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Gemiola [76]
3 years ago
8

Last vff year Luis read 187 books.This year he read 224 books. Next year he wants to read 285 books. If he reaches his goal how

many books will luos have read
Mathematics
1 answer:
saul85 [17]3 years ago
7 0

Answer:

696 books.

Step-by-step explanation:

Given information:

Last year Luis read = 187 books

This year he read = 224 books

Next year he wants to read = 285 books

If he reaches his goal, then the number total books he will have read is

Total books = Last year books + This year books + Next year books

                    = 187+224+285

                    =696

Therefore, he will have read total 696 books.

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VladimirAG [237]

The correct statement is test is reliable and authentic as the probability of no false positives is more than 0.5

Given that

H_o:P= 0.50\\\\H_1:P>0.50

Now following calculations to be done to reach out the conclusion

There is no false positive as

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= 94.5%

\hat P =0.945, n = 12

Now

z = \frac{\hat P - P}{\sqrt\frac{P(1-P)}{n} }\\\\=\frac{0.945-0.5}{\sqrt\frac{0.5\times0.5}{12} }  \\\\= 3.08

So

P value = P(z >3.08) = 0.0010

Therefore we can conclude that test is reliable and authentic as the probability of no false positives is more than 0.5

Learn more about the polygraph test here:

brainly.com/question/3790493

4 0
3 years ago
Kiera and Trina joined a gym. The gym offers two different payment plans. Kiera chose Plan 1 and pays $25 a month and no fee to
Lady_Fox [76]

Answer:

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t2 = $(10m + 100)

Step-by-step explanation:

Here we want to write equations

Kiera chose plan 1

$25 monthly and no joining fee

So the amount after m months will be 25 * m

t1 = $25m

Trina chose plan 2

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after m months , total payment will be

10(m) + 100 = $(10m + 100)

Thus t1 = $25m and t2 = $(10m + 100)

6 0
3 years ago
If 6 times a number is added to -4, the result is 10 times the number. Find the number.
andrew11 [14]

the number is - 1

let the number be n then 6 times the number is 6n and added to -4 is

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subtract 6n from both sides

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\frac{-4}{4} = n , hence n = - 1


5 0
3 years ago
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natka813 [3]

Answer:

option 3

Step-by-step explanation:

4x+8<-16

x<-6

4x+8_>-16

x_>-1

(it's more and equal .so the circle has to be shaded and move to the right of -1)

6 0
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