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Nina [5.8K]
3 years ago
14

25% of 124 is. Show your work

Mathematics
2 answers:
motikmotik3 years ago
4 0

Answer:

31

Step-by-step explanation:

1st- 25/100 times 124

2nd- reduce the fraction 1/4 times 124

3rd calculate!- 31

bazaltina [42]3 years ago
3 0

Answer:

25 percent of 124 is 31

25 percent is 25/100 so you multiply 0.25 times 124 which gives you 31

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Answer:

Step-by-step explanation:

Area of the circle = 1400π

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dA/dt = 2πr. dr/dt

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So. dr/dt = 900/2×π×10√14 = 45/π√14 m/sec.

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3 years ago
3p²q - 6pq² help me please .​
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Are 15/28 and 45/84 equivalent​
Butoxors [25]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
(3 points) A survey of 15651565 people who took trips revealed that 178178 of them included a visit to a theme park. Based on th
igor_vitrenko [27]

Answer:

We fail to reject the null hypothesis at 0.05 significance level. We cannot say that less than 12% of trips include a theme park visit.  

Step-by-step explanation:

let p be the proportion of trips included a visit to a theme park.

H_{0}: p=0.12

H_{a}: p<0.12

To test, we need to calculate test statistic of the sample proportion as:

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

  • p(s) is the sample proportion of trips included visit to a theme park (\frac{178}{1565}=0.1137
  • p is the proportion assumed under null hypothesis. (0.12)
  • N is the sample size (1565)

Using the numbers, z=\frac{0.1137-0.12}{\sqrt{\frac{0.12*0.88}{1565}}}

= −0.767 and p(z) is ≈0.222

Since 0.222 > 0.05 we fail to reject the null hypothesis.

3 0
3 years ago
4(2v-6)-12v<br> Topic Name<br> Using distribution and combining like terms to simplify: Univariate
iragen [17]

Answer:

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Step-by-step explanation:

8v-24-12v

-24+4v

3 0
3 years ago
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