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3 years ago

1. What is the median of the data below? 2. What is the value at Q1 (or the lower quartile)?

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

8 0

Answer:

the median is the middle line

Step-by-step explanation:

Alenkasestr [34]3 years ago

8 0

Answer:

fkjshfkjdhfjksdhfjkshdfkjshd

Step-by-step explanation:

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This is confusing (2x+y)^2−(x−2y)^2

Iteru [2.4K]

Answer:

${(2x + y)}^{2} - {(x - 2y)}^{2}$

$< {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} >$

$< {(x - y)}^{2} = {x}^{2} - 2xy + {y}^{2} >$

${(2x)}^{2} + 2(2x)(y) + {(y)}^{2} - {(x)}^{2} - 2(x)(2y) + {(2y)}^{2}$

${4x}^{2} + 4xy + {y}^{2} - {x}^{2} - 4xy + {4y}^{2}$

${4x}^{2} - {x}^{2} + {4y}^{2} + {y}^{2}$

$= {3x}^{2} + {5y}^{2}$

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3 years ago

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Find the equation of the line passing through the points (2, 4) and (3, 2). y = [? ]x + [ ]

PtichkaEL [24]

Answer:

first find slope m

m=(4-2)/(2-3)

m= -2

so equation line is

y-y1=m(x-x1)

y-4=-2(x-2)

y-4=-2x+4

y=-2x+4+4

y=-2x+8

?=-2

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3 years ago

Which term below correctly completes the following sentence?

Norma-Jean [14]

Answer:

Step-by-step explanation:

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3 years ago

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I need help and steps of how u got it

Gnom [1K]

Answer:

A) 4

Step-by-step explanation:

There are a couple of ways to get this but this is how I did it:

1. Multiply the second equation by 1/4 to get the same fraction for y as the one in the first equation

1/4 x + 1/8 y = 2

1/4 (1/3 x + 1/2 y = 4)

1/12 x + 1/8 y = 1

2. Subtract the first equation from the new equation

1/12 x + 1/8 y = 1

- 1/4 x - 1/8 y = -2

-1/6 x= -1

3. Divide both sides by -1/6

-1/6 x= -1

-1/6 -1/6

x = 6

4. Substitute 4 in for x in the original equation:

1/4 (6) + 1/8y = 2

6/4 + 1/8y = 2

1/8y = 1/2

y = 4

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3 years ago

June 14th Jim Thompson Homework

pogonyaev

Seriously, how do those two images put on brainly? :/

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2 years ago

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