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swat32
3 years ago
6

MARK BRAINLIEST!!!

Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0
The answer is 2x-50
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a girl can ski down a hill 5 times as fast as she can climb up the same hill. if she can climb and ski down the hill in a total
svlad2 [7]
Lets say we represent the amount of time she could ski.

So it would be x = the amount of time she skis

And 5x would represent how long it took her to climb

and she took 9 minutes to climb.

So what we would do first is put it in a equation like this

x + 5x = 9

Now we have 6x = 9

Divide 9 by 6x, and we get x = 15

So multiply 1.5 by 5 and the answer would be 7.5

Hopefully this helped. :)
5 0
4 years ago
1) When I double my number and add 3, I get 13. WRITE AN EQUATION that represents the hint.
GalinKa [24]
2x+3=13

2x+1=x+4

x-5=x.0.5

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5 0
3 years ago
Help idk the answer and it’s due tomorrow
KatRina [158]

Answer:

C. 14%

Step-by-step explanation:

We know that Dallas's wage increased from $9 to $10.25.

Let's say the percent increase is x. Then we write the expression:

9 + x * 9 = 10.25

Divide by 9 from both sides:

1 + x = 10.25 / 9 ≈ 1.14

Subtract 1 from both sides:

x = 1.14 - 1 = 0.14

Since x is a percent, that means x = k/100, where k is an integer. So we have:

x = k/100 = 0.14

Multiply both sides by 100:

k = 0.14 * 100 = 14%

The answer is thus C.

<em>~ an aesthetics lover</em>

7 0
3 years ago
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Find the inverse for each relation. <br> 1. { (1, -3), (-2, 3), (5, 1), (6, 4) }
velikii [3]
You just flip each of the numbers spots - the x and y
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3 years ago
Select all of the following that are quadratic equations.
KonstantinChe [14]

Answer:

2 x2+ 12 x = 0

Step-by-step explanation:

I think this is right but I am not sure :(

3 0
3 years ago
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