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iren2701 [21]
3 years ago
11

Which pair of angles is supplementary?​

Mathematics
2 answers:
nadya68 [22]3 years ago
6 0
Ροών τκτς ο φτηνές ροζ ε
Cerrena [4.2K]3 years ago
5 0

Two angles are supplementary when they add up to 180°.

In diagram above

A and C are supplementary because they add up to 180° 60+112 =180

Same with B and D

90+90=180

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Answer:

2

Step-by-step explanation:

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m = (9-5) / (4-2) = 4/2 = 2

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What is the effect on the graph of the function f(x) = V3x when f(x) is replaced with f(x + 4)?​
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3 years ago
Riley and Erik have earned a total of 135 tokens to buy items in the school store. The ratio of the number of tokens that Riley
lisabon 2012 [21]

Answer:

<em>Riley has 72 tokens</em>

Step-by-step explanation:

<u>System of Equations </u>

We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

x+y=135

Solving for y

y=135-x

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

\displaystyle \frac{x}{y}=\frac{8}{7}

Or equivalently

7x=8y

Replacing y from the first equation

7x=8(135-x)

Operating

7x=1080-8x

Simplifying

15x=1080

\boxed{x=72}

Riley has 72 tokens

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4 years ago
What are the coordinates to this?
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Answer:

D (-5,-2) E (0,-2), and F (-4,-6)

Step-by-step explanation:

hope it helps

4 0
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