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Sergeeva-Olga [200]
3 years ago
11

PLZ HELP ITS DUE NOW NO LINKS

Mathematics
1 answer:
Leni [432]3 years ago
6 0

Answer:

show the options

Step-by-step explanation:

Brainliest?

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Does anyone understand how to do this ?
Drupady [299]

Answer:

1. y= 3√2, x=3

2. y= 14, x= 7√3

3. y= 4, x=4√3

5 0
3 years ago
A tire manufacturer is interested in testing the fuel economy for two different tread patterns. Tires of each tread type are dri
Minchanka [31]

Using the t-distribution, it is found that the 99% confidence interval for the difference is (0.058, 3.462).

We are given the <u>standard deviation for the samples</u>, hence, the t-distribution is used to solve this question.

The standard errors are given by:

s_A = \frac{1.79}{\sqrt{18}} = 0.4219

s_B = \frac{1.95}{\sqrt{18}} = 0.4596

For the distribution of differences, the <u>mean and the standard error</u> are given by:

\overline{x} = \mu_A - \mu_B = 23.95 - 22.19 = 1.76

s = \sqrt{0.4219^2 + 0.4596^2} = 0.6239

The interval is given by:

\overline{x} \pm ts

The critical value for a <u>two-tailed 99% confidence interval</u> with 18 + 18 - 2 = <u>34 df</u> is t = 2.7284.

Then:

\overline{x} - ts = 1.76 - 2.7284(0.6239) = 0.058

\overline{x} + ts = 1.76 + 2.7284(0.6239) = 3.462

The 99% confidence interval for the difference is (0.058, 3.462).

For more on the t-distribution, you can check brainly.com/question/16162795

3 0
3 years ago
Help pls show work if needed
Nutka1998 [239]
Each friend will get 4 carrots. Add up 7,5,4,1,3 and divide by 5
8 0
3 years ago
What is the answer to y=16
lord [1]
Y = 16.. If you are solving for Y then the answer is 16. Unless you didn't post the whole question, then I believe that is your answer.
3 0
4 years ago
Read 2 more answers
PLEASE HELP!! Please show your work in explanation no nonsense or blank answers please ;)
krok68 [10]

Answer:

r = 4.908

Step-by-step explanation:

V  = 885

height (given in the picture) = 11.7

V = \pi r^2h

V = (3.14)(r^2)(h)

885 = (3.14)(r^2)(11.7)

885/3.14/11.7 = r^2

Take the square root and you get 4.908.

8 0
4 years ago
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