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3 years ago

Explain how to estimate 524 divide 9

Mathematics

1 answer:

IgorC [24]3 years ago

6 0

Once Youu Divide It Youu Go 524/9=58.222222... A lot Of 2's..
Hope This Helps Youu
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Kelly saves $5 every week. Which expression represents the amount of money, in dollars, Kelly will save in w weeks

Svetradugi [14.3K]

Let's say x is the amount of money Kelly saves. We do not know how many weeks she is saving. If she was saving for 2, then the equation would be x=5(2). However, she is saving by w weeks, so the equation is x=5w.

8 0

3 years ago

You roll a number cube twice. Find the probability of the events. Rolling an odd number 2 or a 4.

forsale [732]

Answer: see below

Step-by-step explanation:

If this is a 6 sided die then the only possible roll that isnt an odd, a 2, or a 4 is 6.

The probability of something happening is also the probability of something not happening. So in order to not roll an odd, a 2 or a 4 in two rolls, you have to roll a 6 twice.

P = 1 - (1/6)(1/6) = 1 - (1/36) = (35/36)

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3 years ago

Which two numbers add up to 3 and are multiplied to 4

DedPeter [7]

There are no two numbers that will add up to 3 and when multiplied become 4.

However there are 2 numbers if you multiply them it is -4. And when you add them it is 3. Those two numbers would be 1 and -4

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3 years ago

For a certain online store, the distribution of number per hour is approximately normal with mean 1200 purchases and standard de

Advocard [28]

Answer: 16%

Step-by-step explanation:

When we have a normal distribution, the 100% of our sample will be placed in a "gaussian bell".

Where the middle of this bell coincides with the mean.

The mean, in this case, is 1200, and the standard deviation is 200.

In the image below you can see that between the points.

Mean + standard deviation and the end of the graph, we have:

13.5% + 2.35% + 0.15% = 16%

And particularly, if we want to know the percentage that exceed 1400, will be the same percentage above the mean plus the standard deviation.

mean = 1200

SD = 200

mean + standard deviation = 1200 + 200 = 1400.

Then the percentage that exceeds 1400 is equal to the percentage that we found above, then the correct option is C: 16%

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3 years ago

You lease a car with a 7.5% annual interest rate, what is the money factor?

VLD [36.1K]

Answer:

1.075

Step-by-step explanation:

cuz I said so

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3 years ago