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pantera1 [17]
3 years ago
8

Use the numbers -10, -5/2,-2/5, or 5 to write an expression

Mathematics
2 answers:
kherson [118]3 years ago
8 0

The answer is -10 ÷ (-2/5)

notsponge [240]3 years ago
6 0

Answer:

-10/ (-2/5)

Step-by-step explanation:

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Let f(x) = x2 - 81. Find f-1(x).
aalyn [17]
The answer is <span>1) ± √x+81
</span>
Step 1: Substitute y for f(x). <span>
Step 2: </span>Since every (x, y) has its partner (y, x)y switch x and y.
Step 3: <span>Solve for y.

Step 1.
The function is:         f(x) = x</span>² - 81
Substitute y for f(x):   y = x² - 81

Step 2.
Switch x and y: x = y² - 81

Step 3.
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Read 2 more answers
What is the rate of change?<br> X<br> у<br> 2.<br> 0<br> 3<br> 0<br> 4<br> 0
Nimfa-mama [501]

Answer:

m=0

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<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>

<em>Find points from chart.</em>

Point (2, 0)

Point (3, 0)

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

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>.  Rate of change and slope are identical.

  1. Substitute [SF]:                     m=\frac{0-0}{3-2}
  2. Subtract:                               m=\frac{0}{1}
  3. Divide:                                  m=0
7 0
3 years ago
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