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zysi [14]
3 years ago
7

Mike cuts a pie into 4 equal pieces. What is the angle measure of each piece

Mathematics
2 answers:
AleksandrR [38]3 years ago
7 0

Answer:

90 degrees because when you cut each of them they will each measure 90 degrees.

malfutka [58]3 years ago
5 0

Answer:

90°

hope this helps :)

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How do I solve 12 < 4 + 2p
blondinia [14]

Answer:

p > 4

Step-by-step explanation:

-2p < 4 - 12

Calculate^

-2 p < -8

Divide Both sides by -2^

And your answer is p > 4

6 0
3 years ago
Read 2 more answers
In recent years more people have been working past the age of 65. In 2005, 27% of people aged 65–69 worked. A recent report from
Taya2010 [7]

Answer:

a) The point estimate of the proportion of people aged 65–69 who are working is p=0.3 or 30%.

b) We can express this null and alternative hypothesis as:

H_0: \pi=0.27\\H_1:\pi\neq0.27

c) We conclude that there is not enough evidence that the proportion of people aged 65–69 who are working has increased from 2005.

Step-by-step explanation:

a) Develop a point estimate of the proportion of people aged 65–69 who are working

If we take into account the sample taken, the point estimate is

p=\frac{180}{600} =0.3

b) Set up a hypothesis test so that the rejection of h0 will allow you to conclude that theproportion of people aged 65–69 working has increased from 2005

To conclude some claim, we have to reject the null hypothesis. In this case, to claim that the proportion has changed and the mean is no longer 27%, we have to reject the null hypotesis that π=0.27.

We can express this null and alternative hypothesis as:

H_0: \pi=0.27\\H_1:\pi\neq0.27

c) Conduct your hypothesis test using α=0.05. What is your conclusion?

First we calculate the standard deviation, as we will need it to calculate the test statistic:

\sigma=\sqrt{\frac{\pi(1-\pi)}{N} } =\sqrt{\frac{0.27(1-0.27)}{600} }=0.01812

In this case, we have a test statistic of

z=\frac{p-\pi-0.5/N}{\sigma} =\frac{0.3-0.27-0.5/600}{0.01812}=1.61

If we take into account that it is a two-tailed test, P-value for z=1.61 is P=0.1074.

As the P-value is bigger than the significance level, the effect is not statistically significant, so the hypothesis can not be rejected.

We conclude that there is not enough evidence that the proportion of people aged 65–69 who are working has increased from 2005.

8 0
3 years ago
Read 2 more answers
Explain what a positive and negative number means in this situation
jeyben [28]

Answer:

in this situation it would be to subtract

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Carson bought 3.9 pounds of chocolate cashrews for $15.84. About how much was the cost per pound?
natita [175]

Answer: $9.87

Step-by-step explanation: To find the average add both 15.84 + 3.9 and you get 19.74

Divide 19.74 by 2 you get $9.87

~ Komaljeet (I hope this helped)  ♥

6 0
3 years ago
Evaluate the following function for f(4). F(x)=2x-12
ozzi
F(x)= 2(4)-12
F(x)= 8-12
-4 is the answer
4 0
2 years ago
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