eight different flavors are analyzed in a blind ice cream taste test. a participant is given four different ice cream samples and asked to sort them based on preference. in how many different ways can they be sorted?

Answers

Answer 1

There are 24 different ways that the participant can sort the four ice cream samples.

Since the participant is given 4 different ice cream samples, there are 4 ways in which they can place their first preference. Once they have chosen their favorite ice cream sample, there are 3 remaining options for their second preference. Similarly, there are 2 options for their third preference, and only one option for their least favorite ice cream sample. Here we have to use the principle of counting

Therefore, the number of ways the participant can sort the ice cream samples based on preference is

4 x 3 x 2 x 1 = 24

Learn more about principle of counting here

brainly.com/question/29594564

#SPJ4


Related Questions

Which equation can be used to find x, the measure of angle M in AAMP?

A = 180 +95 + 54
B x = 180 - 95 + 54
C x = 180- 149
D x = (95 +54) - 180

Answers

the correct equation to find x, the measure of angle M in AAMP is: [tex]x = 149[/tex]. Thus, option C is correct.

What is the equation for measure of angle?

To find the value of x, we need to know the angles of triangle AMP.

Assuming that AAMP is a quadrilateral, we know that the sum of its angles is   [tex]360[/tex] degrees.

Thus, we can write:

Angle AMP + Angle M + Angle A [tex]= 360[/tex]

We know that Angle AMP is  [tex]180 - 95 - 54 = 31[/tex]  degrees (since the sum of the angles in triangle AMB is 180 degrees, and we are given that Angle BAM = 95 degrees and Angle ABM = 54 degrees).

Substituting this value and the given value of Angle A (which is 180 degrees) into the equation above, we can solve for Angle M:

[tex]31 + Angle M + 180 = 360[/tex]

Angle   [tex]M = 149[/tex] degrees

Therefore, the correct equation to find x, the measure of angle M in AAMP is: [tex]x = 149[/tex]

Learn more about angle here:

https://brainly.com/question/31186705

#SPJ9

Follow the instructions in the image Pt. 1

Answers

1. The perimeter of triangle JKL is the sum of the three sides of the triangle, which is JK + KL + LJ is 37.

2. The measure of arc ZWX is 136.

3. Length of AB is 48

4. The value of x is 30π.

What is Pythagorean Theorem?

It states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.

1. The perimeter of triangle JKL is the sum of the three sides of the triangle, which is JK + KL + LJ.

As JA = 14, AL = 17, and

CK = 6,

then the perimeter of JKL is 14 + 17 + 6 = 37.

2. To find the measure of arc ZWX, we can use the formula for the circumference of a circle, which is 2πr, where r is the radius.

As WZ and AR are diameters of the circle, they each have a length of 2r. The measure of arc ZWX is the same as the measure of angle WCX plus the measure of angle YCZ, which is

42 + 94 = 136.

Therefore, the measure of arc ZWX is 136.

3. To find the length of AB, we can use the Pythagorean Theorem.

OC is given as 12. and Radius is given as 30.

So, length of OC=30-12

=18

As OB is also the radius of the circle, its length is 30.

By using the Pythagorean Theorem,

OB²=BC²+OC²

BC²=OB²-OC²

BC=√30²-12²

BC=24

As we know a perpendicular divides a line into 2 equal parts, thus, AB=BC+AC

AB=48

4. To find the value of x, we can use the formula for the measure of an arc, which is

2πr × (angle/360).

As the measure of arc AB is 60 degrees and the measure of arc CD is 20 degrees, then x can be calculated as

2πr × (60/360) + 2πr × (20/360) = 30π.

Therefore, the value of x is 30π.

For more questions related to arc

https://brainly.com/question/30582409

#SPJ1

in an arithmetic sequence, the sum of the second and eighth terms is $5$, and the product of the fourth and fifth terms is also $5$. what is the sum of the first $20$ terms of this sequence?

Answers

The sum of the first $20$ terms of the arithmetic sequence is $420$.

In an arithmetic sequence, the sum of the second and eighth terms is $5$, and the product of the fourth and fifth terms is also $5$. The sum of the first $20$ terms of this sequence can be calculated using the following formula:

Sum of the first $20$ terms = $20$/2($a_1 + a_{20})$, where $a_1$ is the first term of the sequence and $a_{20}$ is the twentieth term of the sequence.

Therefore, we need to find the first term of the sequence and the twentieth term of the sequence. To find the first term, we use the following equation:

$5 = a_2 + a_8$, where $a_2$ is the second term and $a_8$ is the eighth term.

To find the twentieth term, we use the following equation:

$5 = a_4 \times a_5$, where $a_4$ is the fourth term and $a_5$ is the fifth term.

Solving both equations, we get $a_2 = 1$ and $a_{20} = 40$. Then, we can calculate the sum of the first $20$ terms of the sequence:

Sum of the first $20$ terms = $20$/2($1 + 40$) = $420$.

Therefore, the sum of the first $20$ terms of the arithmetic sequence is $420$.

To Know more about arithmetic sequence, refer here:

brainly.com/question/12108818#

#SPJ11

in a standard deck of 52 cards (4 suits, 13 numbers per suit), how many hands can we be dealt 5 cards that do not share a number

Answers

Answer: 1287

Step-by-step explanation:

Find the value of each variable with step by step explanation

Answers

The length of the missing side of the geometric system of right triangles is equal to 2√29 units.

How to determine the missing length of the right triangle

In this problem we find a geometric system formed by two right triangles, in which we must determine the length of a missing side. The length can be found by means of Pythagorean theorem, whose formula is now introduced:

r² = x² + y²

Where:

x, y - Legsr - Hypotenuse

r = 30, x = 28

30² = 28² + y²

y = √(30² - 28²)

y = 2√29

To learn more on right triangles: https://brainly.com/question/29301480

#SPJ1

PLEASE HELPP I NEED HELP WITH THIS MATHS PLEASE

Answers

1. It will take about 8 years for the tithe to double in value if invested at 7.75% APR compounded monthly.

2. An annual interest rate of 4.84% compounded semi-annually would be required for $22,500 to accumulate to $50,000 in 14 years.

3 A principal of $26,512.18 invested in a GIC at 4% APR compounded quarterly would return $40,000 in 9 years.

How to solve the questions

a. Using the TVM Solver function in Excel, we can input the following information:

Present value (PV): -$35,000 (since it's an outgoing cash flow)

Future value (FV): $70,000 (since we want the tithe to double in value)

Interest rate per period (Rate): 7.75%/12 (since the APR is compounded monthly)

Number of periods (Nper): unknown (what we're solving for)

Payment (Pmt): 0 (since there are no recurring payments)

Solving for Nper, we get 96.16 months, or approximately 8 years.

Therefore, it will take about 8 years for the tithe to double in value if invested at 7.75% APR compounded monthly.

b. Present value (PV): -$22,500 (since it's an outgoing cash flow)

Future value (FV): $50,000

Interest rate per period (Rate): unknown (what we're solving for)

Number of periods (Nper): 14*2=28 (since the interest is compounded semi-annually, we need to double the number of years)

Payment (Pmt): 0

Solving for Rate, we get 4.84% APR.

Therefore, an annual interest rate of 4.84% compounded semi-annually would be required for $22,500 to accumulate to $50,000 in 14 years.

c. Using the TVM Solver function in Excel, we can input the following information:

Present value (PV): unknown (what we're solving for)

Future value (FV): $40,000

Interest rate per period (Rate): 4%/4 (since the APR is compounded quarterly)

Number of periods (Nper): 9*4=36 (since the interest is compounded quarterly, we need to multiply the number of years by 4)

Payment (Pmt): 0

Solving for PV, we get $26,512.18.

Therefore, a principal of $26,512.18 invested in a GIC at 4% APR compounded quarterly would return $40,000 in 9 years.

Learn more about APR on

https://brainly.com/question/2772156

#SPJ1

Can you please answer this question

Answers

Answer:

9/14

Step-by-step explanation:

add them

Clark is 8 years older than John. In 5 years, Clark will be twice as old as John. How old are they now?

Answers

Step-by-step explanation:

Let the John age be x

Clark is 8 years older than John will be written as :

x+8 = x

In 5 years, Clark will be twice as old as John will be written as :

(x+8)+5 = 2(x+8)

Simplify it

x+13 = 2x+16

x-2x = 16-13

-x = 3

x = -3

Their current age :

Clarke:

= x+8

= -3+8 ( x = -3)

= 5

John:

=2(x+8)

=2(-3+8)

=-6+16

=10

Present age John and Clark are 3 and 11 years respectively .

Let the John present age be J and Clark present age be C

Clark is 8 years older than John will be written as :

C= J + 8

In 5 years, Clark will be twice as old as John will be written as :

C+ 5 = 2(J + 5)

Substitute,

C = J + 8

Simplify it

J + 8 + 5 = 2J + 10

J = 3

C = J + 8

C =11

Thus their present ages are :

Clark = 11 years

John = 3 years

Know more about equation,

https://brainly.com/question/30303161

#SPJ2

an online buying club offers a membership for $245, for which you will receive a discount of 10 percent on all brand-name items you purchase. how much would you have to buy to cover the cost of the membership?

Answers

You would have $2,450 to buy to cover the cost of the membership.

An online buying club offers a membership for $245, for which you will receive a discount of 10 percent on all brand-name items you purchase.

We have to determine how much you would have to buy to cover the cost of the membership.

You have to buy to cover the cost of the membership = An online buying club offers a membership/Receive a discount

You have to buy to cover the cost of the membership = $245/10%

You have to buy to cover the cost of the membership = $245/0.10

You have to buy to cover the cost of the membership = $2,450

To learn more about cost of the membership link is here

brainly.com/question/15014708

#SPJ4

Helppp!!! i’m having a really hard time figuring this out:

Answers

Therefore , the solution of the given problem of unitary method comes out to be  the composite shape's overall size is 30  square units.

What is a unitary method?

Utilizing previously well-known variables, this uniform convenience, or all crucial elements from a prior flexible study that followed a particular methodology event can all be used to achieve the goal. It will be possible to contact the entity again if the anticipated assertion outcome actually happens; if it doesn't, both important systems will surely miss the statement.

Here,

We must divide the composite shape into smaller shapes and sum up their areas in order to determine the area of the composite shape.

We can see that the composite form is made up of a triangle with a base of four and a height of three, and a rectangle with dimensions of six by four.

=> length times breadth equals six by four, or 24 square units, for a rectangle.

Triangle's area is equal to

=>  (1/2) x base times height, or (1/2) x 4 times 3, or 6 square units.

As a result, the composite shape's overall size is:

=> 24 + 6 = 30  square units.

To know more about unitary method  visit:

https://brainly.com/question/28276953

#SPJ1

Find the area and the circumference of a circle with radius 9km.
Write your answers in terms of π, and be sure to include the correct units in your answers.

Answers

Answer:

Area: 81*pi

Circumference: 18*pi

Step-by-step explanation:

Area: 9^2= 81

So it would be 81*pi

Circumference: 9*2= 18

So it would be 18*pi

If you want the full area then it's 81*pi= 254.34

If you want the full circumference it's 18*pi= 56.55

A quadrilateral is on a coordinate plane at points A(-3, 1) B(1, 4) C(5, 1) D(1, -2).

Which sides of the quadrilateral are parallel? Select all that apply!
Responses


A. AB and BC

B. BC and CD

C. AB and CD

D. There are no parallel sides

E. BC and AD

Answers

The correct option is E. BC and AD, are the two parallel sides of the quadrilateral ABCD.

Explain about the quadrilateral?Quadrilaterals are geometric figures with four sides and four vertices. Frequently, two of something like the sides are parallel, meaning implies that no matter how far they stretch, their distance from one another remains constant.

quadrilateral on  coordinate plane had points:

A(-3, 1) B(1, 4) C(5, 1) D(1, -2).

Find distance between points using distance formulae:

d = √(x2 - x1)²  + (y2 - y1)²

AB = √(1 + 3)²  + (4 - 1)²

AB = √(4)²  + (-3)²

AB = √16 + 9

AB = √25

AB = 5

CD = √(5 - 1)²  + (1 + 2)²

CD = √(4)²  + (3)²

CD = √16 + 9

CD = √25

CD = 5

As, sides Ab and CD are both equal of 5 units each, , then the sides in between them BC and AD will be parallel.

Know more about the quadrilateral

https://brainly.com/question/23935806

#SPJ1

Which equation of f(x) reveals the minimum or maximum value of f(x) without changing the form of the equation?

Answers

In option C, we can see that the equation is in vertex form.

What is parabola ?

A parabola is a symmetrical U-shaped curve formed by the graph of a quadratic function. It is a type of conic section that results from the intersection of a cone and a plane that is parallel to one of the sides of the cone. A parabola can also be defined as the set of points in a plane that are equidistant from a fixed point called the focus and a fixed line called the directrix. Parabolas have many applications in physics, engineering, and mathematics, including projectile motion, antenna design, and optimization problems.

According to the question:
The equation that reveals the minimum or maximum value of f(x) without changing the form of the equation is C f(x)=(x-2)²-16.

This equation is in vertex form, which is f(x) = a(x-h)² + k. In this form, the vertex of the parabola is at the point (h, k), and the value of "a" determines whether the parabola opens upwards or downwards.

In option C, we can see that the equation is in vertex form, where the vertex is (2, -16). Therefore, the minimum value of f(x) is -16, which occurs at x=2.

To know more about parabola visit:
https://brainly.com/question/21685473
#SPJ1

Only 2 fairly short word problems about solving systems.

Answers

The ages of Paige, Quiana, and Ryan, given their relationship to each other's ages are:

Paige - 12 years Quiana - 24 years Ryan - 21 years

The amount of each type of coin that Uncle Ralph has are:

Quarter - 5 Dime - 4 Nickel - 9

How to find the ages and coin types ?

The equations we have are:

Paige is half as old as Quiana: P = 0.5 x Q

Quiana is three years younger than Ryan: Q = R - 3

Ryan is nine years older than Paige: R = P + 9

Now we can substitute for R from the second equation into the new equation: Q - 3 = (0.5 x Q) + 9

Now, let's solve for Q: 0.5 x Q = Q - 12 => 0.5 x Q = 12

Now we can find Q: Q = 24

Now that we have Quiana's age, we can find Paige's and Ryan's ages:

P = 0.5 x Q = 0.5 x 24 = 12

R = P + 9 = 12 + 9 = 21

Uncle Ralph has 18 coins in total: Q + D + N = 18

The number of quarters and dimes combined is the same as the number of nickels: Q + D = N

He has $2.10 worth of coins: 0.25 x Q + 0.10 x D + 0.05 x N = 2.10

Now we have two equations:

Q + D = 9

0.25 x Q + 0.10 x D + 0.05 x (Q + D) = 2.10

We can solve the system of linear equations. Multiply the first equation by 0.15 and subtract it from the second equation:

0.30 x Q + 0.15 x D - (0.15 x Q + 0.15 x D) = 2.10 - 1.35 => 0.15 x Q = 0.75

Substitute the value of Q back into the first equation to find the number of dimes: 5 + D = 9 => D = 4

Now we can find the number of nickels using the second equation: N = Q + D = 5 + 4 = 9

Find out more on age at https://brainly.com/question/26423521

#SPJ1

There are 20 Skittles in a bag. Five of them are orange and three of them are blue. Find the probability that you would choose an orange Skittle, replace it, and then choose a blue Skittle.

Answers

The probability of choosing an orange Skittle on the first draw is 5/20, which simplifies to 1/4. Since the Skittle is replaced, the probability of choosing another orange Skittle on the second draw is also 1/4.

The probability of choosing a blue Skittle on the third draw is 3/20.

To find the probability of all three events occurring, we can multiply the probabilities together:

(1/4) x (1/4) x (3/20) = 3/160

Therefore, the probability of choosing an orange Skittle, replacing it, and then choosing a blue Skittle is 3/160.

Answer:

There is a 1 in 4 chance that you would choose an orange Skittle, replace it, and then choose a blue Skittle.

Eric owns and operates the Hot Ham food truck. The expression 3. 25b+2h3. 25b+2h3, point, 25, b, plus, 2, h gives the cost of bbb burgers and hhh hot dogs. What is the cost of 444 burgers and 666 hot dogs?
\$

Answers

As per the expression, the cost of 444 burgers and 666 hot dogs from Eric's Hot Ham food truck would be $2773.

In this case, Eric's expression is 3.25b + 2h, where b represents the number of burgers and h represents the number of hot dogs. The expression tells us how much it costs to buy a certain number of burgers and hot dogs from Eric's truck.

To find the cost of 444 burgers and 666 hot dogs, we can substitute b = 444 and h = 666 into the expression. So the cost would be:

3.25(444) + 2(666)

Now we just need to simplify this expression by using the order of operations.

First, we multiply 3.25 by 444 to get 1441. Then, we multiply 2 by 666 to get 1332.

Next, we add these two values together:

1441 + 1332 = 2773

To know more about expression here

https://brainly.com/question/14083225

#SPJ4

math is too hard for me help

Answers

Answer:

Step-by-step explanation:

1/5(-25) + 16/8

-5 + 2 = -3

Option A

a rectangle has an area that is decreasing at a rate of 541 square inches per hour with the width being held constant. determine the rate of change of the length if the width is 3 square inches.

Answers

The length is therefore shrinking at a rate of -541/3, or around -180.33 square inches per hour.

what is rectangle ?

A rectangle is a flat, four-sided shape with parallel, equal-length opposite sides on each side. There are four right angles (90-degree angles). The distance between the two longer sides, also known as the longer sides or the longer edges, is the rectangle's length. The distance between the two shorter sides, also known as the shorter sides or the shorter edges, determines the rectangle's width. The perimeter of a rectangle is equal to the total of the lengths of all of its sides, and the area of a rectangle is equal to the product of its length and width.

given

Let A represent the rectangle's area, l its length, and w its width. So, we are aware of:

A = lw

By applying the derivative to time t, we obtain:

(d/dt) = dA/dt (lw)

l(dw/dt) + w(dl/dt) = dA/dt

dw/dt = 0 since the width is kept constant, which results in:

w(dl/dt) = dA/dt

We are informed that w = 3 in and that dA/dt = –541 in2/hour. By replacing these values, we obtain:

-541 = 3(dl/dt)

By calculating dl/dt, we obtain:

dl/dt = -541/3

The length is therefore shrinking at a rate of -541/3, or around -180.33 square inches per hour.

To know more about rectangle visit:

https://brainly.com/question/29123947

#SPJ1

If f(x) = 3x + 2, find f(2).
a. 2
b. 5
c. 8
d. 9
e. 12

Answers

3(2)=6, 6+2=8 the answer is C

Answer:

C

Step-by-step explanation:

Since the number in the parenthesis is treated as "x", for f(2), replace "x" with 2. So the equation will be f(2) = 3(2) + 2. Then multiply. f(2) = 6 + 2. Lastly add them up. f(2) = 8. The answer is 8.

PLEASE HELP - WORTH 60 POINTS! Ella's school choir is singing two songs for their school's Artist Showcase. The choir director put these song choices on the board.

Answers

Answer:9%

Step-by-step explanation:

Sorry for taking so long i didn't understand it at first

2) A man spent 58% of his income and the amount of money left was GH210.00. Find his income.​

Answers

Answer: Let x be the man's income.

He spent 58% of his income, which is 0.58x.

The amount of money left is the remaining 42% of his income, which is 0.42x.

According to the problem, 0.42x = GH210.00.

Solving for x, we get:

x = GH210.00 / 0.42

x = GH500.00

Therefore, the man's income is GH500.00.

Step-by-step explanation:

if i have four boxes arranged in a $2 \times 2$ grid, in how many distinct ways can i place the digits $1$, $2$, and $3$ in the boxes, using each digit exactly once, such that each box contains at most one digit? (i only have one of each digit, so one box will remain blank.)

Answers

If i have four boxes arranged in a [tex]2 \times 2[/tex] grid, in 6 distinct ways can i place the digits 1, 2, and 3 in the boxes, using each digit exactly once, such that each box contains at most one digit

If a student has four boxes arranged in a 2 × 2 grid, the distinct ways to place the digits 1, 2, and 3 in the boxes, using each digit exactly once, such that each box contains at most one digit are six in number.

There are two possibilities for which box is left blank, so let's consider them separately:

Case 1: The top left box is left blank. In this case, the other three boxes must contain the digits 1, 2, and 3. There are three choices for what digit goes in the top right box, and then two choices for what digit goes in the bottom left box, and then one choice for what digit goes in the bottom right box.

This gives a total of 3·2·1 = 6 ways to place the digits in the boxes when the top left box is left blank.

Case 2: A different box is left blank. In this case, one of the digits must be left out. There are three choices for which digit is left out, and then three choices for which box is left blank. Once the digit and the blank box have been chosen, the remaining two digits can be placed in the other two boxes in any order, giving 2 ways.

This gives a total of 3·3·2 = 18 ways to place the digits in the boxes when a different box is left blank.

Therefore, the distinct ways to place the digits 1, 2, and 3 in the boxes, using each digit exactly once, such that each box contains at most one digit are six in number.

For similar question on possibilities

https://brainly.com/question/3313382

#SPJ11

find the measure of the marked arc​

Answers

The answer is 45 degrees because it’s a central angle, meaning the the measure remains the same as the inner angle (I’m not sure what to call it lol), hope this makes sense.

WILL MAKE U BRAINLIST! HELPS PLS AND SHOW ALL STEPS

Answers

Answer:

................

Step-by-step explanation:

.................

which value of n makes the equation true
[tex]-\frac{1}{2}n=-8[/tex]

Answers

Answer:

Step-by-step explanation:

nothing makes it true

A box contains eight cards labeled P,Q ,R ,S ,T ,U ,V , and W. One card will be randomly chosen. What is the probability of choosing a letter from P to R?

Write your answer as a fraction in simplest form.

Answers

Answer:3/7

Step-by-step explanation:

Write the equation of the trend line. Use the points (4, 12) and (12, 8).

Answers

The equation of the trend line is y = (-1/2)x + 14.

What is trend line?

The overall pattern or trend in a collection of data is represented by a trend line, sometimes referred to as a regression line. In statistics, it is frequently used to illustrate the connection between two variables, one of which is the independent variable and the other the dependant variable. Regression analysis, which determines the line that most accurately fits the data points based on their connection, is used to compute the trend line. In order to anticipate or estimate future values of the dependant variable based on the independent variable, the equation of the trend line may then be utilised.

The slope of the line can be found using the formula:

slope = (change in y) / (change in x)

slope = (8 - 12) / (12 - 4)

slope = -4 / 8

slope = -1/2

Using the point slope form:

y - y1 = m(x - x1)

y - 12 = (-1/2)(x - 4)

y = (-1/2)x + 14

Hence, the equation of the trend line is y = (-1/2)x + 14.

Learn more about trend line here:

https://brainly.com/question/22722918

#SPJ1

how would i graph my question when the x and y intercept is (10,140) when the slope is -14

Answers

The given values are inserted in the point-slope form which formed the equation 140 = -14x + 10 and has been graphed.

What is point-slope form?

When you know the slope of the line to be investigated and the given point is also the y-intercept, you can utilize the slope-intercept formula, y = mx + b. (0, b).

The y value of the y-intercept point is denoted by the symbol b in the formula.

The general form of a linear equation is y-y1=m(x-x1).

It draws attention to the line's slope and one of the line's points (that is not the y-intercept).

So, in the given situation:
The point-slope form is: y = mx + b

Then y is y and b is the x value and m is the slope.

Now, insert values as follows:

y = mx + b

140 = -14x + 10

Graph the equation as follows:

(Refer to the graph attached below)


Therefore, the given values are inserted in the point-slope form which formed the equation 140 = -14x + 10 and has been graphed.

Know more about the point-slope form here:

https://brainly.com/question/24907633

#SPJ1

A student was asked to factor

Answers

Answer:

Step-by-step explanation:

1)   [tex]6x^4 \times 6x^4 = 36x^8[/tex]                (needs to be [tex]36x^{16}[/tex] )

2)   [tex](4y^2) \times (4y^2) =16y^4[/tex]    (needs to be [tex]25y^4[/tex] )

1)   Change both [tex]6x^4 \text{ terms to } 6x^8.[/tex]

2)  Change both [tex]4x^2 \text{ terms to } 5y^2.[/tex]

Bonus:

Need to change a minus to a plus,

     [tex]36x^{16}-25y^4=(6x^8+5y^2)(6x^8-5y^2)[/tex]

which of the following fractions are equivalent to 15/21 ? select all that apply. a. 5/7 b. 30/42 c. 21/15 d. 25/31 e. 45/84

Answers

The fractions a. 5/7 b. 30/42 e. 45/84 are equivalent to 15/21.

       When it comes to fractions, equivalent means that both fractions show the same part of a whole. The numerator and denominator of equivalent fractions may be multiplied or divided by the same number or the number multiplied by the numerator and denominator should be the same.

 The following are steps to simplify fractions:

 First, find the greatest common factor (GCF) of both numbers.

And then divide both numbers by the GCF. The result is the simplified fraction.

            The greatest common factor of 15 and 21 is 3. By dividing both 15 and 21 by 3, the simplified fraction will be found.

                   15/21 = 5/7

 By dividing both 30 and 42 by 6, the simplified fraction will be found.

                     30/42 = 5/7

 By dividing both 45 and 84 by 3, the simplified fraction will be found.

       45/84 = (5/12)21/15 and 25/31 are not equivalent to 15/21.

     Therefore, the correct options are a. 5/7 b. 30/42 e. 45/84

Learn more about fractions equivalent at: https://brainly.com/question/17220365

#SPJ11

Other Questions
In a laboratory test of pus, the number of bacteria detected in the infected wound of a person on Wednesday is 2.4 x 10. If the antibiotic decreases the number of bacteria by 60% per day and it is started consuming since Wednesday, find the number of bacteria that will find in the laboratory test of coming Friday? a cappella style refers to singing with instrumental accompaniment. group of answer choices true false Use graphical methods to solve this linear programming problem.Maximize z = 3x + 4ysubject to 2x - 3y 12 x + y 3 3x + 4y 24 x 0 y 0 What is the maximum value of z? Select the correct choice below, and if necessary, fill in the answer box to complete your choice.A. The maximum value is ___ (Simplify answer) B. There is no maximum.At what point(s) does the maximum value of z occur? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A. The maximum value of z occurs only at the point(s) ___(Type an ordered pair. Use a comma to separate answers as needed.)B. The maximum value of z occurs at the points ___ and at all points on the line segment connecting them. (Type an ordered pair. Use a comma to separate answers as needed.)C. There is no maximum value of z. what is the correct equation for photosynthesis showing the reactants on the left of the equal sign and products on the right of the equal sign? assume the pc has the address 0x021c when fetch instruction phase begins. after that first instruction executes, which one describes the second instruction to execute? write a plan for the walk to a mountain include start time and place and the route 12 Un correo electrnico de AliciaLeer Alicia le escribe un correo electrnico a Mario. Escoge el verbo correcto entreparntesis. (Complete Alicia's e-mail to Mario by choosing the correct verb in parentheses.)Hola, Mario:Qu tal? _ 1. (Sabes / Conoces) t que Trini Salgadoacaba de ganar otro partido de ftbol? Ella_2.(sabe / conoce) jugar muy bien. Es campeona. Ella 3.(sabe / conoce) a muchos campeones de deportestambin. Yo 4. (s / conozco) que ella va a ir a lacapital de tu pas. La 5. (sabes / conoces) t? Yono la 6. (s / conozco) todava, pero es mi jugadorafavorita y t y yo(sabemos / conocemos) quela quieroconocer). Mario, yo no 9.(s / conozco) dnde est la camiseta.7.8. (saber /8.(Saben/10.Conocen) Isabel y t dnde est la camiseta?Tu amiga, Alicia Lpez: ardo: Lpez: Muy bien gracias, y usted? Regular. Qu...... usted? ..... seis huevos, una libra de queso, dos botellas de leche y un No......mante- pan. ardo: Algo ms? quilla? Lpez: No, gracias; nada ms. ardo: Mara, qu ...... t? ..chocolate. inflation question use the following consumer data for housing, energy, and food purchased in the year(s) 2017, 2018, and 2019 in macroland. show your work. the base year 2018. price in 2017 price 2018 price 2019 housing $22,000.00 $22,500.00 $28,000.00 energy $20,000.00 $21,000.00 $21,200.00 food $12,000.00 $12,600.00 $13,000.00 a. calculate the cpi (consumer price index) for 2018. please interpret the result. b. calculate the cpi for 2019. please interpret the result. c. what is the inflation rate between 2017 and 2018? d. what is the inflation rate between 2017 and 2019? e. what is the inflation rate between 2018 and 2019? f. calculate the growth rate of the price of housing from 2017 to 2018. the customer value proposition includes determining the target customer. group of answer choices true false a 69-year-old man is admitted to the hospital following a popliteal embolectomy. he asks the nurse why he had to have surgery on his leg. what is the best response by the nurse? according to amdahl's law, what is the speedup gain for an application that is 90% parallel and we run it on a machine with 6 processing cores? in a trendline based on five observations, if the average of y is 100 and the slope of the line is 22 then the intercept is: a particle passes through the point at time , moving with constant velocity . find the position vector of the particle at an arbitrary time . in the investing life, hot plants offer heat rewards, scientists were working with heat production by flowers. what hypothesis were the scientists testing? Which fraction is not written in simplest form?A. 35/84B. 27/40C. 18/65D. 24/83 The specific heat capacity of liquid water is 4.184 J/goCCalculate the energy (in kJ) required to heat 25 g of liquid water from 25oC to 100 oC Ms Kowal invests 6000 in a simple interest account.After 5 years her investment has earned 450 interest.What rate of interest does the account pay? Attitudes toward school. The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures the motivation, attitude toward school, and study habits of students. Scores range from 0 to 200. The mean score for U.S. college students is about 115, and the standard deviation is about 30. A teacher who suspects that older students have better attitudes toward school gives the SSHA to 25 students who are at least 30 years of age. Their mean score isAttitudes toward school. The Survey of StudyHabit= 127.8.(a) Assuming that ? = 30 for the population of older students, carry out a test ofH0: ?= 115H0: ?> 115Report the P-value of your test, and state your conclusion clearly.(b) Your test in part (a) required two important assumptions in addition to the assumption that the value of ? is known. What are they? Which of these assumptions is most important to the validity of your conclusion in part (a)? the home health nurse arrives at a client's home and immediately notes the client is experiencing increased dyspnea. the client has a 7-year history of chronic obstructive pulmonary disease (copd). which assessment finding should the nurse prioritize?