xonyemaa12
05.10.2019 •
Mathematics
Suppose a crew member at an unloading dock can unload 3 trucks per hour and have already unloaded 17 trucks. which equation can be used to medel the number of trucks the crew unloads after h hours?
a. 3h+17
b. 3h=17
c. 17h-3
d. 17h+3
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Ответ:
A. 3h+17
Step-by-step explanation:
Given,
The initial number of unloaded trucks = 17,
Also, 3 trucks per hour can be uploaded,
So, the additional number of uploaded truck after h hours = 3h,
Hence, the total number of uploaded trucks after h hours = Initial uploaded trucks + additional trucks
= 17 + 3h
Which is the required equation,
Option A is correct.
Ответ:
S(-2,1)
T(-4,0)
U(-2,-3)
R(0,1)
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Step-by-step explanation: