.5(20x-50y+36)-.25(-100x+40y-12)
10x-25y+18+25x-10y+3
35x-25y+18-10y+3
35x-35y+18+3
35x-35y+21
Answer:
90 inches cubed
Step-by-step explanation:
The formula for the volume of a pyramid is (lwh)/3, with l=length, w=width, and h=height.
V = (lwh)/3
= (5*3*18)/3
= 5*18 = <u>90 inches cubed</u>
Answer is A, basically using the Pythagorean theorem but in a slightly different way, should still get you the same answer.
The common ratio in the geometric sequences 2
<span />
<span>The radius of a circle is 7 inches. What is the area?
Solution:<span>
<span>A= 3.14 * (7 in) · (7 in)</span></span><span> <span>
A= 3.14 * (49 in^2)
</span></span><span>A = </span></span><span>153.94</span><span> in^2</span>
