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hoa [83]
3 years ago
6

find the critical t value for each of the following confidence intervals: 90% confidence interval when n = 20

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0
The answer is n=40 and that’s because bxndndns
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Which answers are equal to the expression below? Check all that apply PLEASE WILL GIVE BRAINLIEST
kramer

Answer:

B., D., E.

Step-by-step explanation:

\sqrt{9} \cdot \sqrt{100} =

= \sqrt{9 \cdot 100}      This is choice B.

= \sqrt{900}          This is choice E.

= 30              This is choice D.

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Katena32 [7]

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If a and b are rational numbers and 6/(3√2-2√3 ) = a √2-b √3 , then find the values of a and b.
eduard

Answer:

=3–√−13–√+1⋅3–√−13–√−1

=(3–√−1)23–√2−12

=3–√2+12−23–√3−1

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Step-by-step explanation:

6 0
3 years ago
If f(x) = 10 + 2x and g(x) = 6x + 5, then (f+ g)(x) =
Alexxandr [17]

Answer:

8x +15

Step-by-step explanation:

f(x) = 10 + 2x and g(x) = 6x + 5

(f+ g)(x) =  10 + 2x + 6x + 5

Combine like terms

              = 8x +15

7 0
3 years ago
Read 2 more answers
Josh is a car salesman. He gets an annual salary of $45,000 plus a commission, C, of $250 for every car he sells. Which equation
daser333 [38]
Since he has an annual salary, the salary stays the same, making it the y intercept.
As for 250, it goes to every car he sells, making it the slope
S = y + mc (y = y intercept, m = slope)
Plug in the values to see

Solution: A. 45,000 + 250C
8 0
2 years ago
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