4 years ago

Solve for the unknown quantity of x 15/2= 60/x

Mathematics

1 answer:

grin007 [14]4 years ago

3 0

Answer:

Directions: Write the name and composition of the following composer/s below. Space provided for your answer.

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Between x=2 and x=3, which function has a greater average rate of change than f(x)=2^x has?

maxonik [38]

Answer: f(3)

Step-by-step explanation:

First find the formula for the rate of change by taking the derivative of 2^x. Let f(x) equal some hypothetical y-value, then take the natural log of both sides.

$y=2^x\\\ln(y)=x \ln(2)$

Implicitly differentiate the left side and take the derivative of the right side

$\frac{y'}{y} =\ln(2)$

Multiply both sides by 'y' which was defined as 2^x

$y'=\ln(2)*2^x$

Plug in x = 2 and x = 3 to see which slope is larger

$y'=\ln(2)*2^2=4\ln(2)\\y'=\ln(2)*2^3=8\ln(2)$

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3 years ago

What is the answer to 5x+9x=100?

alexira [117]

Answer:

50/7.

Simplified to 7.14.

Step-by-step explanation:

Combine like terms, 5x and 9x.

5x+9x=14x

14x = 100

14x / 14 = 100 / 14

x = 50/7 or 7.14

Hope this helps!

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3 years ago

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What is 15/8 as a mixed number

9966 [12]

It would be equal to 1 7/8

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3 years ago

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Select the property of equality used to arrive at the conclusion. If x = 3, then x 2 = 3x

VARVARA [1.3K]

I think it would be the Multiplication property of equality

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3 years ago

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12 less than k is -8 find k

galben [10]

Answer:

Step-by-step explanation:

-8+12=4

4-12=-8

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2 years ago

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