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Anon25 [30]
3 years ago
5

What is 9 wholes and 8:3 in simplest form

Mathematics
1 answer:
Mila [183]3 years ago
3 0
It is 9 and 8:3.It is because 8 and 3 do not have any factors that are the same especially because 3 is a prime number.A prime number is a number that has only a factor of itself and 1
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Hello! I'm having a problem figuring out this problem: 6c-9d=111 5c-9d=103
avanturin [10]

Answer:

C=8

Step-by-step explanation:

   6c-9d=111

<u>-) 5c-9d=103</u>

   6c-5c=c

-9c+9c=0

111-103=8

(Negative+Negative=Positive)

          C=8

I need Brainliest!

8 0
3 years ago
A certain financial services company uses surveys of adults age 18 and older to determine if personal financial fitness is chang
IgorLugansk [536]

Answer:

b) Then z(s) is in the rejection region for H₀. We reject H₀. The p-value is smaller than α/2

c)CI 95 %  =  ( 0.00002 ;  0.09998)

Step-by-step explanation: In both cases, the size of the samples are big enough to make use of the approximation of normality of the difference of the proportions.

Recent Sample

Sample size    n₁  =  1000

Number of events of people with financial fitness more than fair

x₁  =  410

p₁ =  410/ 1000  =  0.4     then q₁ = 1 - p₁    q₁ =  1 -  0.4    q₁  = 0.6

Sample a year ago

Sample size    n₂ =  1200

Number of events of people with financial fitness more than fair

x₂  =  420

p₂  =  420/1200     p₂ = 0.35   q₂  =  1 - p₂    q₂  = 1 - 0.35   q₂ = 0.65

Test Hypothesis

Null Hypothesis                                  H₀              p₁  =  p₂

Alternative Hypothesis                      Hₐ              p₁  ≠  p₂

CI  95 % then significance level  α  =  5%   α  = 0.05    α/2  = 0.025

To calculate p-value:

SE  =  √ (p₁*q₁)/n₁  +  (p₂*q₂)/n₂

SE  =  √ 0.4*0.6/1000 +  0.65*0.35/1200

SE  =  √ 0.00024 + 0.000189

SE = 0.021

z(s) =  ( p₁ - p₂ ) / SE

z(s) = ( 0.4 - 0.35 )/0.021

z(s) = 0.05/ 0.021

z(s) =  2.38

We find p-value from z-table to be   p-value = 0.00842

Comparing

p-value with  α/2   = 0.025

α/2 >  p-value  

Then z(s) is in the rejection region for H₀. We reject H₀

CI 95 %  =  ( p₁  -  p₂ )  ±  2.38*SE

CI 95 %  =  ( 0.05 ± 2.38*0.021 )

CI 95 %  =  ( 0.05 ± 0.04998)

CI 95 %  =  ( 0.00002 ;  0.09998)

CI 95 % does not contain the 0 value affirming what the hypothesis Test already demonstrate

5 0
3 years ago
A human resource manager is researching the entry-level salary for a technician position. He determined that other companies in
rewona [7]

Answer:

$17.75 per hour is the average pay for an entry-level technical position.

Step-by-step explanation:

17.5 + 18.4 + 16.95 + 18.15 = 71

71/4 = $17.75

6 0
3 years ago
In gfc factor 24-9 and 14x+63
icang [17]

Answer:

7(2x+9)

3(8-3)

Step-by-step explanation:

14x+63

We can factor out a 7

7(2x+9)


24-9

We can factor out a 3

3(8-3)

4 0
3 years ago
Rosa can till 375ft of land in 15min what is Rosa's tilling rate
dedylja [7]
375 / 15 = 25 ft per minute <== Rosa's tilling rate
8 0
3 years ago
Read 2 more answers
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