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Tanzania [10]
3 years ago
11

20. 7.EE,4b

Mathematics
1 answer:
Dmitry [639]3 years ago
5 0
Imagine still being in school!!
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A roller coaster accelerated from rest to 55 m/s by the time it reached the first hill. The roller coaster took 15 seconds to cl
GalinKa [24]

Answer:

I believe the acceleration is 3.66666666667 m/s

Step-by-step explanation:

Acceleration formula: a = vf - vi / t

Initial velocity: 0 (I believe it was 0, as it wasn't moving in the beginning)

Final velocity: 55 m/s

Time: 15 s

Substituting values: 3.66666666667 = 55 - 0 / 15

4 0
3 years ago
Andrew is working for his mother's company this summer. He gets paid $0.31 for every 4 words he types. If he wants to earn $175
mestny [16]

Answer:

2,258

Step-by-step explanation:

4 words = $0.31

\frac{4}{0.31} = \frac{x}{175}

cross multiple and solve for x

0.31x = (175)(4)

x = about 2,258

4 0
3 years ago
What is the value of the discriminant in the equation shown below? x^2-4x+10=0?
Assoli18 [71]
I think the discriminant would be -24
5 0
3 years ago
I need this problem solved
Ahat [919]

Answer:

5

Step-by-step explanation:

4 0
2 years ago
If three points lie on the same line, they are collinear.
Debora [2.8K]
It would be the fourth choice because the law of syllogism means that if a = b and b = c then a = c.
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3 years ago
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