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zzz [600]
3 years ago
12

PLEASE I NEED HELP NO LINKS!!!!!

Mathematics
1 answer:
alukav5142 [94]3 years ago
5 0
You would divide 4.6 from both sides of the inequality symbol to get x standing alone.
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Each letter represents a question answer
evablogger [386]

A. 2x+3x-6=10+4x

5x-6=10+4x

5x=16+4x

X=16

5 0
3 years ago
A circle with radius of 3cm sits inside a circle with radius of 11 cm? What is the area of the shaded region?
garri49 [273]

Answer:

3cm = 28.26

11cm = 379.94

3 x 3 x 3.14 = 28.26

11 x 11 x 3.14 = 379.94

hope this helps

8 0
3 years ago
According to a marketing research study, American teenagers watched 14.8 hours of social media posts per month last year, on ave
ki77a [65]

Answer:

The value of test statistics is 1.06.

Step-by-step explanation:

We are given that according to a marketing research study, American teenagers watched 14.8 hours of social media posts per month last year, on average. A random sample of 11 American teenagers was surveyed and the mean amount of time per month each teenager watched social media posts was 15.6. This data has a sample standard deviation of 2.5.

We have to test if the mean amount of time American teenagers watch social media posts per month is greater than the mean amount of time last year or not.

Let, NULL HYPOTHESIS, H_0 : \mu = 14.8 hours  {means that the mean amount of time American teenagers watch social media posts per month is same as the mean amount of time last year}

ALTERNATE HYPOTHESIS, H_1 : \mu > 14.8 hours  {means that the mean amount of time American teenagers watch social media posts per month is greater than the mean amount of time last year}

The test statistics that will be used here is One-sample t-test;

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

where, \bar X = sample mean amount of time per month each teenager watched social media posts = 15.6 hours

             s = sample standard deviation = 2.5 hours

             n = sample of teenagers = 11

So, <u>test statistics</u> =  \frac{15.6 - 14.8}{\frac{2.5}{\sqrt{11} } } ~ t_1_0

                            = 1.06

Hence, the value of test statistics is 1.06.

5 0
3 years ago
What is 33 percent of 400
bearhunter [10]

Hi there :)


Answer: 33% of 400 is 132.


I found this answer because I multiplied 400 * 3 which equals 13,200.

then I divide 13,200 by 100 and then you will get your answer of 132.


I hope this helps you if you need any help, feel free to message me.


-Wolfs

7 0
3 years ago
Share
Anika [276]

Answer:

Step-by-step explanation:

7 0
2 years ago
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