What is the value of h? h = 1.5 h = 9 h = 10 h = 13.5
Answers
h = 9 if (3h+18) & (15h) are supplementary angles
h = 1.5 if (3h+18) = (15h)
Step-by-step explanation:
Complete Question Can be Either
(picture attached)
(3h+18) & (15h) are supplementary angles
3h + 18 + 15h = 180
=> 18h + 18 = 180
Dividing by 18 both sides
=> h + 1 = 10
=> h = 9
or
if (3h+18) = (15h)
3h +18 = 15h
subtracting 3h from both sides
=> 3h + 18 - 3h = 15h - 3h
=> 18 = 12h
Dividing by 12 both sides
=> 18/12 = 12h/12
=> 3/2 = h
=> 1.5 = h
=> h = 1.5
h = 1.5 if (3h+18) = (15h)
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Answer:
it's B or 9, depending on question format.
Step-by-step explanation:
I don't know what the other guy was using as logic, but this one is correct.