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4 years ago

Which statements are true about the value of the digits in the number 4,444,444

2 answers:

7 0

Both answers b and d are correct.
A digit in the hundred thousands place is 10x as big as the same digit in the ten thousands place
Also
A digit in the hundreds place is 1/10 the value of the same digit in the thousands place. I think

LiRa [457]4 years ago

7 0

Answer:

A digit in the hundred thousands place is 10x as big as the same digit in the ten thousands place

A digit in the hundreds place is 1/10 the value of the same digit in the thousands place.

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Please help me on my math homework?

stiks02 [169]

Number 1 is -4/3/8 here u go

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3 years ago

A simple random sample of 125 SAT scores has a mean of 1522. Assume that SAT scores have a population standard deviation of 335.

Fed [463]

Answer:

$1463.3\:$

Step-by-step explanation:

Since the population standard deviation $\sigma$ , is known, we use the z confidence interval for the mean.

This is given by:

$\bar X-z_{\frac{\alpha}{2} }(\frac{\sigma}{\sqrt{n} } )\:$

For a 95% confidence interval we use $z=1.96$ .

It was also given that: $n=125$ , $\bar X=1522$ and $\sigma=335$

Let us substitute the values to get:

$1522-1.96(\frac{335}{\sqrt{125} } )\:$

$1463.3\:$

<u>Interpretation:</u>

We can say with 95% confidence that the interval between 1463.3 and 1580.7 SAT scores contains the population mean based on the sample 125 SAT scores.

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3 years ago

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noname [10]

Answer:

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Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

A function of the form f(x) = aby is modified so that the b value remains the same but the a value is increased by 2.

stealth61 [152]

Answer:

A and C.

Step-by-step explanation:

It says that the a value increases by 2 but that still doesn't change the fact the graph is infinite. So the domain is still the same, and the range is still the same.

4 0

2 years ago

Read 2 more answers

Rick has a hole in his bucket. He fills up the five gallon bucket, and it then loses 5 ounces per hour. After how many hours wil

julsineya [31]

You would first have to convert 5 gallons into ounces. There are 128 ounces in 1 gallon. So 128×5= 640. Now you have 640 ounces. Since Rick is trying to see how many hours it will take to be half full, you divide. So 640÷2=320. Now you have 320 ounces. Now we can find out how many hours it will take by dividing by 5. So 320÷5=64. It will take 64 hours to get Rick's bucket to be half full.

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4 years ago