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anyanavicka [17]
3 years ago
5

One number is five more than a second number. Thrice the first is 5 less than 4 times the second. Find the numbers.

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
8 0

6and 7 tnks ME later. heh

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Use the three steps to solve the problem. the length of a rectangle is 2 inches less than 3 times the number of inches in its wi
beks73 [17]
P=28 in
l=3*w-2

p=2w+2l
p=2w+2*(3w-2)
p=2w+6w-2*2
p=8w-4
p=28 in
8w-4=28
8w=28+4
8w=32 in
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l=3*4-2=12-2=10 in
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3 years ago
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Mika used these steps to solve the equation 5x−12=−2+5(x−2)
e-lub [12.9K]
5x−12=−2+5(x−2)
multiply 5 by all in parentheses first
5x - 12= -2 + (5*x) + (5*-2)
5x - 12= -2 + 5x - 10
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if you subtract 5x from one side and add 12 to the other the solution is:
0= 0

This equation is one that is always true. No matter what number you put in for x, it will always be true.

Example:
5x - 12= 5x - 12
5(4) - 12= 5(4) - 12
20 - 12= 20 - 12
8= 8

Example:
5(-100) - 12= 5(-100) - 12
-500 - 12= -500 - 12
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This will happen no matter what number x is.

ANSWER: D) All values of x make the equation true.

Hope this helps! :)
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3 years ago
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Which equation represents a proportional relationship?
Mama L [17]

Answer:

A. y = 1/2 x

Step-by-step explanation:

A proportional relationship between two quantities is a collection of equivalent ratios, related to each other by a constant of proportionality. In other words, if each point on the line can be put as a fraction and reduced to the same fraction, the relationship is proportional.

7 0
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3) Find “?”<br> 89<br> A) 91°<br> C) 136°<br> B) 105°<br> D) 100°
Andre45 [30]

Answer:

A.

Step-by-step explanation:

A.

Reason 1: 180 - 89 = 91

Reason 2: It's close to 90 degrees

Hope that helps!

4 0
3 years ago
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ANSWER IT PLEASEEEE!!!!!!
Roman55 [17]
The answer is C :))






hope that helped
4 0
3 years ago
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