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tensa zangetsu [6.8K]
4 years ago
6

Solve for π: V= 2πr^2 + 2πrh

Mathematics
1 answer:
crimeas [40]4 years ago
3 0

Answer:

π = V/(2r²+2rh)

Step-by-step explanation:

"Solving" for something means to isolate it on one side of an equation. Because both terms on the right side of the equation have π in common, we can factor it out. Then from there, you just divide the rest of it on both sides to isolate π. It should look like this:

V=2πr^2 + 2πrh

V=π(2r² + 2rh)

V/(2r² + 2rh)=π

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a theater is designed with 15 seats in the first row, 19 in the second, 23 in the third, and so on. if this seating pattern cont
marusya05 [52]

Answer:

<u>131 seats</u> are in the 30th row.

Step-by-step explanation:

The theater is designed with the first row there are 15 seats, in second row 19 seats and in the third row there are 23 seats.

Now, to find the number of seats in the 30th row.

So, we get the common difference(d) from the arithmetic sequence first:

19-15=4.

Thus, d=4.

So, the first tem a(1) = 15.

The number of last row (n) = 30.

Now, to get the number of seat in the 30th row we put formula:

a(n) = a(1) + d(n-1)

a(30)=15+4(30-1)

a(30)=15+4\times 29

a(30)=15+116

a(30)=131

Therefore, 131 seats are in the 30th row.

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4 years ago
Beanbag chairs it normally sell for $36.30 on sale for $32.12 find the percent of discount
Anuta_ua [19.1K]

Answer:


Step-by-step explanation:


5 0
3 years ago
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Find the distance between the pair of points (-6.-17) and (-8.-19) The distance is (Round to the nearest thousandth as needed.)​
valina [46]

Answer:

2.83

Step-by-step explanation:

d= Square root of (x2 - x1 )^2 +( y2- y1)^2

from the point given you

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by applying the formula

Square root of ( -8 - (-6))^2 + ( -19 - (-17))^2

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3 years ago
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Answer:

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Step-by-step explanation:

Our result when dividing 26 by 12 becomes 2.166666......

This is a problem,

Luckily, the question asks us to round to the nearest penny, or hundredths, for calculation's sake.

This brings our answer to 2 dollars and 17 cents

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3 years ago
A basketball player attempted 15 free throws and missed 9.
likoan [24]

Answer:Free throw percentage (FT%) is a basketball metric that puts a player’s successful free throws in perspective to their total attempts.

Step-by-step explanation:

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3 years ago
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