Math, asked by Macywalker936, 11 months ago

What is the value of h? h = 1.5 h = 9 h = 10 h = 13.5

Answers

Answered by amitnrw
8

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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Attachments:
Answered by doesntmatter2
6

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.

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