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Rasek [7]
3 years ago
8

5x + 3y = -3 2X - 3y = 24

Mathematics
2 answers:
gregori [183]3 years ago
5 0

Answer:

Y=-5/3x-1

y=2/3x-8

If you are adding then it is:

7x=21

x=3

Step-by-step explanation:

5x+3y=-3

3y=-5x-3

y=-5/3-1

2x-3y=24

-3y=-2x+24

y=2/3x-8

geniusboy [140]3 years ago
3 0

Answer:

If you add the two equations, you get

-5x = -10

Step-by-step explanation:

it might be wrong

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In-s [12.5K]

Look at the picture.

ZY = 5+3=8

For XY and ZX use the Pythagorean theorem.

XY^2=3^2+4^2\\\\XY^2=9+16\\\\XY^2=25\to XY=\sqrt{25}\\\\XY=5

ZX^2=5^2+4^2\\\\ZX^2=25+16\\\\ZX^2=41\to ZX=\sqrt{41}

The perimetero fo XYZ:

P_{\triangle XYZ}=8+5+\sqrt{41}=\boxed{13+\sqrt{41}}

7 0
3 years ago
Weather affects flights across the nation, causing delays, cancellations, and general disruption to the NAS. You have gathered a
hammer [34]

Answer:

a.) one sample t test

b.) H0 : μ = 59.3

c.) H1 : μ > 59.3

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Test statistic = 3.16

Step-by-step explanation:

Given the sample data:

49.00 49.00 49.00 49.00 49.00 63.00 63.00 63.00 63.00 63.00 199.00 199.00 199.00 199.00 199.00 38.00 38.00 38.00 38.00 38.00 48.00 48.00 48.00 48.00 48.00 49.00 63.00 199.00 38.00 48.00

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Using calculator :

xbar from the data above = 79.4

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(Xbar - μ) ÷ (σ/sqrt(n)

σ = 34.83

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4 0
2 years ago
In particular, OLS for the multiple regression model involves selecting parameters that will minimize:___________
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Cheers

8 0
3 years ago
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Vinvika [58]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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stepan [7]

Answer:

$4,316

Step-by-step explanation:

Semester one: $166 per credit times 13 hours = $2,158

Semester two: $166 per credit times 13 hours = $2,158

Cost for semester one plus semester two = $4,316

7 0
2 years ago
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