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SCORPION-xisa [38]
3 years ago
6

let's consider all possible rectangles with the same area of 30 sq inches. lets say that the height of this much rectangles y an

d the base is x. how would y depend on x
Mathematics
2 answers:
tatiyna3 years ago
8 0

Answer:

Step-by-step explanation:

area = xy = 30 in²

y = 30/x

Lapatulllka [165]3 years ago
6 0

Answer:

30/x

Step-by-step explanation:

rsm

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2x+4-3x=-11 what is the answer
Pie
You want the xs and the numbers on different sides. 
2x-3x=-11-4
-x=-15
divide x by a -1
x=15
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Help give thanks stars
Lilit [14]
0.5a - 1.9b = -1.4 b
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Leah is paid semimonthly. How many fewer paychecks does she
snow_lady [41]

Answer:

Leah has 80 less paychecks than the weekly person.

Step-by-step explanation:

Leah is getting 24 paychecks in 2 years, Weekly person gets 104 paychecks in 2 years, 104 - 24 = 80 paychecks.

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Simplify:<br> 4-5-9<br> PLEASE HURRY!!! THANK U
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Answer:

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Step-by-step explanation:

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Breyers is a major producer of ice cream and would like to test if the average American consumes more than 17 ounces of ice crea
asambeis [7]

Answer:

The conclusion for this hypothesis test would be that the average American consumes less than or equal to 17 ounces of ice cream per month.

Step-by-step explanation:

We are given that Breyers is a major producer of ice cream and would like to test if the average American consumes more than 17 ounces of ice cream per month.

A random sample of 25 Americans was found to consume an average of 19 ounces of ice cream last month. The standard deviation for this sample was 5 ounces.

<u><em>Let </em></u>\mu<u><em> = average ounces of ice cream consumed by American per month</em></u>

So, Null Hypothesis, H_0 : \mu \leq 17 ounces     {means that the average American consumes less than or equal to 17 ounces of ice cream per month}

Alternate Hypothesis, H_A : \mu > 17 ounces    {means that the average American consumes more than 17 ounces of ice cream per month}

The test statistics that will be used here is <u>One-sample t test statistics</u> as we don't know about population standard deviation;

                                 T.S.  = \frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample average = 19 ounces

             s = sample standard deviation = 5 ounces

             n = sample of Americans = 25

So, <u><em>test statistics</em></u>  =  \frac{19-17}{\frac{5}{\sqrt{25} } }  ~ t_2_4

                               =  2

The value of the test statistics is 2.

<em>Now at 0.025 significance level, the </em><u><em>t table gives critical value of 2.06 at 24 degree of freedom for right-tailed test</em></u><em>. Since our test statistics is less than the critical values of t, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to </em><u><em>which we fail to reject our null hypothesis</em></u><em>.</em>

Therefore, we conclude that the the average American consumes less than or equal to 17 ounces of ice cream per month.

8 0
3 years ago
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