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sasho [114]
3 years ago
14

Which angle (in radians) corresponds to 2/3 of a circle?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
8 0
\dfrac{2}{3}\cdot360^o=2\cdot120^o=240^o-in\ degres\\\\\dfrac{2}{3}\cdot2\pi=\dfrac{4}{3}\pi-in\ radians
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A researcher was testing the number of popcorn kernels that popped out of a mini bag of 100 kernels after being cooked for the s
Lelechka [254]

Answer:

The percentage of the bag that should have popped 96 kernels or more is 2.1%.

Step-by-step explanation:

The random variable <em>X</em> can be defined as the number of popcorn kernels that popped out of a mini bag.

The mean is, <em>μ</em> = 72 and the standard deviation is, <em>σ</em> = 12.

Assume that the population of the number of popcorn kernels that popped out of a mini bag follows a Normal distribution.

Compute the probability that a bag popped 96 kernels or more as follows:

Apply continuity correction:

P( X\geq 96)=P( X>96+0.50)

                 =P( X>96.50)\\=P(\frac{X-\mu}{\sigma}>\frac{96.50-72}{12})\\=P(Z>2.04)\\=1-P(Z

*Use a <em>z</em>-table.

The probability that a bag popped 96 kernels or more is 0.021.

The percentage is, 0.021 × 100 = 2.1%.

Thus, the percentage of the bag that should have popped 96 kernels or more is 2.1%.

3 0
3 years ago
Round to the place of the underlined digit. 340,790 The rounded value of the whole number from the underlined digit is 4th grade
uranmaximum [27]

Answer:300,000

Step-by-step explanation: if the 4 was a 5 or higher then the answer would’ve been 400,00 but since the number next to the underlined digit is 4 then it goes to 300,00. (4 or below leave it alone 5 or above give it a shove)

7 0
3 years ago
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HELP ASAP!! 100 POINTS!!<br><br> describe how you would plot the point (-4, 3)
fredd [130]

Answer:

Hi!

First you would start at -4 on the x-axis, then you would move up 3 spaces and put your point there.

The x-axis is the horizontal line, and the y-axis is the vertical line.

I hope this helps you!

6 0
3 years ago
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Explain the step in subtracting the polynomials below. <br><br> (7x3− x − 5) − (3x3+ 5x -1).
Crazy boy [7]

Answer:

It subtracts

Step-by-step explanation:

8 0
3 years ago
12.5 feet long weighs 158 pounds. How much does a piece of the same steel pipe 18.75
AveGali [126]

Answer:

237 pounds

Step-by-step explanation:

237 pounds

4 0
3 years ago
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