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mamaluj [8]
3 years ago
15

TRUE OR FALSE? The equation of a line with slope m = -3 and including point (5, 5) is y = -3x + 20.

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

Answer:

True.

Step-by-step explanation:

y = -3x + 20

Put x as 5, then y output should be 5.

y = -3(5) + 20

y = -15 + 20

y = 5

True, the line with slope -3 passes through points (5, 5).

sergey [27]3 years ago
5 0
The answer is True because this is the graph

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7 + r = 15<br><br>A() 22<br><br>B() 8<br><br>C() 105<br><br>D() 9
guajiro [1.7K]

Answer:

B

Step-by-step explanation:

7+r=15

-7    -7

r = 8

B.8

5 0
3 years ago
3/7 of which is 2 1/14
GarryVolchara [31]

Step-by-step explanation:

the answer is 14

3/7 • 2 1/14

=14

5 0
3 years ago
x^2-8x+15=0 solve the equation by completing the square. Round your solutions to the nearest hundredth, if necessary.
zaharov [31]

Answer:

x = 3, 5

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Terms/Coefficients/Degrees
  • Standard Form: ax² + bx + c = 0
  • Multiple Roots
  • Factoring
  • Completing the Square: -b/(2a)

Step-by-step explanation:

<u>Step 1: Define</u>

x² - 8x + 15 = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 15 on both sides:                     x² - 8x = -15
  2. Complete the Square [Addition Property of Equality]:                                 x² - 8x + 16 = -15 + 16
  3. [Complete the Square] Simplify:                                                                   (x - 4)² = 1
  4. [Equality Property] Square root both sides:                                                  x - 4 = ±1
  5. [Addition Property of Equality] Add 4 on both sides:                                   x = 4 ± 1
  6. Evaluate:                                                                                                          x = 3, 5
7 0
3 years ago
Identify the x and y intercept of the following:<br>3x-4y=8​
Pani-rosa [81]

Answer:

x:8/3

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Step-by-step explanation:

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Arby's advertises $5 for 3 beef and cheddar sandwiches.how much is this per sandwich?
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$5÷3=$1.66 each (approx)
7 0
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