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mel-nik [20]
3 years ago
11

6 times 9+6+9 =? Pls help

Mathematics
2 answers:
stiks02 [169]3 years ago
7 0
The answer to your problem is 144
Nata [24]3 years ago
6 0

144

If you add 9+6+9 is will give you 24 than you would times that by 6. So 9+6+9= 24 next 24×6=144.

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ed has 8 pieces of candy which represents 40% of all the candy in his home, how many pieces are in his home
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C = total number of candy
.4(c) = 8 pieces of candy
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7 0
3 years ago
A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. In a sample of 180 high school teache
trapecia [35]

Answer:

By using hypothesis test at α = 0.01, we cannot conclude that the proportion of high school teachers who were single greater than the proportion of elementary teachers who were single

Step-by-step explanation:

let p1  be the proportion of elementary teachers who were single

let p2 be the proportion of high school teachers who were single

Then, the null and alternative hypotheses are:

H_{0}: p2=p1

H_{a}: p2>p1

We need to calculate the test statistic of the sample proportion for elementary teachers who were single.

It can be calculated as follows:

\frac{p(s)-p}{\sqrt{\frac{p*(1-p)}{N} } } where

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  • p is the proportion of elementary teachers who were single (\frac{15}{100} =0.15)
  • N is the sample size (180)

Using the numbers, we get

\frac{0.2-0.15}{\sqrt{\frac{0.15*0.85}{180} } } ≈ 1.88

Using z-table, corresponding  P-Value is ≈0.03

Since 0.03>0.01 we fail to reject the null hypothesis. (The result is not significant at α = 0.01)

8 0
3 years ago
If the ratio of milk cartons to juice boxes is 13:x and there are 39 milk cartons
max2010maxim [7]
The answer is 6 because 39/13=3 and 18/3=6
8 0
2 years ago
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Step-by-step explanation:

5 0
3 years ago
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ioda

Answer:

18

Step-by-step explanation:

3 \times 2 \times 3

That will give you 18 which is the answer

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3 years ago
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