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enyata [817]
3 years ago
7

b. A child appears to be running into the street ahead. It takes 2.3 seconds for the driver to react and begin to brake, but thi

s time at a rate of -7.5 m/s2. What is the stopping distance for the car in this situation?
Mathematics
1 answer:
skad [1K]3 years ago
3 0

Answer:

I got about 28.01 ft you might want to round or something

hope this helped

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Square root of negative 72
Zina [86]

Answer:

i6\sqrt{2} ,  i

( the comma means there is space between the sqrt of 2 and the i.

<em>Hope this helped and plz mark as brainliest!</em>

<em></em>

<em>Luna G.</em>

3 0
4 years ago
Someone please help ASAP will give brainliest
algol13

√0.02 is rational

√2 is rational

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6 0
3 years ago
The cycle time for trucks hauling concrete to a highway construction site is uniformly distributed over the interval 40 to 75 mi
jeka57 [31]

Answer:

0.8333 = 83.33% probability that the cycle time exceeds 50 minutes if it is known that the cycle time exceeds 45 minutes

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value higher than x is given by:

P(X > x) = \frac{b - x}{b - a}

Uniformly distributed over the interval 40 to 75 minutes.

This means that a = 40, b = 75

It is known that the cycle time exceeds 45 minutes

This means that we can use a = 45

What is the probability that the cycle time exceeds 50 minutes?

P(X > 50) = \frac{75 - 50}{75 - 45} = 0.8333

0.8333 = 83.33% probability that the cycle time exceeds 50 minutes if it is known that the cycle time exceeds 45 minutes

8 0
3 years ago
Two years ago, a rabbit breeder had 75 rabbits. since then, 500 rabbits have been born, 220 have died, and 185 have been sold. h
USPshnik [31]
<span>226.667%

tell me if its right...

</span>
8 0
3 years ago
Emily needs 21 feet of wire. Andy needs 15 feet of wire. How much will each of them spend for wire?
Inessa05 [86]

Answer:

$540.

Step-by-step explanation:

Aprrox some wire cost $15. And 21 x 15= 315. And 15 x 15= 225, so you add and you should have $540.

6 0
3 years ago
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