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likoan [24]
3 years ago
9

Can someone help me please? I forgot how to do this

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
8 0

Answer:

90°-33°=57°

57=2x+1

-1. -1

56=2x divide both sides by 2

28=x

x =28

scoray [572]3 years ago
3 0

Answer:

x = 28

Step-by-step explanation:

Both of these would add up to 90 degrees.

Equation                              → 2x + 1 + 33 = 90

Add like terms                     → 2x + 34 = 90  

Subtract both sides by 34  → 2x + 34 - 34 = 90 - 34

Divide both sides by 2        → 2x = 56

                                              → x = 28

hope this helps! :)

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How many gallons of a 80% antifreeze solution must be mixed with 80 gallons of 15% antifreeze to get a mixture that is 70% antif
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440 gallons of 80 % antifreeze solution must be mixed with 80 gallons of 15% antifreeze to get a mixture that is 70% antifreeze

<em><u>Solution:</u></em>

Let "x" be the gallons of 80 % antifreeze added

Therefore, "x" gallons of 80 % antifreeze solution must be mixed with 80 gallons of 15% antifreeze

Final mixture is x + 80

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"x" gallons of 80 % antifreeze solution must be mixed with 80 gallons of 15% antifreeze to get (x + 80) gallons of 70 % antifreeze

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