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inessss [21]
3 years ago
5

Sunny made 2 pitchers of strawberry smoothies for the science club. If each person got One-fifth of a pitcher, how many science

club members are there?
2 area models. Both models are made up of 5 shaded parts.

Which statements are true?Check all that apply.
The correct division problem is One-fifth divided by 2.
The correct division problem is 2 divided by one-fifth.
The quotient isStartFraction 1 Over 10 EndFraction.
The quotient is 10.
There are 10 members in the science club.
There are StartFraction 1 Over 10 EndFraction members in the science club.
Mathematics
2 answers:
krek1111 [17]3 years ago
7 0

Answer:

Answer:

The anwser is 2

Step-by-step explanation:

1 for each person

PilotLPTM [1.2K]3 years ago
3 0

Answer:

The answers are B, D, and E.

Step-by-step explanation:

After I got it wrong the first two times on edge, It showed me the answer.

Have a good morning/afternoon/evening!

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Joyce old 218 cupcakes of lemonade at his lemonade stand. What is 218 rounded to the nearest tens
MAXImum [283]

220

from 218 the 1 is in the tens column. this is the figure that needs to be rounded.

using the following rule

If the digit after the 1 is ≥ 5 then round 1 up to 2

If the digit after the 1 is < 5 then the 1 remains as 1

here the digit after the 1 is 8 so the 1 in the ten's column becomes 2 and the 8 is replaced by 0

218 ≈ 220 ( to the nearest ten )


7 0
3 years ago
Timed math quiz help!
Crank

Answer:the rate of change is 35, the Cost of 7hrs is 300, and I haven’t got the initial fee yet, sorry

Step-by-step explanation:

3 0
3 years ago
Yael used to have a square garage with 254 ft2 of floor space. She recently built an addition to it. The garage is still a​ squa
Anna [14]

Answer:

120

Step-by-step explanation:

5 0
3 years ago
To estimate the mean height μ of male students on your campus,you will measure an SRS of students. You know from government data
nexus9112 [7]

Answer:

a) \sigma = 0.167

b) We need a sample of at least 282 young men.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

This Zscore is how many standard deviations the value of the measure X is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

(a) What standard deviation must x have so that 99.7% of allsamples give an x within one-half inch of μ?

To solve this problem, we use the 68-95-99.7 rule. This rule states that:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviations of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we want 99.7% of all samples give X within one-half inch of \mu. So X - \mu = 0.5 must have Z = 3 and X - \mu = -0.5 must have Z = -3.

So

Z = \frac{X - \mu}{\sigma}

3 = \frac{0.5}{\sigma}

3\sigma = 0.5

\sigma = \frac{0.5}{3}

\sigma = 0.167

(b) How large an SRS do you need to reduce the standard deviationof x to the value you found in part (a)?

You know from government data that heights of young men are approximately Normal with standard deviation about 2.8 inches. This means that \sigma = 2.8

The standard deviation of a sample of n young man is given by the following formula

s = \frac{\sigma}{\sqrt{n}}

We want to have s = 0.167

0.167 = \frac{2.8}{\sqrt{n}}

0.167\sqrt{n} = 2.8

\sqrt{n} = \frac{2.8}{0.167}

\sqrt{n} = 16.77

\sqrt{n}^{2} = 16.77^{2}

n = 281.23

We need a sample of at least 282 young men.

6 0
3 years ago
WHAT times what equal 319
matrenka [14]
11x29=319

hope this helps
6 0
3 years ago
Read 2 more answers
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