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4 years ago

Please help me... i need it right now!

Mathematics

1 answer:

vovikov84 [41]4 years ago

8 0

Yo sup??

I guess the answer should be

=l²-πl²/4

=l²-0.783l²

=0.215l²

Hope this helps.

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Scott puts some sports in rowhe makes 6 rows with 5 stickers in each row.If he puts the same number of stikers in 5 equal row ho

igomit [66]

We know that Scott has put 6 rows with 5 stickers each.

The total number of stickers available with Scott = 5*6 = 30 stickers

These 30 stickers are now placed in 5 rows with equal number of stickers in each row.

Number of stickers in each row= Total number of stickers available/number of rows

Number of stickers in each row = 30/5 = 6 stickers

Number of stickers in each row now would be = 6 stickers

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4 years ago

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kkurt [141]

Answer:

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4 years ago

Read 2 more answers

Use conversion factors to convert . Write the factor you used . 5 quarts to cups

34kurt

A quart is 4 cups. 5(4)=20 cups in a pint

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3 years ago

Results of a survey conducted in 15 large cities within the U.S. finds that the average commute time one way to/from work is 25.

irina1246 [14]

Answer:

We conclude that commute time in her city is less than the amount reported by the survey which is 25.4 minutes.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 25.4 minutes

Sample mean, $\bar{x}$ = 22.1 minutes

Sample size, n = 15

Alpha, α = 0.10

Sample standard deviation, s = 5.3 minutes

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 25.4\text{ minutes}\\H_A: \mu < 25.4\text{ minutes}$

We use one-tailed t(left) test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{22.1 - 25.4}{\frac{5.3}{\sqrt{15}} } = -2.411$

Now, $t_{critical} \text{ at 0.10 level of significance, 14 degree of freedom } = -1.345$

Since,

$t_{stat} < t_{critical}$

We fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there is enough evidence to conclude that commute time in her city is less than the amount reported by the survey which is 25.4 minutes.

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4 years ago

Which descsription means the same as this limit expression?

Nady [450]

Answer:

Step-by-step explanation:

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3 years ago