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maw [93]
3 years ago
9

Alice purchased a cell phone for 30% ff the original price. The sales price was $84 . What was the original price of the cell

Mathematics
1 answer:
pychu [463]3 years ago
8 0

Answer: $120

Step-by-step explanation:Quick maths.

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∠A=5x−18. ∠B=3x+42∘ solve for x and then find the measure of ∠A
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Answer:

x = 30 ∠A = 132 degrees

Step-by-step explanation:

Set the equations equal to each other to solve for x

5x - 18 = 3x + 42

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2x - 18 = 42

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Now plug this into the equation for angle A

∠A = 5(30) − 18        Multiply

∠A = 150 - 18           Subtract

∠A = 132 degrees

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