What is the density of the oak board? Show your work.

What is the density of the oak board? Show your work.

Answers

Answer 1

Answer:

it is 5.5 inches wide, 1.5 inches thick and 3 feet long

Answer 2

Answer: Im not really sure if this is correct but it's what I put so I hope it is. If it's incorrect please let me know.

Step-by-step explanation:

We first need to find its mass and volume.

Mass: 8.05

Volume: Turn 3 feet into inches: 36

36in × 1.5in × 5.5in =297

Density : 8.05lb ÷ 297 cubic inches = 0.027 cubic inches


Related Questions

What is the 5th term of the linear sequence? 1,7,13,19,25,...

Answers

Answer : 31

Explanation : Every numbers have a gap of 6 as you can see:

1 + 6 = 7

7 + 6 = 13

13 + 6 = 19

19 + 6 = 25

So,

25 + 6 = 31

Hope This Helps You!

What is the final cost of a $40 item after a 8% tax is applied

Answers

$43.2. to do this, you first find 8% of 40 by doing 40 times 0.08. this is equal to 3.2. next, since it's 8% tax, you add 3.2 to 40. this is how i got $43.2



314. Find the area under the graph of f(t) = t/(1+t^2) where t is
between t= 0 and t = x. where a > 0 and a does not equal 1 is
fixed, and evaluate the limit as x → .
Infinity

Answers

Answer:

Check the attached image for the sake of my sanity typing integrals in these.

Notes on the red marks.

1. From the first to the second passage I multiplied top and bottom by 2. The bottom one stood outside the integral by linearity, the top got inside to get the derivative of the denominator.

2. Quick y substitution, it's a dy/y which should get integrated as the logarythm of the absolute value. This is a situation where you can skip it since you know that you are dealing with positive values (1 is positive, and 1 plus something squared is even greater than 1 which was positive already).

The area as x diverges also diverges

Is this correct way to solve the problem?
5(2x-2)=30
10x-1030
10x=30+10
10x=40
(-10x)=(40)
x=-4
help me plz

Answers

Answer:

10x=40

x=40/10

x=4

4 is the answers, not -4

Step-by-step explanation:

pls mark as brainliest


WILL GIVE YOU BRILLIANT
State whether the graph of the linear relationship is a solid line or a set of unconnected points. Complete the explanation of your reasoning. The relationship between the number of $5 lunches you buy with a $145 school lunch card and the money remaining on the card because you select ) The relationship is a select ) buy a (select

Answers

Answer:

The relationship will be a solid line.

Step-by-step explanation:

The relationship between the number of $4 lunches you buy with a $100 school lunch card and the money remaining on the card.

The relationship will be a solid line as it is a linear and common slope. Each time you buy lunch, the amount in the card will decrease by $4.

Let the number of lunches you buy be = x

Let the amount remaining in the card be = y

So, equation forms:

When you buy 1 lunch, or x = 1

When x = 2

When x = 3

We can see that the decrease is gradual and same.

You can also see the graph attached that a straight line is formed.

plz help me plz need your help plz help

Answers

Step-by-step explanation:

a+b^2 =a^2+b^2+2ab

-2ab and+2ab cut

i need help ! :) i will give brainliest if u dont troll and actually help

Answers

Answer:

50

Step-by-step explanation:

150 + 50 is $200.

350 - 200 is $150.

So that leaves 150 dollars left.

150/3 is 50 people.

Answer:

50 guest is the answer.

Step-by-step explanation:

...so:

$350-$150 for the DJ

$200-$50 for the cake.

and, $3 per party guest for food.

That would be:

$150/$3 = 50 guest.

Please help when you're able to!

Answers

the answer for this math problem is x=-9

what is the sum of the 5th cube number an the 2nd cube number

Answers

Answer:

i think it is :

5×5×5=125

2×2×2=8

To find the equation of a regression line, ý = ax + b, you need these formulas:
8=13
--
b= y - az
S
A regression line has a slope of 2.334. If the mean of the x-coordinates of the
data points is 6.607, and the mean of the y-coordinates is 10.738, what is the
y-value of the y-intercept of the line to three decimal places?
A. -18.455
B. -4.683
C. 4.683
D. 18.455

Answers

Answer:-4.683

Step-by-step explanation:

Took the test

Find the error(s) and solve the problem correctly. Be sure to explain and show your work. Where did the "wrong answer" come from? sin 52° Answer: sin 52 = .9866

Answers

The error of the evaluation comes from the fact that Sin 52° = 0.7880.

According to the question;

we are required to determine what's wrong with the evaluation..

By evaluation;

Sin 52° when evaluated by means of a scientific calculator or tables gives; 0.7880.

The error can be determined by evaluating; the inverse sine of 0.9866.

Sin-¹ .9866 = 80.6.

Read more;

https://brainly.in/question/14817452

You buy a $266,000 home with a down payment of 21%. Find the amount of the down payment and the mortgage amount.
down payment
$
mortgage
$

Answers

Answer:

down is #0.21 while mortage is

Latonya swims 50 meters in 1/2 minute, what is the slope ?

Answers

Answer:

This slope means for every 1 minute Latonya swims 100 meters.

Step-by-step explanation:

represent each solution on a number line 3​

Answers

I don't know how to represent it on a nomberline

I

3. the smallest number by which 168 must be multipled to get the perfect square number. ICA) 3 1(B)2 (c) 4 (o)5​

Answers

Answer:

42

Step-by-step explanation:

168 factors into

2•2•2•3•7

two of the 2's make a perfect square

(2•2)•2•3•7

   2²•2•3•7

as none of the product of the remaining factors makes a perfect square

2•3 = 6,  2•7 = 14,  3•7 = 21

we need to multiply the remaining factors together to find another perfect square

   2²•(2•3•7)²

2•3•7 = 42

42(168) = 7056 = 84²

Please HELP ME!!!

[tex]x=1+i[/tex] is a solution to which of the following equations?

a: [tex]x^{2}+1=0[/tex]
b:[tex]x^{2} -2x+2=0[/tex]
c: [tex]x^{2} -2x+1=0[/tex]
d:[tex]x^{2} -1=0[/tex]

If you could please share you're thought process and work with me as well, so I can better understand how you found the answer. Thanks a bunch!

Answers

Answer:

b. x² - 2x + 2 = 0

Step-by-step explanation:

Solve each to confirm answer

a.

x² + 1 = 0x² = - 1x = √ -1x = iFALSE

b.

x² - 2x + 2 = 0(x - 1)² + 1 = 0(x - 1)² = - 1x - 1 = √-1x - 1 = ix = 1 + iTRUE

c.

x² - 2x + 1 = 0(x - 1)² = 0x - 1 = 0x = 1FALSE

d.

x² - 1 = 0x² = 1x = √1x = ± 1FALSE

Answer:

Option B

Step-by-step explanation:

[tex]\\ \sf\longmapsto x^2-2x+2=0[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{-(-2)\pm\sqrt{(-2)^2-4(1)(2)}}{2(1)}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{2\pm\sqrt{4-8}}{2}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{2\pm\sqrt{-4}}{2}[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{2\pm 2i}{2}[/tex]

[tex]\\ \sf\longmapsto x=1\pm i[/tex]

Verified

What is the distance between the two points (4,7) and (4, -2)?
a. 5
12.04
b. 9
d. 12.53
C.

Answers

The answer is nine which i think is supposed to be c

Answer:

9 units

Step-by-step explanation:

Given two points:

(4, 7) and (4, - 2)

The distance between them is the difference of y- coordinates since x- coordinates are same:

7 - (- 2) = 7 + 2 = 9

Help me with questions please​

Answers

Answer:

44

Step-by-step explanation:

because you just 22 x 22 and you get 44

Answer:

1520.53mm^2

Step-by-step explanation:

A=πr2

Radius=22mm

A=π·22^2

=1520.53mm^2

Hope this helps :)

At a pumpkin stand, Fei bought 3 pumpkins: one large, one medium, and one small. The large pumpkin cost twice as much as the medium one, and the medium pumpkin cost three times as much as the small one. Fei spent $20 in total. How much did the large pumpkin cost?

Answers

Answer:

Step-by-step explanation:

lets put the small pumpkin as x that means medium is 3x and large is 6x

so we have a equation

x+6x+3x=20

combine them

10x=20

divide by 10

x=$2

Answer:

2

Step-by-step explanation:

you really should stop the noetic tests

Does anyone know this?

Answers

Answer:

i think 36???

Step-by-step explanation:

3 x 2 is 6 and 6 x 6 is 36

Im going to be honest, I don't know what I'm doing

Check the picture below.

Solve: m = 5 – (-10).

Answers

Answer:

m=15

Step-by-step explanation:

What is the algebraic expression for the following word phrase: the product of 7 and the difference of x and y?

Answers

Answer:

7(x-y)

Step-by-step explanation:

difference of x and y=x-y

product of 7=7 times the expression

so,

Answer is 7(x-y)

A patient has an illness that typically lasts about 24 hours. The temperature, T, in degrees Fahrenheit, of the patient t hours after the illness begins, is given by: T(t) = -0.013t^2 + 0.3172t +98.6. When does the patient reach its maximum value? what is the patient's maximum temp?

Answers

Answer:

no entiendo, perdóname, suerte

Solve for b.

b+23=114

Enter your answer as a fraction in simplest form in the box.

b =

Answers

b = 91

b + 23 = 114
- 23 - 23
b = 91

Not quite sure how this would appear as a fraction.

An equation is a collection of variables and constants. The value of b for the given equation b + 23 = 114 will be 91.

What is the equation?

There are many different ways to define an equation.

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

More than one variable may be present inside a linear equation.

As per the given equation,

b + 23 = 114

Add -23 both sides

b + 23 - 23 = 114 - 23

b + 0 = 91

b = 91

Hence "An equation is a collection of variables and constants. The value of b for the given equation b + 23 = 114 will be 91".

For more about the equation,

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Suppose that ​$50,000 is invested at 9​% interest. Find the amount of money in the account after 8 years if the interest is compounded annually.

Answers

Answer:

50,000(1+0.09)^8

50000(1.99256)

A=99,628.13

Which of the following is a solution to the given equation? y = -3x - 7

Answers

Answer:y = 3(-2) - 7

Step-by-step explanation:

A dog park is divided into sections for large and small dogs. The ratio of the perimeter of the small dog section to the perimeter of the entire dog park is 7 : 12. Find the area of each section.

Answers

Answer:

58

Step-by-step explanation:

This diagram models 3 friends who are sharing 2 turkey sandwiches equally.

How much does each friend get?


1/3 ​sandwich

2/3​ sandwich

11/3​ sandwiches

11/2 ​sandwiches

Answers

Answer:

2/3 ​sandwich.

Step-by-step explanation:

No Explanation

Robert baked 6 pies to donate to a charity dinner before he ran out of sugar. With each additional cup of sugar he buys, he can bake 1 more pie.

Write an equation that shows how the total number of pies Robert can bake, y, depends on the number of cups of sugar he buys, x.

Y=

Answers

Answer:

y=4x+6

Step-by-step explanation:

slope intercept form y=mx+b

The total number of pies Robert can bake, y, depends on the number of cups of sugar he buys, x, according to the following equation:

y = 6 + x

What is the equation?

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

According to the following equation, the total number of pies Robert may bake, y, is determined by the number of cups of sugar he purchases, x:

y = 6 + x

This equation can be read as: "The number of pies Robert can bake, y, is equal to the number of pies he baked before he ran out of sugar, which is 6, plus the number of additional cups of sugar he buys, x."

For example, if Robert buys 2 additional cups of sugar, he can bake a total of 6 + 2 = 8 pies.

If he buys 3 additional cups of sugar, he can bake a total of 6 + 3 = 9 pies, and so on.

Learn more about the equations here:

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Solve for r.
17r–13r=20
r=

Answers

Answer:

Step-by-step explanation:

Solve for r.

17r–13r=20

4r = 20

r = 20 : 4

r = 5

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