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sammy [17]
3 years ago
13

Please solve this for me...

Mathematics
1 answer:
valkas [14]3 years ago
7 0

Answer:

Find the arc length.

2.30383461

Idk how to make this into degrees but i hope this helps... :3

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Multiple choice, plz help
babymother [125]
B will be the correct answer
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2 years ago
12+x=-3(4-x) help please
zubka84 [21]
<span>12+x=-3(4-x)
</span><span>12+x=-12 + 3x
3x - x = 12 + 12
2x = 24
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5 0
3 years ago
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An SRS of ten brands of breakfast cereals is tested for the number of calories per serving. The following data result: 185, 190,
Pepsi [2]

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 95% confidence interval estimate for the mean number of calories for servings of breakfast cereals is (195.3, 215.7).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • t is the critical value.
  • n is the sample size.
  • s is the standard deviation for the sample.

From the sample and the significance level of 0.05, we have that the parameters are given by:

\overline{x} = 205.5, s = 14.2, n = 10, t = 2.2622

Hence:

\overline{x} - t\frac{s}{\sqrt{n}} = 205.5 - 2.2622\frac{14.2}{\sqrt{10}} = 195.3

\overline{x} + t\frac{s}{\sqrt{n}} = 205.5 + 2.2622\frac{14.2}{\sqrt{10}} = 215.7

The 95% confidence interval estimate for the mean number of calories for servings of breakfast cereals is (195.3, 215.7).

More can be learned about the t-distribution at brainly.com/question/16162795

8 0
2 years ago
4. REINFORCE A recipe for lemonade call for 3 lemons for every 2 cups of water.
Oksanka [162]

Answer:

PLZ MARK BRAINLIEST!

The answer is below...Can you farther explain on the part "Find at least one ratio where one of the quan

a fraction or decimal."

Step-by-step explanation:

LEMONS .         CUPS

3              :               2 .  3/2

6            :                 4 .  6/4

9              :               6     9/6

12           :                 8 .    12/8

15        :                   10 .    15/10

5 0
3 years ago
1 + 5 • 2 + ( 1 + 3)2
Sergeeva-Olga [200]

Answer:

1+5(2)+2(1+3)

1+10+2+6

=19

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2 years ago
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