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Drupady [299]
3 years ago
14

7n + 5 =68.... how to solve this problem and show my work​

Mathematics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

n = 9

Step-by-step explanation:

7n + 5 = 68

7n + 5 - 5 = 68 - 5

7n = 63

7n / 7 = 63 / 7

n = 9

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Equation of the circle:

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Step-by-step explanation:

The equation of a circle is given by

(x-x_0)^2+(y-y_0)^2=r^2

where

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For the circle in this problem, we know that:

(5,4) are the coordinates of the center

We also know that the circle passes through the point (-3,2), therefore we can calculate the radius as the distance between the point on the circle and the center of the circle:

r=\sqrt{(-3-(5))^2+(2-(-4))^2}=\sqrt{(-8)^2+(6)^2}=\sqrt{64+36}=10

Therefore, the equation of the circle is:

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Learn more about circles:

brainly.com/question/4713715

brainly.com/question/3456442

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3 years ago
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3 years ago
Water runs from a pump at a rate of 0.5 gallons per minute. At this rate, how long would it take to fill a tub with a 150-gallon
lutik1710 [3]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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