Answer:
( 11.7 , 12.7 )
Step-by-step explanation:
The provided information is:
Sample mean =
Standard deviation =
Sample size = n = 49
Significance level =
Thus, the 95% confidence interval is:
Answer:
<em><u>Given :-</u></em>
Two legs of a rt. triangle : 8 and 10 respectively.
<em><u>To find :-</u></em>
Length of the hypotenuse
<em><u>Solution :-</u></em>
Using Pythagorean Theorem;
(hypotenuse)² = (8)² + (10)²
= 64 + 100
hypotenuse = √164
= 12.8 units
Answer:
The answer is 38 red marbles are in the bin.
Step-by-step explanation:
Divide 76 by 2 to get your answer.
Plug in for x.
7(2y - 4) + 5y = -66
14y - 28 + 5y = -66
19y - 28 = -66
19y = -38
y = -2
Put it back into the equation.
2(-2) - 4 = -8
x = -8
The x-value is x = -8
I don't get it.
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