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Contact [7]
3 years ago
6

PLEASE HELP !!!!!!!

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
8 0
Because relationship B has a greater rate, the heat should be increasing more.
Thus the answer is B because in the original, the rate from 2 to 3 was 64.9-61.3=3.6 while in table B, the change is 64.3-60.6=3.7 and 3.7>3.6
N76 [4]3 years ago
7 0

Answer:

(B) Time (min) 2 , 3 , 7 , 9

Temperature (°C) 60.6 , 64.3 , 79.1 , 86.5

Step-by-step explanation:

The rate of change is found by using the formula for slope:

m=\frac{y_2-y_1}{x_2-x_1}

For option A, this gives us

m =(64.4-61.0)/(3-2) = 3.4/1 = 3.4

This is not more than relationship A.

For option B, we have

(64.3-60.6)/(3-2) = 3.7/1 = 3.7

This is more than relationship A.

For option C, we have

(65.3-61.8)/(3-2) = 3.5/1 = 3.5

This is not more than relationship A.

For option D, we have

(64.6-61.0)/(3-2) = 3.6/1 = 3.6

This is not more than relationship A.

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