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3 years ago

Whatever it says and plz hurry i don’t wanna fail this quiz

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

6 0

Answer:

Read this passage from Through the Looking-Glass.

She looked at the Queen, who seemed to have suddenly wrapped herself up in wool. Alice rubbed her eyes, and looked again. She couldn't make out what had happened at all. Was she in a shop? And was that really—was it really a SHEEP that was sitting on the other side of the counter? Rub as she could, she could make nothing more of it: she was in a little dark shop, leaning with her elbows on the counter, and opposite to her was an old Sheep, sitting in an arm-chair knitting, and every now and then leaving off to look at her through a great pair of spectacles.

“What is it you want to buy?” the Sheep said at last, looking up for a moment from her knitting.

“I don't QUITE know yet,” Alice said, very gently. “I should like to look all round me first, if I might.”

“You may look in front of you, and on both sides, if you like,” said the Sheep: “but you can't look ALL round you—unless you've got eyes at the back of your head.”

The tone of this passage is best described as

serious and reflective.

scientific and factual.

light and romantic.

imaginative and humorous.Step-by-step explanation:

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Please help the game hates me

kiruha [24]

Answer:

negative

Step-by-step explanation:

a positive divided by a negative is a negative

8 0

3 years ago

The length of a side of a cube is 4x units. In cubic

Sever21 [200]

Answer:

Option A. 64x^3

Step-by-step explanation:

From the question, we were able to obtain the following:

L = 4x

In cubic units,

Volume = L^3

Volume = (4x)^3

Volume = 64x^3

6 0

3 years ago

A pathologist knows that 14.9% of all deaths are attributable to myocardial infarctions (a type of heart disease). (Either you h

garik1379 [7]

Answer:

a) The mean number is 745 and the standard deviation is 25.18.

b) 896 deaths is a significantly high number, which means that there is cause for concern.

Step-by-step explanation:

For each death, there are only two possible outcomes. Either it is attributable to myocardial infarctions, or it is not. The probability of a death being attributable to myocardial infarctions is independent of other deaths. 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:

$E(X) = np$

The standard deviation of the binomial distribution is:

$\sqrt{V(X)} = \sqrt{np(1-p)}$

A value X is significantly high is:

$X > E(X) + 2\sqrt{V(X)}$

In this problem:

$p = 0.149, n = 5000$

a. Find the mean and standard deviation for the number of such deaths that will occur in typical region with 5000 deaths.

$E(X) = np = 5000*0.149 = 745$

$\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{5000*0.149*0.851} = 25.18$

The mean number is 745 and the standard deviation is 25.18.

b. In one region, 5000 death certificates are examined, and it is found that 896 deaths were attributable to myocardial infarction. Is there cause for concern? Why or why not?

Is 896 a significantly high number?

$E(X) + 2\sqrt{V(X)} = 745 + 2*25.18 = 795.36$

895 > 795.36

896 deaths is a significantly high number, which means that there is cause for concern.

6 0

3 years ago

I NEED HELP ASAP! WILL MARK BRAINLIEST!!!!!

madreJ [45]

What is the actual question? If it is asking what the rate represents, it represents speed since speed since speed is the rate of change of distance over a period of time.

3 0

3 years ago

Last year, the volleyball team paid $5 pair for socks and $17 per pair for shorts on a total purchase of $315. This year they sp

vivado [14]

Answer:

Option E is correct.

12 pairs of socks and 15 pairs of shorts did team buy each year.

Step-by-step explanation:

Let the number of pairs of socks be x and the number pairs of shorts be y.

As per the statement:

Last year, the volleyball team paid $5 pair for socks and $17 per pair for shorts on a total purchase of $315.

⇒ $5x+17y = 315$ .....[1]

It is also given that: This year they spent $342 to buy the same number of socks and shorts, because the socks now cost $6 a pair and the shorts cost $18.

⇒ $6x + 18y = 342$ .....[2]

Multiply equation [1] by 6 both sides we get;

$30x+102y = 1890$ .......[3]

Multiply equation [2] by 5 both sides we get;

$30x +90y = 1710$ .....[4]

Subtract equation [4] from [3] we get;

$12y =180$

Divide both sides by 168 we get;

y = 15

Substitute the given values of y =15 in [1] we get;

5x+17(15) = 315

5x + 255 = 315

Subtract 255 from both sides we get;

5x = 60

Divide both sides by 5 we get;

x = 12

Therefore, 12 pairs of socks and 15 pairs of shorts did team buy each year.

3 0

3 years ago