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Ira Lisetskai [31]
2 years ago
6

What is the radius of a cylinder if it has a volume of 769.3 cubic meters and a height of 5 meters? (Use 3.14 for π.) 49 m 14 m

7 m 21 m
Mathematics
2 answers:
Deffense [45]2 years ago
6 0

Answer:

7m

Step-by-step explanation:

v=πr^2h

769.3=3.14*r^2*5

769.3=15.7r^2

769.3/15.7=15.7r^2/15.7

49=r^2

√49=√r^2

√49=r

r=7m

grigory [225]2 years ago
4 0
7m is the radius 7m is the radius
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torisob [31]

Answer:

a) The missing terms are 9, 13, 21 and 25.

b) If we know that n_{1} = 9 and r = 4, then the n-th term of the sequence is represented by n_{n} = 9 +4\cdot (n-1).

Step-by-step explanation:

a) Given that elements of the sequence are found by increasing by the same amount, we infer that elements are part of an arithmetical progression. The rate of progression is now determined:

3\cdot r = 29-17

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The missing terms are:

n_{1} = 17 - 2\cdot (4)

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n_{5} = 25

The missing terms are 9, 13, 21 and 25.

b) The formula for the arithmetical progression is represented by the following formula:

n_{n} = n_{1} + r\cdot (n-1) (1)

Where:

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n - Indicator associated with the element of the sequence.

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If we know that n_{1} = 9 and r = 4, then the n-th term of the sequence is represented by n_{n} = 9 +4\cdot (n-1).

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The function will then be:

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subtract

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