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weqwewe [10]
3 years ago
5

Can you help me with this?

Mathematics
1 answer:
horsena [70]3 years ago
7 0

Answer:

B

Step-by-step explanation:

it this answer

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max2010maxim [7]
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\dfrac{3^2\cdot3^4}{(-1)^2}=\dfrac{3^6}{1}=3^6=\boxed{729}

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SOLVE THIS QUESTION<br><br>​
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Step-by-step explanation:

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A ferry charges $30 per car plus $5 for each passenger in the car.
ad-work [718]
They have to pay the 30$ fee first then it depends on how many people are coming with you
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3 years ago
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Here are summary statistics for randomly selected weights of newborn​ girls: nequals202​, x overbarequals28.3 ​hg, sequals6.1 hg
Lorico [155]

Answer:

The confidence interval is 27.5 hg less than mu less than 29.1 hg

(A) Yes, because the confidence interval limits are not similar.

Step-by-step explanation:

Confidence interval is given as mean +/- margin of error (E)

mean = 28.3 hg

sd = 6.1 hg

n = 202

degree of freedom = n-1 = 202-1 = 201

confidence level (C) = 95% = 0.95

significance level = 1 - C = 1 - 0.95 = 0.05 = 5%

critical value corresponding to 201 degrees of freedom and 5% significance level is 1.97196

E = t×sd/√n = 1.97196×6.1/√202 = 0.8 hg

Lower limit = mean - E = 28.3 0.8 = 27.5 hg

Upper limit = mean + E = 28.3 + 0.8 = 29.1 hg

95% confidence interval is (27.5, 29.1)

When mean is 28.3, sd = 6.1 and n = 202, the confidence limits are 27.5 and 29.1 which is different from 27.8 and 29.6 which are the confidence limits when mean is 28.7, sd = 1.8 and n = 17

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3 years ago
Kara is making clothes for Pinkie Pie. Each outfit she makes requires 1/2 yard of fabric. How much fabric will she need for 5 ou
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2 1/2 yard

Step-by-step explanation:

if each outfit requires 1/2 just multiply it by 5

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