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Oksi-84 [34.3K]
3 years ago
12

Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost $20. the items she bought cost a total of 160$. wri

te an equation to determine each cost of each sweater.
Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

160-20=140. 140/4=$35.

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An airplane is loaded with cargo and ready to take off. Before it departs, an unknown number
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Answer:

b ≤ 50

Step-by-step explanation:

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8b ≤ 400

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Ali had his car repaired at Ace Auto. He was charged AED 50 per hour of labor plus AED 150 for parts. His total bill for the rep
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Step-by-step explanation:

x = hours Ali was charged for

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Find the coordinates of the midpoint of the segment whose endpoints are R(9, 3) and S(-1, -9).
amm1812

Answer:

(4, -3 )

General Formulas and Concepts:

<u>Pre-Algebra I</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

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

Step-by-step explanation:

<u>Step 1: Define</u>

R (9, 3)

S (-1, -9)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{9-1}{2}, \frac{3-9}{2} )
  2. Subtract:                       (\frac{8}{2}, \frac{-6}{2} )
  3. Divide:                          (4, -3 )
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Wayne has a recipe that says to heat the oven to 160°C. Wayne evaluates the expression 1.8C + 32 when C= 160 to convert the temp
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2 years ago
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