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qaws [65]
3 years ago
8

5x+2y=7 as a ordered pair

Mathematics
2 answers:
Elenna [48]3 years ago
8 0
(1, 1), 5 + 2 = 7, not that hard!
ICE Princess25 [194]3 years ago
5 0

Step-by-step explanation:

(1, 1), 5 + 2 = 7

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2 years ago
Suppose a family drives at an average rate of 60 mi/h on their way to visit relatives and then an average rate of 40 mi/h on the
hammer [34]

Answer:

Part A) 2 hours

Part B) d/60 hours

Part C) 48 miles/hour

Step-by-step explanation:

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we know that

Let

x ----> the time it take on their way to visit relatives in hours

y ---> the time it take on the way back in hours

we know that

The distance of the way to visit is equal to the distance of the way back

The speed multiplied by the time is equal to the distance

so

60x=40y -----> equation A

y=x+1 -----> equation B

substitute equation B in equation A and solve for x

60x=40(x+1)

60x=40x+40

20x=40

x=2 hours

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y=2+1=3 hours

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The time it take on the way back is 3 hours

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The distance is equal to the speed multiplied by the time

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