=πr2h
Area of circle
=πr2
=V/h
=100/30
≈3.33cm
7(3x-2)+4(x+5)
= 7*(3x)-7*2+4x+4*5 (distributive property)
= 21x -14 +4x +20
= 25x +6
Final answer: 25x+6.
Hope this helps~
Answer:
(b) 1/792
Step-by-step explanation:
The complete question is;
<em>Counting: Grading One professor grades homework by randomly choosing 5 out of 12 homework problems to grade.</em>
<em>(a) How many different groups of 5 problems can be chosen from the 12</em>
<em>problems?</em>
<em>(b)Probability extension: Jerry did only 5 problems of one assignment. What is the probability that the problems he did comprised the group that was selected to be graded?</em>
<u>In (a)</u>
<u></u>
Apply the formula

where n=12 and r=5
substitute values

In (b)
If Jerry did only 5 problems of one assignment then the probability will be

<em />
<em />
Answer:
the slope is 3
Step-by-step explanation:
Answer:
Sarah will walk 8 miles.
Hope this helps :D
Step-by-step explanation: