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Mamont248 [21]
3 years ago
6

As the weight held by a spring increases, the length of the spring increases, proportionally. Suppose a 2-lb weight stretches a

spring to 15 in., and a 12-lb weight stretches the same spring to 20 in. What is the length of the spring with NO weight attached? a. 14 in c. 20 in b. 12 in d. 6 in
Mathematics
1 answer:
meriva3 years ago
6 0
The aswer would be B because you have to divide a couple numbers to get 20in. 
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Leona [35]

The inequality is used to solve how many hours of television Julia can still watch this week is x + 1.5 \leq 5

The remaining hours of TV Julia can watch this week can be expressed is 3.5 hours

<h3><u>Solution:</u></h3>

Given that Julia is allowed to watch no more than 5 hours of television a week

So far this week, she has watched 1.5 hours

To find: number of hours Julia can still watch this week

<em>Let "x" be the number of hours Julia can still watch television this week</em>

"no more than 5" means less than or equal to 5 ( ≤  5 )

Juila has already watched 1.5 hours. So we can add 1.5 hours and number of hours Julia can still watch television this week which is less than or equal to 5 hours

number of hours Julia can still watch television this week + already watched ≤ Total hours Juila can watch

x + 1.5 \leq5

Thus the above inequality is used to solve how many hours of television Julia can still watch this week.

Solving the inequality,

x + 1.5 \leq5\\\\x \leq 5 - 1.5\\\\x \leq 3.5

Thus Julia still can watch Television for 3.5 hours

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Number of muffins sold=9

and number of pizza pies sold=15

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