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sergij07 [2.7K]
3 years ago
10

Evaluate this expression using x=2.

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0
A. 3

explanation:

3(2)-3
6-3
3
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The sum of 2 numbers is 25. Their difference is 7. Find the numbers. Let x=1st number and y=2nd number
Alex Ar [27]

Answer:

x= 16 and y = 9

Step-by-step explanation:

1 st equation ; x+y = 25

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from 1 st equation

x = 25 - y

now putting value of x in 2 nd equation

x- y = 7

25 - y-y = 7

25 -2y =7

25-7 = 2y

18 = 2y

18/2 = y

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putting value of y in 1 st equation

x = 25-y

x = 25-9

x= 16

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Answer:

The answer is b. 343,480.8ft

Step-by-step explanation:

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The solution would look like V=π40²×65=326725.8

The equation for the volume of a cone is V=1/3πr²×h

The solution would look like V=1/3π×40²×10=16755

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Step-by-step explanation:

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