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Sergio [31]
3 years ago
5

Can someone help me please​

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0

Answer:

3x - 14

Step-by-step explanation:

Perimeter = 2(length+width)

= 2[(½X-7) + (x)]

= 2[½x + x - 7]

= 2[1.5x - 7]

= 3x - 14

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Question 10 Multiple Choice Worth 1 points)
Andrew [12]

Answer:

Riding is independent variable and cost is dependent....

Step-by-step explanation:

According to the given statement Jewels has $6.75 to ride the ferry around Connecticut. It will cost her $0.45 every time she rides.

It means that if she rides a ferry, she pays

If she does not ride the ferry she won't pay

This shows that the paying depends on riding.

Thus riding is independent variable and cost is dependent....

7 0
3 years ago
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FinnZ [79.3K]

Answer:

Simplify the expression.

Exact Form:

−  13/ 3

Decimal Form:

− 4. ¯ 3

Mixed Number Form:

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Hope this helps!

5 0
3 years ago
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gladu [14]

Answer:

B) −1/4


Step-by-step explanation:

The slope represents the change in y values divided by the change in x values.  We can use the formula

slope = (y2-y1)/(x2-x1)

(2,4)  (-2,5)

slope = (5-4)/(-2-2)

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slope = -1/4

5 0
3 years ago
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Twelve years ago, Jane was five times as old as Anne. In three years' time, Anne will be half Jane's
Soloha48 [4]

Answer:

Jane: 37 years old

Anne: 17

Step-by-step explanation:

Jane 12 years ago: 5x

Anne 12 years ago: x

In three years into the future:

Jane: 5x+15

Anne: x+15

CURRENT TIME:

Jane: 5x+12

Anne: x+12

Equation (using 3 years into the future ages): 5x+15=2(x+15)

5x+15=2x+30

(subtract 15 from both sides)

5x=2x+15

3x=15

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Therefore, Jane is 37 years old and Anne is 17 years old.

3 0
3 years ago
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Luba_88 [7]

Answer: -2

Step-by-step explanation:

5 0
3 years ago
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