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ozzi
4 years ago
7

(SAT Prep) Find the value of x.

Mathematics
2 answers:
siniylev [52]4 years ago
8 0
The three angles must add to 180. So x=180-(50+90)= 40 degrees.
ELEN [110]4 years ago
4 0

Answer: 40 degrees

Step-by-step explanation:

Since the rectangle is 90 degrees and we know that the line is 180 degrees if u add 90 and 50 it becomes 140. Now u subtract from 180 to get 40 hope that helps and is a correct answer :)

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3 years ago
Giuliana has 22 quarters and dollar coins worth a total of $10.75.
Tom [10]
The answer is d + 0.25(d - 22) = 10.75
 
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q - the amount of quarters

It is given: d + q = 22

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d + 0.25q = 10.75

Now, we have the system of equations:
d + q = 22
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According to the first equation:
d + q = 22                      <span>⇒ q = 22 - d</span>

We will replace q in the second equation:
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7 0
4 years ago
The cost in dollars,y,to participate x days in a bike tour is a linear function. Lin's tour is described by the equation y=5x+50
suter [353]
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