3 years ago

Half x + 10 equals quarter x + 54

Mathematics

1 answer:

IgorLugansk [536]3 years ago

5 0

½(x+10) = ¼(x+54)
Solving it

x/2 + 5 = x/4 + 13.5
x/2 - x/4 = 13.5 - 5
x/4 = 8.5
x = 8.5 × 4 = 34

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B. Perimeter = 190.6 yd

Step-by-step explanation:

A. Distance between P(10, 50) and R(80, 10):

$PR = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$PR = \sqrt{(80 - 10)^2 + (10 - 50)^2}$

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PR = 80.6 yd

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QR = |80 - 10| = 70 yd

Perimeter = 80.6 + 40 + 70

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