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Monica [59]
2 years ago
6

Find the highest common factor of 35 and 8C.

Mathematics
1 answer:
Kaylis [27]2 years ago
7 0

Answer:

Factors of 35 = 1, 5, 7 and 35

Factors of 8= 1, 2, 4, 8.

common = 1

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Round 129.392 to the nearest ten,one,tenth,and hundredth. I need help plz
Soloha48 [4]
Nearest ten=130
nearest one=129
nearest tenth= 129.4
nearest hundredth= 129.39
8 0
3 years ago
9=-7x+7x^2 Helppp please
8_murik_8 [283]

Answer:

x= 0.21428571428 or x=0.2

Step-by-step explanation:

-7x+7x^2=9  1. simplify 7x^2

-7x+ 7x(7x)=9   2. combine like terms

-7x+49x=9    3. combine like terms

42x=9           4. /42 on both sides

x= 0.21428571428 or x=0.2

8 0
2 years ago
The 2003 Statistical Abstract of the United States reported the percentage of people years of age and older who smoke. Suppose t
Paul [167]

Complete Question

The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and non smokers uses a preliminary estimate of the proportion who smoke of 0.30.

a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of 0.02? use 95% confidence.

b. Assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. What is the point estimate of the proportion of smokers in the population?

c. What is the 95% confidence interval for the proportion of smokers in the population?

Answer:

a

n = 2017

b

\^ p = 0.2578

c

0.238  <  0.278

Step-by-step explanation:

Considering question a

From the question we are told that

    The margin of error is  E = 0.02

     The preliminary estimate of the proportion who smoke is  p = 0.30

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.96

Generally the sample size is mathematically  represented as  

      n = [ \frac{Z_{\frac{\alpha }{2} }  }{E} ] ^2  *  p(1 - p )

=>   n = [ \frac{1.96  }{0.02} ] ^2  *  0.30(1 -  0.30  )

=>   n = 2017

Considering question b

 From the question we are told that

   The number of smokers  is  k =  520  

Generally the  point estimate of the proportion of smokers in the population is mathematically represented as

        \^ p =  \frac{520 }{2017 }

=>    \^ p = 0.2578

Considering  question c

Generally 95% confidence interval is mathematically represented as  

      \^ p -E <  p <  \^ p +E

=>   0.2578 - 0.02 <  0.2578 + 0.02

=>   0.238  <  0.278

7 0
2 years ago
The sum of two consecutive integers
Pie

Answer:

18 and 19

Step-by-step explanation:

n+(n+1)=36

2 x n+1=36

n>35/2

5 0
2 years ago
Read 2 more answers
HELLLLPPPP!!!!!! PLZZ
Shalnov [3]

Answer:

<u>Reflection over y-axis</u>

A'(5,-1)

L'(3,-2)

T(3,2)

<u>Translation</u>

A''(8,1)

L''(6,0)

T''(6,4)

6 0
3 years ago
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