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Dovator [93]
3 years ago
13

In a lab, a substance is heated by 4°C each hour for 28 hours. What was the total change in temperature?

Mathematics
1 answer:
andre [41]3 years ago
6 0

Answer:

112 difference in tempature

Step-by-step explanation:

multiply 4x28

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Answer:

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Step-by-step explanation:

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Solve x in the diagram below
zzz [600]

A straight line is 180°, so you add these two angles together because they make a straight line:

3x° + 75° = 180°        

To find "x", isolate/get the variable "x" by itself in the equation. Subtract 75° on both sides

3x° + 75° - 75° = 180° - 75°

3x° = 105°      Divide 3 on both sides to get "x" by itself

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PROOF

3x° + 75° = 180°   Substitute/plug in 35 into "x" since x = 35°

3(35)° + 75° = 180°

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