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3 years ago

Can you please help me

Mathematics

1 answer:

Tanya [424]3 years ago

3 0

A. is (-5, -3)
You always name the coordinate by going left and right (along the x-axis) first and then up and down (the y-axis). That's because the first point in the coordinate is the x-coordinate and the second point is the y-coordinate.

You can remember this by thinking "you always walk to the elevator (left and right), before you ride the elevator (up and down)."
Or another saying is "You crawl (left and right) before you walk"

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Which is a correct first step in solving 5 – 2x < 8x – 3?

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Geri spent Friday, Saturday and Sunday selling a total of 24 magazines orders for her school.The amounts on those 3 days were co

ryzh [129]

The sale on Friday = x = 6

The sale on Saturday = x+2 = 6 + 2 =8

The sale on Sunday = x+4 = 6+4 =10

Step-by-step explanation:

Let x be the sale of Friday

Then

x+2 will be the sale of Saturday

x+4 will be the sale of Sunday

According to the given statement, that the total sales were 24

$x+(x+2)+(x+4) = 24\\x+x+2+x+4 = 24\\3x+6 = 24\\Subtracting\ 6\ from\ both\ sides\\3x+6-6=24-6\\3x=18\\Dividing\ both\ sides\ by\ 3\\\frac{3x}{3} = \frac{18}{6}\\x=6$

The sale on Friday = x = 6

The sale on Saturday = x+2 = 6 + 2 =8

The sale on Sunday = x+4 = 6+4 =10

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Y = 2x - 2

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I'll do substitution by solving for y:

y = 2x - 2

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