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irina1246 [14]
3 years ago
13

Justin is a teacher and takes home 76 papers to grade over the weekend. He can grade at a rate of 7 papers per hour. How many pa

pers would Justin have remaining to grade after working for 10 hours?
Mathematics
2 answers:
labwork [276]3 years ago
6 0

Answer:

6

Step-by-step explanation:

After 10 hours he has graded 10*7 papers which is 70

76-70 = 6

castortr0y [4]3 years ago
3 0

Answer:

The answer is 6

Step-by-step explanation:

10X7=70

76-70=6

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Supplementary and adjacent.

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3 years ago
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16
Tanya [424]

Answer:

2.50

Step-by-step explanation:

Given

(x_1,y_1) = (-1,0.8)

(x_2,y_2) = (0,2)

(x_3,y_3) = (1,5)

(x_4,y_4) = (2,12.5)

Required

The rate of change (b)

The above graph is represented as:

y = ab^x

For: (x_2,y_2) = (0,2);

We have:

y = ab^x

2 = a * b^0

2 = a *1

2 = a

a = 2

For (x_3,y_3) = (1,5),

We have:

y = ab^x

5 = a * b^1

5 = a * b

Substitute a = 2

5 = 2 * b

Divide by 2

2.5 = b

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<em>Hence, the rate of change is 2.50</em>

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