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I am Lyosha [343]
3 years ago
7

I need help showing work and explain the reason

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0

Answer:

Ok

Step-by-step explanation:

-3x-5=16

at 5 to both sides

-3x=21

divide by -3

x= -7

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Please help me with the following math question:
denpristay [2]

Answer:

$86.03

Step-by-step explanation:

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Alvin is 14 years older than elga's The sum of their ages is 94 what is elga'ss age
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NikAS [45]

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3 years ago
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masya89 [10]

The distance between city C and city D is 450 miles.

<u>Solution:</u>

Given, The distance between City A and City B is 250 miles.  

A length of 2.3 feet represents this distance on a certain wall map.  

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We have to find what is the actual distance between City C and City D?

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Then, distance between c and d be n miles  ⇒ 4.14 feet on map.

Now, by chris cross method.

250 x 4.14 = 2.3 x n miles.

2.3n = 1035

n = 450

Hence, the distance between city C and city D is 450 miles.

8 0
3 years ago
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