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kolbaska11 [484]
3 years ago
15

Levis wants to buy cookies for his friends. The diameter of the cookie is 7 cm. What is the cookie's area?

Mathematics
2 answers:
Alexeev081 [22]3 years ago
7 0

Answer:

38.465

i used 3.14 for pi

Step-by-step explanation:

arlik [135]3 years ago
4 0

Answer:

180

Step-by-step explanation:

IF  you

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Use the distributive property on each side of the equation.​

Explanation:

PEMDAS

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A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distrib
Svetradugi [14.3K]

Given:

Sample Mean <span>= 30<span>
Sample size </span><span><span><span>= 1000</span></span><span>
</span></span></span>Population Standard deviation or <span><span><span>σ<span>=2</span></span><span>
</span></span>Confidence interval </span><span>= 95%</span>

to compute for the confidence interval

Population Mean or <span>μ<span><span>= sample mean ± (</span>z×<span>SE</span>)</span></span>

<span><span>where:</span></span>

<span><span>SE</span>→</span> Standard Error

<span><span>SE</span>=<span>σ<span>√n</span>= 30</span></span>√1000=0.9486

Critical Value of z for 95% confidence interval <span>=1.96</span>

<span>μ<span>=30±<span>(1.96×0.9486)</span></span><span>
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Upper Limit

<span>μ <span>= 30 + 1.8594 = 31.8594</span></span>

Lower Limit

<span>μ <span>= 30 − 1.8594 = <span>28.1406</span></span></span>

<span><span><span>
</span></span></span>

<span><span><span>answer: 28.1406<u<31.8594</span></span></span>

3 0
3 years ago
Many fans stood on a street that was 15 feet deep on both sides and about ¾ of a mile long. How many fans were in the street? "R
Gnom [1K]

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Step-by-step explanation:

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8 0
3 years ago
Please please help me
galben [10]

Answer:

yes the graph reflects over the y-axis because if you see in the y axis the line show that it is the pont to the axis

hope it helps

4 0
3 years ago
If you are driving on the freeway at 55 mph and you travel for 5 hours, how far will you have gone?
alina1380 [7]
275 because 55 times 5 equals 275 ! Hope this helps
8 0
2 years ago
Read 2 more answers
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