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algol13
2 years ago
14

Help me please

Mathematics
1 answer:
Nata [24]2 years ago
6 0

Answer:

-3 square root of 8 8/3 square root of 9

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Makayla and ember went shopping for clothes and spent 262.00 if the tax rate is 5% what is Makayla and ember’s total after tax?
Serjik [45]

262.00*1.05= $275.10

7 0
3 years ago
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find the margin of error to use for this sample mean sushi based on a sample of 35 people he average out of pieces of sushi a pe
NNADVOKAT [17]

Answer:

{13.7756,18.2244}

Step-by-step explanation:

Given the sample size, the margin of error can be calculated with the formula M=Z*\frac{\sigma}{\sqrt{n}} where Z is the critical value for the desired confidence level, σ is the population standard deviation, and n is the sample size. Therefore, our margin of error for a 90% confidence level is:

M=Z*\frac{\sigma}{\sqrt{n}}=1.645*(\frac{8}{\sqrt{35}})=2.2244

The formula for a confidence interval is CI=\bar{x}+M where x-bar is the sample mean. Therefore, the 90% confidence interval for the mean amount of sushi pieces a person can eat is:

CI=\bar{x}\pm[M]=16\pm2.2244={13.7756,18.2244}

Therefore, we are 90% confident that the true mean amount of sushi pieces a person can eat is contained within the interval {13.7756,18.2244}

7 0
3 years ago
How much is a one time investment of 250 be when invested at 6% for 40 years in compound annually
vova2212 [387]

Hi

6% increase is multiply by 1,06

done 40 times

so : 250* 1,06^40 = 2571 ,

7 0
1 year ago
Simplify this expression.<br><br> 6x2(3x)<br><br><br> A) 18x2<br> B) 18x3<br> C) 108x2<br> D) 108x3
Anon25 [30]
6x2 = 12
12x3 = 36
Answer:
A) 18x2 = 36
8 0
3 years ago
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If you travel 1000 feet in 5 minutes, what is your speed per minutes?
Papessa [141]

Answer: 200 feet

Step-by-step explanation:

1000feet/5feet= 200feet

6 0
2 years ago
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