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Kamila [148]
3 years ago
11

Find the measure of the third angle of a triangle given the measures of two angles

Mathematics
1 answer:
sattari [20]3 years ago
7 0
We know that all three angles in a triangle must add to 180 degrees so we can use this fact to find the measure of the missing angles.  
180-57-101= 22 degrees
180-72-72=36 degrees
180-x-20=160-x degrees
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For the equation y= x + 5, find the value of y when
Nina [5.8K]

Answer:

a) 3 b) 5 c) 7 d) 9

Step-by-step explanation:

For this, you want to replace x in the equation y=x+5 with each of the values listed.

For the first one, -2, the equation becomes y=-2+5, which is solved to y=3.

For the second one, 0, the equation becomes y=0+5, which is solved to y=5.

For the third one, 2, the equation becomes y=2+5, which is solved to y=7.

For the last one, 4, the equation becomes y=4+5, which is solved to y=9.

**This content involves solving algebraic equations with a known variable, which you may wish to revise. I'm always happy to help!

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Step-by-step explanation:

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3 years ago
Find the 23rd term of the arithmetic sequence 17, 19, 21, 23, ...
olga55 [171]

Answer:

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Step-by-step explanation:

4 0
2 years ago
Which equation best describes the relationship shown in the table?​
Lerok [7]

Answer:

The answer is C. y=2x+3

Step-by-step explanation:

A. y=3x  you would pick a coordinate to replace the X and Y value.   -1=3(-2)   which gives you   -1=-6, which wouldn't work.

B. y=x+1   you would pick a coordinate to replace the X and Y value.   -1=-2+1  which would give you -1=-1 which would work,  but you have to check all of the coordinates to make sure it is the correct one.   3=0+1 which would give you 3=1 so this is not the correct answer.

C. y=2x+3    You would pick a coordinate to replace the X and Y value.  -1=2(-2)+3 so then you would simplify that which would give you -1=-1 which would work, but you still need to check to make sure that all of the coordinates work. 3=2(0)+3 which would give you 3=3.  9=2(3)+3 which would give you 9=9. Since this one is able to have three coordinates that can be plugged into it more than likely it is the correct answer, but just to be certain lets see if D will work.

D. y=x+13  you would substitute the coordinates for the x and y values   -1=-2+13 which would give you -1=11 which would not be correct.

4 0
3 years ago
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