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Elza [17]
2 years ago
11

I NEED HELP QUICK ITS DUE IN 10 MINUTES IM ABOUT TO FAIL PLEASE HELP FAST!!!!! WILL SHOWER WITH POINTS

Mathematics
1 answer:
Otrada [13]2 years ago
8 0

Answer:

f times two?

Step-by-step explanation:

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3x+y=15 <br> 3x-y=15 (using elimination method)
morpeh [17]

Answer:

x = 5

y = 0

Step-by-step explanation:

3x + y = 15

3x -y = 15

Add the two equations;

6x = 30

Inverse operations;

6x = 30

/6        /6

x = 5

Back substitute;

3(5) + y = 15

15 + y = 15

y = 0

5 0
3 years ago
Read 2 more answers
Explain why the intercepts, on their own, cannot be used to graph the relation 5x+9y= 0.
goldfiish [28.3K]
5x + 9y = 0

to find the x int, sub in 0 for y and solve for x
5x + 9(0) = 0
5x = 0
x = 0

to find the y int, sub in 0 for x and solve for y
5(0) + 9y = 0
9y = 0
y = 0

the reason u cannot use just the intercepts is because the line goes through the origin (0,0)....The intercepts coincide giving u only 1 point...and that is not enough to graph a line
3 0
3 years ago
Please somone helppppp
Lyrx [107]

Answer:

its an open circle on -2 and the line is to the right

Step-by-step explanation:

-2x=4

x=4/-2=-2

and the sign is the same and its an open dot because its not greater too or equal to

6 0
3 years ago
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How many solutions does this equation have?<br><br> –5(6y + 7) = –17y + 7 − 10y
aalyn [17]

Answer:

y=-14

Step-by-step explanation:

3 0
2 years ago
SOMEONE HELP ME PLEASE!<br> ¡ALGUIEN QUE ME AYUDE POR FAVOR!
marshall27 [118]
1 = 11
2 = 79
3 = 3
4 = -4
5 = 0
6 = 87. Are the awnsers
6 0
2 years ago
Read 2 more answers
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