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IceJOKER [234]
2 years ago
13

Which shape has ten sides and angles ​

Mathematics
2 answers:
oksian1 [2.3K]2 years ago
8 0

Answer:

Decagon has ten sides and angles.

hodyreva [135]2 years ago
5 0

Answer:

Decagon

Step-by-step explanation:

in the picture

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Answer pls i need help
Hitman42 [59]

Answer:

75

Step-by-step explanation:

the angles are vertical (I think that's the right term) so they are the same

6 0
2 years ago
20 POINTS!!!! will give more if verified
DaniilM [7]

Answer:

The bottom one. The side with the 12 x 5 side.

Step-by-step explanation:

12 x 5 =60. That is bigger than the other sides

4 0
2 years ago
Help me this is important
Karolina [17]
The third option is correct
7 0
3 years ago
Read 2 more answers
What is 2/9s of 630
maria [59]

Answer: its 18.27  

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
A market research team thinks that their new ad campaign is better than their old one. They used to be able to sell to 50% of th
andreev551 [17]

Answer:

a. The test statistic is 2 and we conclude that the new ad campaign is not signficantly better.

Step-by-step explanation:

They used to be able to sell to 50% of those who saw their ads. Test if the new campaign is better.

At the null hypothesis, we test is it is the same, that is, the proportion is the same.

H_0: p = 0.5

At the alternate hypothesis, we test if it is significantly better, that is, the proportion is above 50%.

H_1: p > 0.5

The test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

0.5 is tested at the null hypothesis:

This means that \mu = 0.5, \sigma = \sqrt{0.5*0.5} = 0.5

They take a random sample of 100 potential buyers and find that they convinced 60 of these people to buy their product.

This means that n = 100, X = \frac{60}{100} = 0.6

Test statistic:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{0.6 - 0.5}{\frac{0.5}{\sqrt{100}}}

z = 2

The test statistic is 2.

P-value of the test and decision:

The p-value of the test is the probability of finding a sample proportion above 0.6, which is 1 subtracted the by p-value of z = 2.

Looking at the z-table, z = 2 has a p-value of 0.9772.

1 - 0.9772 = 0.0228.

The p-value of the test is 0.0228 > 0.01, which means that we cannot conclude that the new ad campaign is signficantly better, so the correct answer is given by option A.

5 0
3 years ago
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