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MAVERICK [17]
3 years ago
7

What are the prime numbers​

Mathematics
2 answers:
NemiM [27]3 years ago
6 0

Answer:

2,3,5,7,11,13,17,19,23,29,31...

AysviL [449]3 years ago
5 0
Prime numbers are only divisible by 1 or itself; the first few are are 2, 3, 5, 7, and 11.
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Isabel wants a coat that costs $60. She has saved $42. What fraction of the amount she needs has she saved ?
notka56 [123]
Simple.....

you have this fraction...

\frac{42}{60}

simplify...

42/6=7
and
60/7=10

Thus...\frac{7}{10}

Thus, she has saved \frac{7}{10} of the money.
8 0
3 years ago
Five students visiting the student health center for a free dental examination during National Dental Hygiene Month were asked h
kirza4 [7]

Answer:

95% confidence interval for the mean number of months is between a lower limit of 6.67 months and an upper limit of 25.73 months.

Step-by-step explanation:

Confidence interval is given as mean +/- margin of error (E)

Data: 5, 15, 12, 22, 27

mean = (5+15+12+22+27)/5 = 81/5 = 16.2 months

sd = sqrt[((5-16.2)^2 + (15-16.2)^2 + (12-16.2)^2 + (22-16.2)^2 + (27-16.2)^2) ÷ 5] = sqrt(58.96) = 7.68 months

n = 5

degree of freedom = n-1 = 5-1 = 4

confidence level (C) = 95% = 0.95

significance level = 1 - C = 1 - 0.95 = 0.05 = 5%

critical value (t) corresponding to 4 degrees of freedom and 5% significance level is 2.776

E = t×sd/√n = 2.776×7.68/√5 = 9.53 months

Lower limit of mean = mean - E = 16.2 - 9.53 = 6.67 months

Upper limit of mean = mean + E = 16.2 + 9.53 = 25.73 months

95% confidence interval is (6.67, 25.73)

3 0
2 years ago
What is 9713 rounded to the place value
Akimi4 [234]
It could be 10000,9800,or 9710
6 0
3 years ago
While at the pumpkin farm, you also bought a taffy apple for $2.10, a pound of apples for $4.45 and a mum plant for $10.30. You
lbvjy [14]

Answer: B. $3.15

Step-by-step explanation: Hi! So first things you want to add all the things he bought together and then subtract it from the $20. I’m sorry if this isn’t right.

5 0
3 years ago
Read 2 more answers
Ashton answer this what is 8x8
yaroslaw [1]

Answer:

64

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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