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Aneli [31]
3 years ago
11

A square pyramid has a height of 12 feet. Each side to of base is 7 feet long. use the following formula to calculate the pyrami

ds voluke: V= 1/3 (s2 x h).... What is the S in the variable
Mathematics
1 answer:
MissTica3 years ago
4 0
Let's find the area of the base first:
7×7=49
The S stands for the sides of the base. Since you are multiplying them by each other, you are basically squaring them.

Let's now multiply the area of the base by the height.
49×12=588

Now, let's multiply by 1/3.
588×1/3 or 588÷3
196

So, the volume is 196 ft³.
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A right circular cylinder has a volume of 500 cu in. If the base has a radius of 4 in., what's the altitude of the cylinder? Rou
GarryVolchara [31]
<span>Cylinder Volume   =   </span><span>π <span>• r² • height
height = </span></span><span>Cylinder Volume / (PI * radius^2)
</span><span>height = 500 cubic inches / 3.14159 * 16
</span><span><span><span>height = 9.9471839432 </span> </span> </span>
<span>height = 9.95 (rounded)

</span>


4 0
3 years ago
The ratio of girls to boys in a class is 3:2. There are 25 students in this class. How many are girls and how many are boys?
IrinaK [193]
10 boys and 15 girls
4 0
3 years ago
PLEASE HURRY! ^^
GarryVolchara [31]
Answer: 3 and -3

Your welcome
6 0
3 years ago
Read 2 more answers
Please answer !!!!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!!
KIM [24]

Answer:

m∠B = 69°

General Formulas and Concepts:

  • Order of Operations: BPEMDAS
  • Equality Properties
  • Complementary Angles add up to 90°

Step-by-step explanation:

<u>Step 1: Define</u>

m∠A = (x + 9)°

m∠B = (7x - 15)°

<u>Step 2: Set up equation</u>

m∠A + m∠B = 90°

(x + 9)° + (7x - 15)° = 90°

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Combine like terms:                    8x - 6 = 90
  2. Add 6 to both sides:                    8x = 96
  3. Divide both sides by 8:                x = 12

<u>Step 4: Find m∠B</u>

  1. Define:                    m∠B = (7x - 15)°
  2. Substitute:              m∠B = (7(12) - 15)°
  3. Multiply:                  m∠B = (84 - 15)°
  4. Subtract:                 m∠B = 69°
5 0
3 years ago
1) You buy 4 shirts that cost 19.76. How much does all 4 shirts cost before tax
antiseptic1488 [7]
Easy, 4 multiplied by 19.76 is 79.04
Have a FANTASTIC rest of your day
7 0
3 years ago
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