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DedPeter [7]
4 years ago
9

Darcy gave her beauty technician a ​$5.40 tip. The tip was 12​% of the cost of the procedure. Write an equation to find​ b, the

cost of the procedure.
Mathematics
1 answer:
Savatey [412]4 years ago
4 0

Answer:

Cost of procedure is $45

Step-by-step explanation:

In this question, we are concerned with finding the cost of the procedure, given the tip amount and the percentage of which it is of the procedure cost.

From the question, we are told that the cost of the procedure is b

Mathematically, 12% of b = tip

Thus,

12/100 * b = 5.4

12b = 5.4 * 100

12b = 540

b = 540/12

b = $45

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The table below shows some inputs and outputs of the invertible function f with domain all real numbers.
Naddik [55]

by the inverse function definition, we will have that:

  • f⁻¹(-2) = 3
  • f⁻¹(1) = 0

<h3>How to find the values of the inverse function?</h3>

Remember that, by definition, for an invertible function f(x) we have that:

f(x) = y

then:

f⁻¹(y) = x

Where f⁻¹(x) is the inverse function of f(x).

Now, we want to find:

f⁻¹(-2)  and f⁻¹(1)

If you look at the given table, we can see that we have the points (3, -2) and (0, 1), which means that:

f(3)= -2

f(0) = 1

Then, by the inverse function definition, we will have that:

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  • f⁻¹(1) = 0

If you want to learn more about inverse functions:

brainly.com/question/14391067

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2 years ago
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RideAnS [48]
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4 years ago
PLEASE HELP!! Given a situation you can construct a linear function?
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4 years ago
Y=x-1 and y=-x+7 <br>how do I graph it
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