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Nina [5.8K]
2 years ago
13

Write the equation of the line of the line that passes through the point (3, -6) and a slope of 5

Mathematics
1 answer:
muminat2 years ago
3 0

Answer:

y=5x-21

Step-by-step explanation:

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A 1200 kg car rolling on a horizontal surface has speed v = 50 km/h when it strikes a horizontal coiled spring and is brought to
tangare [24]
When the car is moving, it has Kinetic Energy. As soon as the car entercount with the spring, its Kinetic Energy will transfer to Elastic Potential Energy. 

<span>KE = EPE </span>
<span>1/2mv^2 = 1/2kx^2 </span>

<span>change the speed into m/s </span>
<span>50 km/hr = 13.9 m/s </span>

<span>1/2(1200)(13.9)^2 = 1/2k(2.2)^2 </span>

<span>now you do the math to solve for k.
k= 115926/2.42
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8 0
3 years ago
NO LINKS OR ANSWERING QUESTIONS YOU DON'T KNOW!!!!
Over [174]

9514 1404 393

Answer:

  b.  -150

Step-by-step explanation:

We usually take elevation to be positive above sea level, and negative below sea level. If the elevation is below sea level, it is negative. If it is within 200 ft of sea level, the magnitude of the negative number is 200 or less. That is, the elevation must satisfy ...

  -200 ≤ elevation < 0

The only answer choice in that range is -150.

Ethan's elevation in feet could be -150.

5 0
3 years ago
Can somebody help me please??
Komok [63]

Answer:

A is the corrrect answer

Step-by-step explanation:

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3 0
3 years ago
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Ne4ueva [31]

Answer:

coool

Step-by-step explanation:

7 0
3 years ago
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A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability. Suppose 30 prospects a
KIM [24]

Answer:

The expected number of sales of this store from this sample of 30 is 6.

Step-by-step explanation:

For each prospect, there are only two possible outcomes. Either there is a trade, or there is not. Prospects are independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

A retail variety store that advertises extensively by mail circulars expects a sale with 20% probability.

This means that p = 0.2

Suppose 30 prospects are randomly selected from a city-wide mailing.

This means that n = 30

What is the expected number (mean) of sales of this store from this sample of 30?

E(X) = np = 30*0.2 = 6

The expected number of sales of this store from this sample of 30 is 6.

4 0
3 years ago
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