Simplify 8k+2+4k+(-3k)+5
2 answers:
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Answer:
The area of the circle is
Step-by-step explanation:
we know that
The area of a circle subtends a central angle of radians
so
By proportion find the area of the circle
Answer:
<h2>1. V = 100 in³</h2><h2>2. h = 10 in</h2>Step-by-step explanation:
The formula of a volume of a cylinder:
<em>B</em><em> - base area</em>
<em>h</em><em> - height</em>
<em />
1. We have
<em>h = 5in, B = 20 in²</em>.
Substitute:
2. We have
<em>B = 20.7 in², V = 207 in³</em>.
Substitute:
<em>divide both sides by 20.7</em>