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3 years ago

What is the landing strip’s area ?

Mathematics

1 answer:

attashe74 [19]3 years ago

5 0

Answer:

Step-by-step explanation:

The perimeter P of a rectangle is calculated as

P = 2l + 2w ( l is the length and w the width ) , then

2l + 2(9) = 5364

2l + 18 = 5364 ( subtract 18 from both sides )

2l = 5346 ( divide both sides by 2 )

l = 2673

Then

A = lw = 2673 × 9 = 24057 m² → D

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Meth Barie's ice cream shop wants to decide whether to introduce a new ice cream flavor. They randomly selected 15 customers at

Marianna [84]

Answer:

Meth Barie's ice cream shop should not introduce the new ice cream flavor.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 4.01

Sample mean, $\bar{x}$ = 4.4

Sample size, n = 15

Alpha, α = 0.1

Sample standard deviation, s = 1.6 minutes

First, we design the null and the alternate hypothesis

$H_{0}: \mu \leq 4.01\\H_A: \mu > 4.01$

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

Formula:

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

Putting all the values, we have

$t_{stat} = \displaystyle\frac{4.4 - 4.0}{\frac{1.6}{\sqrt{15}} } = 0.968$

Option B) 0.968

Rejection region:

Now, $t_{critical} \text{ at 0.10 level of significance, 9 degree of freedom } = 1.345$

So the rejection region would be a value of t-statistic greater than 1.345.

Option B) t > 1.345

Conclusion:

Since,

$t_{stat} < t_{critical}$

We fail to reject the null hypothesis and accept the null hypothesis. Meth Barie's ice cream shop should not introduce the new ice cream flavor.

8 0

4 years ago

What is the slope of line that passes through the points -2,4 and 1,-1

GalinKa [24]

Answer:

-5/3

Step-by-step explanation:

-2 to 1 =3 x=3

4 to -1=5 y=-5

y/x slope=-5/3 or -1 2/3

4 0

3 years ago

How do i write 304,967,000 in word form

kakasveta [241]

Three hundred four million nine hundred sixty seven thousand

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4 years ago

Read 2 more answers

please help I have posted this question to many times I NEED help pleaseee- In a scatter plot that shows a positive association,

PtichkaEL [24]

Answer:

If the points cluster in a band from upper left to lower right, there is a negative correlation (if x increases, y decreases).

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3 years ago

Find the volume V of the resulting solid by any method. y = 10, y = x + 16/x, about the x = −2

faust18 [17]

Is this algebra question?

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4 years ago