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g100num [7]
3 years ago
14

What is the value of x in the proportion StartFraction 2 x plus 7 over 3 x minus 4 EndFraction equals 11 over 2?

Mathematics
2 answers:
siniylev [52]3 years ago
7 0
(2x + 7) / (3x - 4) = 11/2
cross multiply
11(3x - 4) = 2(2x + 7)
33x - 44 = 4x + 14
33x - 4x = 14 + 44
29x = 58
x = 58/29
x = 2 <===
adoni [48]3 years ago
5 0

Answer:

its c

Step-by-step explanation:

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finlep [7]
<h3>Answer: 50 mph</h3>

==============================================

Work Shown:

1/10 = 0.1

0.1 mile = 7.2 seconds

1 mile = 72 seconds (multiply both sides by 10)

1/72 mile = 1 second (divide both sides by 72)

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8 0
3 years ago
Plz help me I’m a desperate little boy
Lubov Fominskaja [6]

Answer:

They would be going at 56 miles per hour.

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3 0
4 years ago
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7
Ksenya-84 [330]
17%

17/100 = .17
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3 years ago
Dean says that 13% is greater than 0.1<br> Is Dean correct?<br> Give a reason for your answer.
Vladimir [108]
Yes, Dean is correct.

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