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2 years ago

Which expressions are equivalent to 4(4x + 2y + x − y)? (1 point)

1 answer:

Citrus2011 [14]2 years ago

5 0

=4(4x+2y+x-y)
=4*4x+4*2y+4*x-4*y
=16x+8y+4x-4y
=16x+4x+8y-4y
=20x+4y

donc la bonne reponse est la 3
4(5x+y)*
=4*5x+4*y
=20x+4y

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If Benito is selecting samples of five values from the table, which row will result in the greatest mean? Population Data Row 1

Vilka [71]

Answer:

4th row will result in the greatest mean.

Step-by-step explanation:

We are asked to find the row with greatest mean from our given rows.

We will use formula $\bar{x}=\frac{\Sigma x}{n}$ , where,

$\bar{x}=\text{Mean}$ ,

$\Sigma x=\text{Sum of all data values}$ ,

$n=\text{Number of data points in sample}$

Let us find mean of each row using above formula.

$\text{Mean of row 1}=\frac{4+2+2+3+3}{5}$

$\text{Mean of row 1}=\frac{14}{5}$

$\text{Mean of row 1}=2.8$

Therefore, mean of 1st row is 2.8.

$\text{Mean of row 2}=\frac{3+3+4+3+2}{5}$

$\text{Mean of row 2}=\frac{15}{5}$

$\text{Mean of row 2}=3$

Therefore, mean of 2nd row is 3.

$\text{Mean of row 3}=\frac{2+4+3+4+3}{5}$

$\text{Mean of row 3}=\frac{16}{5}$

$\text{Mean of row 3}=3.2$

Therefore, mean of 3rd row is 3.2.

$\text{Mean of row 4}=\frac{3+4+4+7+3}{5}$

$\text{Mean of row 4}=\frac{21}{5}$

$\text{Mean of row 4}=4.2$

Therefore, mean of 4th row is 4.2.

Since 4th row has the highest mean, therefore, 4th row will result in the greatest mean.

6 0

3 years ago

Read 2 more answers

A line has an x-intercept of 4 and a y-intercept of -2. What is the equation of the line?

Evgesh-ka [11]

Answer:

y=x/2-2

Step-by-step explanation:

it's actually 1/2 times x is how your supposed to write it (like a fraction)

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3 years ago

A) 4

Shkiper50 [21]

Answer:

i think c

Step-by-step explanation:

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3 years ago

. Your class is collecting bottled water for a service project. The goal is to collect 300 bottles of water. On the first day, M

kobusy [5.1K]

6x12=72
6x3=18
72+18=90
300-90=210
210 bottles

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3 years ago

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Rectangle Area = L x W Find the area of the rectangle if the width is 2 yards and the length is 4 yards

Firdavs [7]

Answer:

8 Yard

Step-by-step explanation:

Area Of Rectangle = L x W

=4 yards x 2 yards

=8 yards.

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4 years ago