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Sonbull [250]
4 years ago
11

Evaluate the expression when p = 9.3 and q = –2.1.

Mathematics
1 answer:
guajiro [1.7K]4 years ago
6 0
It's A 15.6 
I know it's late but i hope i helped :D
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Hi if u could help me that'd be great
WINSTONCH [101]

Answer:

1 hour and 45 minutes

and 1 hour

Step-by-step explanation:

x= run

y= walk

5x+2.5y = distance

5x+2.5(1.5)=12.5

solve for x

5x=8.75

x=1.75

1.75 in hours is 1 hour and (60*.75)=45

1 hour and 45 minutes

" If the marathon race participant ran for 2 hours, how many hours did the participant walk?"

We use the same equation

5x+2.5y=distance

we'll assume that they till walked 12.5 miles

which means that

5(2)+2.5y=12.5

solve for y

2.5=2.5y

y=1

1 hour

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Answer:

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C. None of the x-values repeat.
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Which of the following coordinates belong in the box
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8 0
3 years ago
Negative 9x plus 1 = negative 80
miss Akunina [59]

Answer:

x = 9

Step-by-step explanation:

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