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jekas [21]
3 years ago
15

Diane averages 10 mph riding her

Mathematics
1 answer:
aksik [14]3 years ago
4 0

Answer:

20 miles

Step-by-step explanation:

d miles × (1 h)/(10 miles) = d/10 hours

d miles × (1 h)/(40 miles) = d/40 hours

d/40 = d/10 - 3/2

d = 4d - 60

d = 20 miles

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Mrrafil [7]

Answer:

Infinite number of solutions

Step-by-step explanation:

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For any value of x, both equations are equal to each other because both sides are identical

4 0
3 years ago
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Phoenix [80]

Answer:

(-2, 6)

Step-by-step explanation:

We can simply do this by plugging in all of the coordinates. (I did this in my head quickly, so I know what it is; I'm just going to plug in the correct answer.) The correct answer is (-2, 6), so we're just going to plug them into the simplest equation, which is probably y=-3x. So...

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This answer is correct. If you're unsure about the answer, you can always check in the other equation. So...

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elena55 [62]

Answer:

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Step-by-step explanation:

Because it is a 90 degree angle, you subtract the 29 from 90 and you get 61. You can also put in in this equation and arrive at the same conclusion.

90=X+29

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Step-by-step explanation:

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Find the value of x and y.<br><br><br>I will give brainliest to the best awnser, thank you. ​
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Answer:

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Step-by-step explanation:

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