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Ahat [919]
3 years ago
6

HELP ASAP Select the real-world problem that could be solved using a proportion.

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer: D

Step-by-step explanation:

D can be solved using 300/6 = x/10 making it a proportion

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Eight less than a number doubled is twenty more than the number. What is the number?
m_a_m_a [10]
Let the number be a .... =>Number doubled : 2a .. =>Eight less than the no. Doubled : 2a - 8 =>Eight less than the no. doubled is 20 more than the no. : 2a - 8 = 20 + a =>2a - 8 - 20 - a = 0 =>2a -a - 20 -8 = 0 =>a -28 = 0 =>a = 28 =>so the number is 28... Hope it helps!!!
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Geometry
Kobotan [32]

Answer: UV = 52

Concept:

Additive property of length, or the segment addition postulate, states that given 2 points A and C, a third point B lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC.

Solve:

<u>Given information</u>

TU = 4x

UV = 2x + 14

TV = 7x - 5

<u>Given expression deducted from the additive property of length</u>

TV = TU + UV

<u>Substitute values into the expression</u>

7x - 5 = 4x + 2x + 14

<u>Combine like terms</u>

7x - 5 = 6x + 14

<u />

<u>Subtract 6x on both sides</u>

7x - 5 - 6x = 6x + 14 - 6x

x - 5 = 14

<u>Add 5 on both sides</u>

x - 5 + 5 = 14 + 5

x = 19

<u>Find UV by substituting the value of x</u>

UV = 2x + 14 = 2 (19) + 14 = \boxed{52}

Hope this helps!! :)

Please let me know if you have any questions

5 0
3 years ago
In the figure, j | k and mZ2 = 117°<br> What is the mZ3?
DIA [1.3K]

Answer:

if angle 2 is 117 degrees, angle 3 is supplemental and would be 63 degrees.

180-117=63

4 0
3 years ago
Convert the decimal 0.92 to a fraction.<br> 83<br> 9<br> 83<br> 100<br> 83<br> 90
bogdanovich [222]

Answer:

options: 83/90 92/99 83/9 83/100. 0.92 = 92 / 100

Step-by-step explanation:

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3 years ago
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