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motikmotik
3 years ago
11

Round to the nearest hundredth: 0.631666666666667 0.574166666666667

Mathematics
2 answers:
zlopas [31]3 years ago
7 0

Answer:

0.63

0.57

This is the required answer hope it helps

Alika [10]3 years ago
3 0
The nearest hundredths place would be 0.63 and 0.57.
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Of the 80 boys polled at lunch, 55% say they play video games daily. According to the poll, how many boys play video games daily
alexdok [17]

55% = \frac{55}{100} = \frac{11}{20}

Multiply \frac{11}{20} by 80 and you will get how many boys play video games daily.

\frac{11}{20}*80=\frac{11}{1}*4=11*4=44

44 is the number of boys who play video games daily.

8 0
3 years ago
Construct the 95% confidence interval for the population mean using the appropriate distributions. a. A random sample of 50 peop
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Answer: 95% confidence interval would be (26.01,29.39).

Step-by-step explanation:

Since we have given that

n = 50

Mean = 27.7

Standard deviation = 6.12

We need to construct 95% confidence interval for the population.

so, z = 1.96

So, it becomes,

\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=27.7\pm 1.96\times \dfrac{6.12}{\sqrt{50}}\\\\=27.7 \pm 1.69\\\\=(27.7-1.69,27.7+1.69)\\\\=(26.01,29.39)

Hence, 95% confidence interval would be (26.01,29.39).

4 0
3 years ago
What value of d makes the equation 5d-3=2d+6 true?<br><br><br>I NEED HELP WITH THIS ASAP
Annette [7]

Answer:

the answer for this question is 3

5 0
3 years ago
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there are 121 boys and 116 girls signed up for a felid trip the leader first makes grops of nine students and assign the remaini
valentina_108 [34]

Answer:

22 groups of ten

Step-by-step explanation:

121 plus 116 = 237

237 - 9 = 228

lets split 228 into parts

200

20

8

there are 20 groups of ten in 200

2 groups of ten in 20

and 8 has 0 it is a remainder

20 groups plus 2 groups = 22

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this probobly isn't the easiest way but I don't know how but this is my thought process.

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3 years ago
What are the x-intercepts for the function below? y= (x – 3) (x + 7)<br>​
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Answer:

x-intercept(s): (3,0) and (-7,0)

(y intercepts- (0,-21)

Step-by-step explanation:

4 0
2 years ago
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