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ale4655 [162]
3 years ago
9

A covered water tank is in the shape of a cylinder the tank has 28 inch diameter and the high is 66 inches to the nearest square

inch what is the surface area of the water tank
Mathematics
1 answer:
posledela3 years ago
6 0
Do you guys do common core becase there would be two type's of a surface area!
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The sides of a rectangle have length x+ 2 and width x -5. Which equation describes the area, A, of the rectangle in terms of x?​
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Answer:

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

Step-by-step explanation:

The area of a rectangle is length times width.

So the area here is (x+2)(x-5).

They are probably not looking for A=(x+2)(x-5) because it requires too little work.

They probably want A in standard form instead of factored form.

Let's use foil:

First x(x)=x^2

Outer: x(-5)=-5x

Inner: 2(x)=2x

Last: 2(-5)=-10

---------------------Adding together:  x^2-3x-10.

The area in factored form is A=(x+2)(x-5).

The area in standard form is A=x^2-3x-10.

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