A cylinder has a base of a radius of 10in and a height of 10in. What is its volume in cubic in, to the nearest tenths place?

Mathematics

1 answer:

pantera1 [17]3 years ago

7 0

Answer:

3141.6 in^3

Step-by-step explanation:

The formula for volume of a right cylinder is v=πr²h. So, when you plug everything in and multiply, you get 3141.6 in^3 as your volume. Hope this helps, and stay safe! ;p

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Find the perimeter of a regular pentagon with sides of (3x + 5).

kotegsom [21]

Answer:

5(3x + 5) or 15x + 25

Step-by-step explanation:

A regular pentagon has 5 sides of equal length. The perimeter is the sum of the lengths of those sides. We can use multiplication to find the sum of 5 of the same value:

P = 5(3x +5)

Perhaps you want it expanded. Using the distributive property, we multiply each term in parentheses by 5:

P = 15x + 25

4 0

4 years ago

Lauren bought 5 pizzas for $17 each. She paid with a $100 bill.

Lelechka [254]

The first blank is 17
2nd blank is 85
3rd blank is 15

wat happened is
C=paid-costofpizzas
paid=100
costofpizzas=number of pizzas times cost per pizza
costofpizzas=5 times 17

so
C=100-5 times 17
C=100-85
C=15
change=$15

6 0

3 years ago

Read 2 more answers

Polygon ABCD has the following vertices: A(-4,2) , B(3,2) , C(3,-5) , and D (-4, -2) Calculate the area of the polygon

Lynna [10]

Check the picture below.

$\bf \textit{area of a trapezoid}\\\\A=\cfrac{h(a+b)}{2}~~\begin{cases}a,b=\stackrel{bases}{parallel}\\\qquad ~sides\\h=height\\\cline{1-1}a=4\\b=7\\h=7\end{cases}\implies A=\cfrac{7(4+7)}{2}\implies A=\cfrac{7(11)}{2}\\\\\\A=\cfrac{77}{2}\implies A=38\frac{1}{2}$