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Slav-nsk [51]
3 years ago
11

How is -25 a rational number?​

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

because it can be expressed by a quotient

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In a recent health survey, 333 adult respondents reported a history of diabetes out of 3573 respondents. What is the critical va
adoni [48]

Answer:

The critical value for the 90% confidence interval is Z_c = 1.645.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

90% confidence level

So \alpha = 0.1, z is the value of Z that has a p-value of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The critical value for the 90% confidence interval is Z_c = 1.645.

6 0
3 years ago
Highlight an expression equivalent to 25 + 40 5 (5 x 8) 5 (5 + 8) (5 x 5) x (5 x 8) (5 + 5) x (5 + 8) 2) EXPLAIN! How did you kn
nirvana33 [79]
Umm I think if you calculate it it will be 129,929
6 0
3 years ago
PLEASE HELP ASAP
VARVARA [1.3K]

Answer:

okok so the anwser is 1+1

Step-by-step explanation:

1 and add another is 2

boom.

:)

3 0
3 years ago
3 less then twice a number is -31. What is the number ?
Kruka [31]

well without exact answer choices i have narrowed it down to these numbers

-37

-36

-35

-34

-33

-32

sorry about my lack of knowing this exact answer but that should narrow it down unless i went about this question wrong

5 0
4 years ago
F(x) = x² + 3x, g(x) = 5x + 2, (f - g)(3) = ?
ad-work [718]

Answer:

1

Step-by-step explanation:

f(x) = x² + 3x

g(x) = 5x + 2

f(3) = 3² + 3 x 3

f(3) = 9 + 9

f(3) = 18

g(3) = 5(3) + 2

g(3) = 15 + 2

g(3) = 17

(f - g)(3) = 18 - 17

(f - g)(3) = 1.

6 0
2 years ago
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