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jeka57 [31]
3 years ago
14

What is -7k-9=8k-129

Mathematics
1 answer:
Leokris [45]3 years ago
7 0

Answer:

k = 8

Step-by-step explanation:

-7k - 9 = 8k - 129

-7k - 8k = -129 + 9

-15k = -120

k = -120/-15

k = 8

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Moreira is comparing prices at two video game rental companies rebound game rental charges a base fee of four dollars and an add
uysha [10]

Answer:

Number of days = 3

Step-by-step explanation:

Let

x = number of days

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Collect like terms

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Number of days = 3

5 0
3 years ago
Find the midpoint of the segment with the following endpoints.<br> (2,9) and (8,1)
vazorg [7]

Answer:

\displaystyle (5,5)

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<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Midpoint Formula: \displaystyle (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

Point (2, 9)

Point (8, 1)

<u>Step 2: Identify</u>

(2, 9) → x₁ = 2, y₁ = 9

(8, 1) → x₂ = 8, y₂ = 1

<u>Step 3: Find Midpoint</u>

Simply plug in your coordinates into the midpoint formula to find midpoint

  1. Substitute in points [Midpoint Formula]:                                                         \displaystyle (\frac{2+8}{2},\frac{9+1}{2})
  2. [Fractions] Add:                                                                                                  \displaystyle (\frac{10}{2},\frac{10}{2})
  3. [Fractions] Divide:                                                                                              \displaystyle (5,5)
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3 years ago
HELPP it’s angles of a triangle much appreciated !
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Answer:

The coastline of alaska is longer than the entire coastline of the lower forty-eight states

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A gallon of Moo Milk costs $5.12. What is the price, in dollars, of an 8 ounce glass of Moo Milk?
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Your answer is 42

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