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Andrews [41]
3 years ago
7

Find the volume of the composite solid. Write your answer as a decimal.

Mathematics
2 answers:
uysha [10]3 years ago
8 0
I hope this helped, have a nice day

Bond [772]3 years ago
5 0

Answer:

Step-by-step explanation:

340.4 cubic inches (correct)

Approx. answer is 341.53 cubic inches (used to check work)

Step-by-step explanation:

Find volume of triangular prism

find area of base of triangular pyramid

multiply by 7

divide by 3

add to area of prism

64.4 plus 277.13 equals 341.53

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25 kids took a math test. If 20 kids passed the test, what percent of kids did not pass the test?
nata0808 [166]

Answer: 20%

Step-by-step explanation:

25 = 100%

25/5 = 5

100/5 = 20

That means 80% passed and 20% didnt.

4 0
3 years ago
Read 2 more answers
Evaluate the integral using integration by parts with the indicated choices of u and dv. (Use C for the constant of integration.
trasher [3.6K]

Answer:

\frac{xe^{7x}}{7} + \frac{e^{7x}}{49}

Step-by-step explanation:

Given the integral equation

\int\limits{xe^{7x}} \, dx \\

According to integration by part;

\int\limits {u} \, dv = uv +  \int\limits {v} \, du

u = x, dv = e^7x

du/dx = 1

du = dx

v = \int\limits {e^{7x}} \, dx \\v = e^7x/7

Substitute the given values into the formula;

\int\limits {xe^{7x}} \, dx = x(e^{7x}/7) + \int\limits ({e^{7x}/7}) \, dx\\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{7*7} \\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{49}

3 0
3 years ago
Whats the value of the expression below<br> 36÷(<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%5E%7B5%7D%20%7D%7B8%7D" id="TexFor
JulijaS [17]
The answer is what that guys said





(Also what grade is this?)
4 0
3 years ago
The radius of a circle is 9 kilometers. What is the circle's area?
krek1111 [17]

A=π r²=π×9²≈254.469km²

r radius is 9km

I hope it helped!!!

8 0
3 years ago
WILL MARK BRAINLIST
Aleks [24]

Answer:

The quadratic equation is x^2 + 4x - 32 = 0

Step-by-step explanation:

(x - 4)(x+8) = 0

x^2 + 4x - 32= 0

6 0
3 years ago
Read 2 more answers
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