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3 years ago

Find the fractional part of a circle corresponding to 144 degrees

1 answer:

6 0

<span>If you change the percentage to a decimal fraction then Multiply 360 *the number of degrees in a circle* by the decimal fraction. The result is the angle measure of your pie slice For example, 10% would be a 36 degree angle. 25% would be a 90 degree angle. 17.5% would be 360 times .175 = 63 degrees</span>

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I really need help with this

LuckyWell [14K]

Answer:

photo math

Step-by-step explanation:

8 0

3 years ago

!help asap!

Ede4ka [16]

37+53=90 so 180-90=90
x=90

x= 180-(37+53)
x= 90 ✅

4 0

3 years ago

In a class of 30 students, 12 are girls. What percent of the class is girls

dexar [7]

Answer:

40%

Step-by-step explanation:

Total students = 30

No. of girls. = 12

Girls % = ?

Girls % = No. of girls/Total students * 100%

= 0.4 * 100

= 40%

5 0

3 years ago

A survey of

Zina [86]

Answer:

0.0208<p<0.0592

Step-by-step explanation:

-Given the sample size is 400 and the desired proportion is 16.

-The confidence interval can be determined as follows:

$CI=\hat p\pm z\sqrt{\frac{\hat p(1-\hat p}{n}}\\\\\hat p=x/n=16/400=0.04$

#We the use this proportion to find the CI at 95%:

$CI=0.04\pm 1.96\times \sqrt{\frac{0.04(1-0.04)}{400}}\\\\=0.04\pm 0.0192\\\\=[0.0208,0.0592]$

Hence, the 95% confidence interval is 0.0208<p<0.0592

7 0

3 years ago

All triangle angles have 60 degree angles. What are the side lengths?

Alex_Xolod [135]

If all the angles are 60 degrees, this is an equilateral triangle. This means that all the sides have the same lengths. Whatever length side a is, b and c have the same length.

Hope this helps :)

3 0

3 years ago

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