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angle 1 & angle 2 are supplementary. angle 1 is 4y+7 and angle 2 is 9y+4. find angle 2
Stacey Warren - Expert brainly.com
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What do supplementary angles add up to...........How many degrees?
Yes, I agree. So we know that angle 1 + angle 2 = 180 degrees. Agree?
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We now got it made. Angle 1 is 4y + 7 and angle 2 is 9y + 4
and their sum is 180. We can now write: (4y = 7) + (9y + 4) = 180.
You can combine similar terms, simplify and solve for y. After getting y value plug that in for angle 2 and solve for the angle in degrees.
Do you follow that?
Gee that was quick. Just let me check.
13y + 11 = 180
13 y = 180 - 11 = 169
y = 13
9y + 4 = 9(13) + 4 = 117 + 4 = 121 degree That is what I got for angle 2. Let me check by finding angle 1 and add the angles and see if they add up to 180
4 (13) + 7 = 52 + 7 = 59
Adding the two 121 + 59 = 180. Check your solution for y.
What did you get for y?
14.692, & thank you so much!
I see. I added the 11, instead of subtracting it!
thank you & have a blessed day :)
No No, not 14.692. Here is it step by step|dw:1442356071480:dw|
Good you have a good day and good luck with your studies.