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lara31 [8.8K]
3 years ago
5

Which expression has the same value as9

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0
B because it rounds
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According to (1.17), lei = 0 when regression model (1.1) is fitted to a set of n cases by the method of least squares. is it als
pychu [463]

solution:

\sum ei =0

that is  

\sum (yi-yiˆ)=0

means,

\sumyi = \sum yiˆ

yi = \alpha +\beta xi+ei

yiˆ=\alphaˆ+\betaˆxi

so,

\sumei=0

hence proved

4 0
3 years ago
Read 2 more answers
Explain how you could find the measurements of an enlargement if you know the ratio of the measurements of the original to the m
lord [1]

Answer:

showing bellow

Step-by-step explanation:

Let me use an exsample to show this.

Nash is making a framed enlargement of a Mary Cassatt postage stamp to present to a retired postmaster. He enlarges the stamp using a scale of 2 inches to 1 centimeter. If the actual length of the stamp is 3 centimeters and its width is 5 centimeters, what are the dimensions of the scale picture?

6 inches by 10 inches

Step-by-step explanation:

It tells us that the scale is 2 In: 1 cm so we know that for every centimeter long or wide the stamp is the enlardged scale is two inches.

2 times 3 is 6. 6 inches. we are multiplying two inches by the number of centimeter long it is.

5 times 2 is 10 inches. we are multiplying two inches by the number of centimeter wide it is.

therefore the enlarged stamp is 6 In by 10 In.

Hope this helps :)

4 0
2 years ago
A number is divisible by 2 if it can be divided by 2 without a remainder. Even numbers are divisible by 2 what is the greatest t
9966 [12]

Answer:

98

Step-by-step explanation:

I think it is 98 because it is even, and it is the second largest 2 digit number.

The largest 2 digit number, 99, isn't divisible by 2 because it is an odd number.

5 0
3 years ago
3⋅f(−4)−3⋅g(−2)????????
andrey2020 [161]
The answer to that is: -12f+6g
Hope this helps ;-)
4 0
3 years ago
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Simplify 5^2•(4+2^3)
Marta_Voda [28]

Remember to follow PEMDAS, and left -> right rule.

First, solve the Parenthesis:

(4 + 2^3)

Solve the exponent.

2^3 = 2 x 2 x 2 = 4 x 2 = 8

4 + 8 = 12

_______________________________________________________________

(5^2) x (12)

5^2 = 5 x 5 = 25

25 x 12

_______________________________________________________________

Multiply

25 x 12 = 300

________________________________________________________________

300 is your answer

________________________________________________________________

<em>~Rise Above the Ordinary</em>

3 0
3 years ago
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