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2 years ago

7

Listed below are four different cases in which a comparison of means was conducted. match the case to the appropriate set of equ

ations needed to compare the means.

1 answer:

Rudiy272 years ago

4 0

Impossible to answer without diagram, please repost with diagram so we can help.

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Solve by Elimination<br> 2x+5y=9<br> 3x-5y=11

shepuryov [24]

Answer:

x = 4 , y = ⅕

Step-by-step explanation:

2x + 5y = 9 (1)

3x - 5y = 11 (2)

Add (1) and (2)

5x = 20

x = 4

Using (1), find y

2(4) + 5y = 9

5y = 1

y = ⅕

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2 years ago

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A line is represented by the equation ax+by=6<br><br> a.) when is the line parallel to the x-axis?

ohaa [14]

Hello :
the line parallel to the x-axis if : ( a = 0 and b <span>≠ 0)
for exemple : a = 0 and b= 3 the line has the equation ; y = 2</span>

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3 years ago

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Ivanshal [37]

Answer:

50 im sorry if im wrong

Step-by-step explanation:

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2 years ago

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Please help me <br> Find f(-4)

Katyanochek1 [597]

As x < 3, you would use the equation $x^{2} -5$
Plus in -4 for X and you would get $(-4)^{2} -5$
$(-4)^{2}$ is equal to 16.
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2 years ago

I'm stuck! help! please?

Alchen [17]

Answer:

x = 2

Step-by-step explanation:

2 to the second power is 4. 4 subtracted by 4 is zero.

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2 years ago