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Elena-2011 [213]
3 years ago
13

If f(x)=3x+2/5x-3; then f-1(x) is a.5x-3/3x+2b3x-2/5x+3c.3x+2/5x-3d.2-3x/3-5x​

Mathematics
1 answer:
valentinak56 [21]3 years ago
5 0
Answer is a because -1 just means the opposite
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Find the slope of the line that passes through (40,3000) and (60, 4000).
iragen [17]

Answer:

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General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (40, 3000)

Point (60, 4000)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{4000-3000}{60-40}
  2. Subtract:                       m=\frac{1000}{20}
  3. Divide:                          m=50
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A researcher measured the heights of forty high-school students. The measurements are recorded here.
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63 inches is her height

7 0
4 years ago
Read 2 more answers
A model is 4.2 feet tall, the plywood used to make the model is 0.6 inch thick. How many sheets of plywood to make the model?
nadya68 [22]
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4 0
4 years ago
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