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wlad13 [49]
3 years ago
8

What does n eaqual 9 - 5n + 1 = 15 n=?

Mathematics
1 answer:
Rama09 [41]3 years ago
7 0

Answer:

n = -1

Step-by-step explanation:

9 - 5n + 1 = 15

-5n = 15 - 10

-5n / -5 = 5/ - 5

n = -1

hope this helps!!!

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If the simple interest on $2,000 for 7 years is $840, then what is the interest rate?
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Answer:

Step-by-step explanation:

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8 0
3 years ago
Find the angular and linear speed for a wheel that rotates 32 rpm
babunello [35]

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\pi radians is equivalent to 180 degrees, so the angular speed could also be

\left(64\pi\dfrac{\rm rad}{\rm min}\right)\left(\dfrac{180}\pi\dfrac{\rm deg}{\rm rad}\right)=11,520\dfrac{\rm deg}{\rm min}

The linear speed depends on the wheel's radius. Suppose its radius is r. Then the wheel has circumference 2\pi r units. A point on the edge of the wheel travels this distance in one revolution, so its linear speed is

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(where u stands for units of length)

7 0
3 years ago
2+2x7+11x77-654n=745666<br> What's n?
REY [17]
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3 0
3 years ago
What is the derivative of the function (2x^2+3x+7)/(sqrt(x))
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3 years ago
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marissa [1.9K]

Answer:

Step-by-step explanation:

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