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3 years ago

PLEASE HELP ME I WILL BRAINLIST YOU

Mathematics

1 answer:

Nataliya [291]3 years ago

5 0

I say about 46 or 28 feet hope this help mark as. Brainlist

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two books have a total of 500 pages one book has 350 pages more than the other.Find the number of pages of each book.

Greeley [361]

Answer:

150+350

the other book has 150

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3 years ago

Final exam scores are normally distributed with a mean of 74 and a standard deviation of 6. Approximately, what percentage of fi

notka56 [123]

Answer:

81.86%

Step-by-step explanation:

We have been given that final exam scores are normally distributed with a mean of 74 and a standard deviation of 6.

First of all we will find z-score using z-score formula.

$z=\frac{x-\mu}{\sigma}$

$z=\frac{68-74}{6}$

$z=\frac{-6}{6}=-1$

Now let us find z-score for 86.

$z=\frac{86-74}{6}$

$z=\frac{12}{6}=2$

Now we will find P(-1<Z) which is probability that a random score would be greater than 68. We will find P(2>Z) which is probability that a random score would be less than 86.

Using normal distribution table we will get,

$P(-1$

$P(2>Z)=.97725$

We will use formula $P(a$ to find the probability to find that a normal variable lies between two values.

Upon substituting our given values in above formula we will get,

$P(-1$

Upon converting 0.81859 to percentage we will get

$0.81859*100=81.859\approx 81.86$

Therefore, 81.86% of final exam score will be between 68 and 86.

3 0

3 years ago

Which is greater. A bottle containing 40 fluid ounces or a bottle containing 1 liter of water.

Anna35 [415]

They are both super close but one 40 ounces would be a lil greater

8 0

3 years ago

Alan rewrites a fraction less than 1 as a decimal. The numerator is a whole number greater than 0. For which denominator will th

sammy [17]

The fraction always converts to a terminating decimal with 16 as the denominator. The dividing operation by 2 always leads to an integer or a terminating decimal. Therefore, a fraction with 16 as the denominator always converts to a terminating decimal because 16 is an exponential number of 2 (16= 2^4)<span>.</span>

3 0

3 years ago

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What is 13 x 7? Show your work!

Olin [163]

Answer:

Step-by-step explanation:

This is the answer, I took a pic of the work

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3 years ago

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PLEASE HELP ME I WILL BRAINLIST YOU ​

PLEASE HELP ME I WILL BRAINLIST YOU