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ra1l [238]
3 years ago
7

The difference of the sample means of two populations is 34.6, and the standard deviation of the difference of the sample means

is 11.9. The 95% confidence interval lies between A) -11.9 B) -23.8 C) -35.7 D) -45.4 and A) 11.9 B) 23.8 C) 35.7 D) 45.4
Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Answer

23.8,23.8

Step-by-step explanation:

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The weight of a box varies directly as the volume of the box. If a 138-pound box has a volume of 23 gallons, what is the weight
kolezko [41]

Answer:

D. 150 pounds

Step-by-step explanation:

For be directly proportional, it has to be that as one value increases the other does it equally, so

If  138 pound box has a volume of 23 gallons for 25 gallons ?. For being directly proportional tha value must be higest

138  →  23                       x=\frac{25*138}{23} = 150

x      →  25

5 0
3 years ago
Part of a W-2 is shown.
sweet-ann [11.9K]

Answer:

$ 4466.83

Step-by-step explanation:

It says "Federal tax withhold" with the amount.

7 0
3 years ago
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When the definition of a function involves a fraction, the function is undefined at any value that would make the denominator of
QveST [7]

When the definition of a function involves a fraction, the function is undefined at any value that would make the denominator of the function is; a) 0

What is an Undefined Function?

A function that is a fraction is said to be undefined when the denominator is equal to zero. If there are variables in the denominator, the point at which the expression in the denominator is zero is the point where that function is undefined.

From the question, we want to know what the value of the denominator of a fraction will be to make that fraction undefined. From the definition above, it is clear that the value would be zero.

Read more about Undefined function at; brainly.com/question/13136492

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5 0
1 year ago
Question 6
kykrilka [37]

Answer:

m=Y2–Y1/X2–X1

m =    \frac{  - 9 - (6)}{1 - ( - 4)}  \\ m =  \frac{ - 15}{5}  =  - 3 \\ y = mx + b \\ y = - 3x + b

7 0
2 years ago
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2) Which two statements are not true?
GalinKa [24]

Answer:

A repeating decimal is not a rational number and The product of two irrational numbers is always rational

Step-by-step explanation:

One statement that is not true is "The product of two irrational numbers is always rational". Take for example the irrational numbers √2 and √3. Their product is √6 which is also irrational.

The other false statement is "A repeating decimal is not a rational number". Take for example the repeating decimal 0.33333..... It can be written as 1/3 which is a rational number.

3 0
2 years ago
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