2 years ago

Why do we use cubic units and not square units to find the the volume of solid figures ?

1 answer:

5 0

It has to do with the number of dimensions you have in the figure. For example, in a square you have 2 dimensions, length and width. Since you have only two you use units^2. In a cube, you have 3 dimensions, length, width and height, which is where you get the units^3.

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The average of 3,15, and my number is 40. What is my number?

mylen [45]

Answer:

Your number is 102.

120/3=40 (3 numbers so divide by 3)

3+15=18

120-18=102

8 0

2 years ago

Factor the greatest common binomial factor from each polynomial

sladkih [1.3K]

Answer:
(5x-1)(6x^2+1)

Solution:
6x^2(5x-1)+5x-1
=30x^3-6x^2+5x-1
=(30x^3-6x^2) + (5x-1)
=6x^2(5x-1)+(5x-1)
=(5x-1)(6x^2+1)

HOPE THIS HELPS!

4 0

1 year ago

If a storm window has an area of 448 square inches, what are the dimensions if the window is 12 inches higher than it is wide (w

pantera1 [17]

Let width = w then we have the equation:-

w(w + 12) = 448

w^2 + 12w - 448 = 0

(w - 16)(w + 28) = 0

w = 16

Answer: the dimensions of the window are width 16 by height 28 inches

4 0

2 years ago

Which expression can be used to find the volume<br> of the rectangular prism in cubic centimeters?

Marysya12 [62]

20,825 because I think you just multiply 245 and 85 and that should be the answer

6 0

3 years ago

What is (x - 4y) (-3x - 2y) = ?

Artemon [7]

The answer is -3x^2+10xy+8y^2

3 0

3 years ago