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Mathematics 19 Online
OpenStudy (anonymous):

help

OpenStudy (anonymous):

OpenStudy (anonymous):

Find the sum of x and y. A. 14 B. 30 C. 50 D. 104

OpenStudy (mathmale):

I'd be happy to help, with your involvement. What have you thought of doing first? Hint: How many right angles are there in this figure? What would the sum of 90 degrees and 6y be? Hope these questions help you get started.

OpenStudy (anonymous):

14 @mathmale

OpenStudy (mathmale):

How did you obtain that? I'd like to see your work.

OpenStudy (anonymous):

addin

OpenStudy (mathmale):

How did you find the value of y?

OpenStudy (anonymous):

wait is 5*6=30

OpenStudy (mathmale):

Roberto, please answer my questions. How did you find the value of y?

OpenStudy (anonymous):

I multiplied 5 times 6 and it equals 30

OpenStudy (mathmale):

How many right angles are there in this figure? What would the sum of 90 degrees and 6y be? Hope these questions help you get started.

OpenStudy (anonymous):

there two 6y and two 90 degrees @mathmale

OpenStudy (mathmale):

There are only two right angles. Which of the four interior angles of this figure are right angles? Add the measures of these two right angles together.

OpenStudy (anonymous):

so the answer its not 30 or 14? right

OpenStudy (mathmale):

Since a "right angle" is a 90 degree angle, the sum of two right angles comes out to how many degrees? Once you have that correct, you can find y.

OpenStudy (mathmale):

I will gladly help you find the correct answer yourself, but want to see how you get that answer.

OpenStudy (mathmale):

Add: 90 +90 -----

OpenStudy (anonymous):

180

OpenStudy (mathmale):

Fine. Now there are TWO right angles in your figure. one of them is 90 degrees. Which of the other three angles is ALSO a right angle, measuring 90 degrees?

OpenStudy (anonymous):

6y

OpenStudy (mathmale):

Very good. So, 6y=90. What is the measure of y?

OpenStudy (mathmale):

You correctly told me that 6y represents a right angle. Bravo! Therefore, 6y=90 (degrees). Divide both sides by 6, please, to obtain the value of y.

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