Saberabuomar2007
06.09.2020 •
Mathematics
Determine the value of x for which rls if
A)10
B)0.75
C)1.25
D)20
Solved
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Ответ:
x = 1.25
Step-by-step explanation:
<1 and <2 are corresponding angles and if the lines are parallel, corresponding angles are equal
<1 = <2
20-8x = 30-16x
Add 16x to each side
20-8x+16x = 30-16x+16x
20 +8x = 30
Subtract 20 from each side
20+8x-20 = 30-20
8x= 10
Divide by 8
8x/8 = 10/8
x = 5/4
x = 1.25
Ответ:
C
Step-by-step explanation:
Since R and S are parallel lines, this means that Angle 1 and Angle 2 must be equivalent because they are corresponding angles. So:
Substitute the equations:
Add 16x to both sides:
Subtract 20 from both sides:
Divide both sides by 8:
So, our answer is C.
And we're done!
Ответ: