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Zarrin [17]
3 years ago
15

Somebody help thanks

Mathematics
1 answer:
slamgirl [31]3 years ago
6 0
Really simple, All you have to do is find out how many meters are in a kilometer, which is 1000 meters, and then you have to multiply 1000 with 190 which is 190000. Hope i helped!
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At Charles School, 1/5 of the 75 students in seventh grade play in the jazz band. How many seventh graders play in the jazz band
vfiekz [6]

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15

Step-by-step explanation:

7 0
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Margaret [11]

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Carl lives seven blocks away from Ann

Step-by-step explanation:

You start at Ann's house ( 0 ) 0+5+2=7

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How many solutions are in -2(6-3x)=-12+6x ?
o-na [289]

Answer:

For this equation there are infinite solutions.

Step-by-step explanation:

-2(6-3x)=-12+6x

-12+6x= -12 + 6x

-6                  -6

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4 0
3 years ago
Margin of error: 0.04; confidence level: 95%; from a prior study, bold p with bold overparenthesis on top is estimated by the de
GrogVix [38]

Answer: 235

Step-by-step explanation:

The formula to calculate the sample size  :-

n=(\hat{p}(1-\hat{p}))(\dfrac{z_{\alpha/2}}{E})^2

Given :  Estimated proportion \hat{p}=0.89

Margin of error : E=0.04

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2} =1.96

Now, the required sample size will be :-

n=(0.89(0.11))(\dfrac{(1.96)}{0.04})^2

\Rightarrow\ n= 235.057\approx235

Hence, the required minimum sample size = 235

6 0
3 years ago
Name a pair of fractions that use the least common denominator and are equivalent to 9/10 and 5/6
VikaD [51]

Answer:

The Lowest Common Denominator is 30 9/10 = 27/30 5/6 = 25/30



6 0
3 years ago
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