the surface area of a square pyramid is 189 square inches. The side length of the base is 7 inches. What is the value of x?

Answers

Answer 1

Answer: To know the answer in the problem above, we will use the formula for getting the surface area of a square pyramid where one side of the base is 7 inches and the surface area is 189 sq inches and x is the height of the square pyramid. In equation, A= a^2 + 2a√a^2 / 4 + h^2 . The height would be, 9.39 inches.

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Please help. I don't understand trig and I'm running out of points
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3/8 of the cast in a musical have to sing what fraction of the cast does not have to sing

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so 100% of the cast is 8/8 right? so you would subtract 8/8-3= 5/8

so, 5/8 of the cast does not have to sing

The answer is simply 5/8. 5/8 of the cast does not have to sing.

A rectangle is 70 yards the long, it's area is 3430 yards. what is the width of the field

Answers

3430 divided by 70 would give us 49. So 49 yards is how long the width of the field is.

The width would be 49

Show me the steps to (3x+3)-(4x+8)=

Answers

$\rm (3x+3)-(4x+8)= \n 3x+3-4x-8= \n \n \bold{Answer:-x-5}$

(3x+3)-(4x+8)=

=3x+3-4x-8=

= (3x-4x)+(3-8)=

=-x+(-5)=

=-x-5

How do I find the surface area of a cube? Please help! Thanks

Answers

A= 6x²

6 being the number of faces and x² being the length of one edge squared.

The cross section of a metal ingot is a trapezoid. The cross section has an area of 39 square centimeters. The top base of the cross section is 12 centimeters. The length of the bottom base is 2 centimeters greater than the top base. How tall is the metal ingot?

Answers

metal ingot is 5cm tall

Write two different ratios that are equivalent to 3 : 2.

Answers

Here are 2, they simplify down to 3:2 so they are equivalent
6:4
9:6

Well, if we multiply BOTH by 2, ONE equivalent ratio would be 6:4, and if we multiply BOTH by 3, the SECOND equivalent ratio would be 9:6.
I hope I helped! =D

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