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snow_tiger [21]

2 years ago

11

ONE more question Ah

1 answer:

Setler [38]2 years ago

6 0

Answer: I don’t understand?

Step-by-step explanation:

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3x-5y=-6<br> -9x-5y=18<br> whats the answer

Firlakuza [10]

$\left \{ {{3x-5y=-6\ \ | *3} \atop {-9x-5y=18}} \right. \\\\ \left \{ {{9x-15y=-18} \atop {-9x-5y=18}} \right. \\+----\\add\ both\ equations\\\\
-20y=0\ \ \ | divide\ by \ -20\\\\
y=0\\\\
3x-5y=-6\ \ \ \ add\ 5y\\\\
3x=-6+5y\ \ \ | divide\ by\ 3\\\\
x=\frac{-6+5y}{3}=\frac{-6+0}{3}=-2\\\\ x=-2\\ y=0$

4 0

2 years ago

Read 2 more answers

Write the equation of the line passing through the points (−2,3) and (−1,−2) in Slope-Intercept and Point-Slope Form.

Annette [7]

Point slope form is y-3 = -5( x + 2 )

Slope intercept form is y= -5x - 7

5 0

2 years ago

An airplane has flown 260 miles out of a total trip of 500 miles.what fraction in simplest form of the trip has been completed?

lakkis [162]

i believe that the answer is 13/25

3 0

2 years ago

It took Mrs. Harpole 35 minutes to grade

stepladder [879]

Answer:

700 minutes or 11.67 hours

Step-by-step explanation:

35/4=8.75

8.75*80=700

8 0

3 years ago

How do you do 5+5?

steposvetlana [31]

Answer:

If you had 5 apples and Johnny gave you five more how much do you have? Lets count

10 OMG 5+5 is 10

6 0

3 years ago