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PilotLPTM [1.2K]
3 years ago
15

Miguel made $286 for 13 hours of work.

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

Step-by-step explanation:

The key here is to find out how much he makes per hour. We can find that out using the info given.

286 = 13x so

x = 22 dollars per hour. For 7 hours of work then,

7(22) = $154

Zigmanuir [339]3 years ago
5 0
The person above is absolutely right and I agree with it! You could also find the unit rate this way:
Find the unit rate of dollars per hour:
286 ÷ 13 = 22
So the unit rate is $22 per hour of work

Either way, the answer is right
Hope this helps!
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Talia took the bus from her home to the bank and then walked back to her home along the same route. The round trip took 0.9 hour
OlgaM077 [116]
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4 0
3 years ago
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Answer the Following problem about derivatives.
White raven [17]

The derivatives for the given functions are as follows:

a) -3.

b) -1.

c) 1.

d) 0.

<h3>What is the product rule for a derivative?</h3>

The product rule for a derivative is given as follows:

[f(x)g(x)]' = f'(x)g(x) + g'(x)f(x).

Hence, at x = 6, we have that:

[f(x)g(x)]'(6) = f'(6)g(6) + g'(6)f(6).

Replacing the values given in this problem, we have that the answer for item a is:

[f(x)g(x)]'(6) = f'(6)g(6) + g'(6)f(6) = 2(-1) - 1(1) = -2 - 1 = -3.

<h3>What is the quotient rule for a derivative?</h3>

The quotient rule for a derivative is given as follows:

\left(\frac{f(x)}{g(x)}\right)^{\prime} = \frac{f^{\prime}(x)g(x) - g^{\prime}(x)f(x)}{g(x)^2}

Hence, at x = 6, we have that:

\left(\frac{f(x)}{g(x)}\right)^{\prime}(6) = \frac{f^{\prime}(6)g(6) - g^{\prime}(6)f(6)}{g(6)^2}

Then the derivative in item b is:

[2(-1) - (-1)(1)]/[(-1)^2] = -1/1 = -1.

<h3>What is the derivative for the square root of a function?</h3>

Applying the chain rule, the derivative is given by:

(\sqrt{f(x)})^{\prime} = \frac{1}{2\sqrt{f(x)}}f^{\prime}(x)

Replacing at x = 6, the derivative for item c is given by:

1/2 x 2 = 1.

<h3>What is the derivative of a constant?</h3>

The derivative of a constant is of 0. In item d, the multiplication of f(6) by g'(6) results in a constant, hence the derivative is of 0.

More can be learned about derivative rules at brainly.com/question/25081524

#SPJ1

4 0
2 years ago
Can you guys help me I need It now​
KIM [24]
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Answer:36 maybe

Step-by-step explanation:

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6×5=30

30+6=36

7 0
2 years ago
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