aashlynn7221 aashlynn7221

15-06-2018
Mathematics

contestada

2. Determine the value of x for which r ∥ s if m∠1 = 20 – 8x; and m∠2 = 30 – 16x.
a. 0.75
b. 1.25
c. 10
d. 20

Respuesta :

sqdancefan sqdancefan

27-06-2018

Judging by the answer choices, you require ∠1 = ∠2 for the lines to be parallel. That means
20 - 8x = 30 - 16x
8x = 10 . . . . . . . . . . . add 16x-20
x = 10/8 = 1.25

The appropriate choice is
b. 1.25

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