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IgorC [24]
3 years ago
6

X+3y=5 2x-3y=1 substitution method

Mathematics
1 answer:
Dafna1 [17]3 years ago
5 0
Simplify the right side. 
x = -2x + 6
y = \frac{2x}{3} -  \frac{1}{3}

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PLEASE HELP FAST!! and also please show your work!!
Maru [420]

Answer:

a

Step-by-step explanation:

w+3=-4*3

or,w+3=-12

or,w=-12-3

w=-15

3 0
3 years ago
Pls help me, I really dont understand
Stella [2.4K]

Answer:

-2.5x-.5

y=\frac{2}{3}x-1

draw the dotted line (3/7)x-3 and shade below it

Step-by-step explanation:

First, we need the slope

Use the slope formula:

\frac{Y_2-Y_1}{X_2-x_1}=\frac{2-(-8)}{-1-3}=\frac{10}{-4}=-2.5

so we have

y= -2.5x+b

Solve for b by plugging in coordiantes

-8= -2.5(3)+b

-8= -7.5+b

b= -.5

Put it together and get -2.5x-.5

2.)

A line is parallel to another line if they have the same slope (and different y intercepts)

So in the formula y=mx+b we knowe that m= 2/3

Now it's just a matter of solving for B

plug in the required coordinate to do this

-1=(2/3)*0+b

-1= b

Put it all together to get

y=\frac{2}{3}x-1

3.)

put this into slope intercept form

3x-7y>21

3x-21 > 7y

(3/7)x-3 >y

To graph this just draw a dotted line with the equation (3/7)x-3 and shade everything below it (use de_smos if you're stuck)

7 0
4 years ago
Help ASAP please! I dont understand.
igomit [66]

All of the box numbers are decide by the bottom numbers. Ex: 3+4=7, the top box is seven above 3 and 4. So you would add 16 and 17 which is 33. The answer is 33.

7 0
3 years ago
Read 2 more answers
PLEASE HELP FAST ITS MULTIPLE CHOICE!!! I WILL GVIE BRAINLIST ALONG WITH 10 POINTS! Answer only if you know thanks!
ss7ja [257]

Answer:

answer is the question is3

5 0
3 years ago
Read 2 more answers
Pleace answer importaint!!!
drek231 [11]

Answer: perimeter = 302m

area = 5544m^2

Step-by-step explanation:

perimeter = 2(l + b)

= 2(63 + 88)

= 2 x 151

= 302 m

Area = l x b

= 88 x 63

= 5544 m^2

Hope it helped u,

pls mark as the brainliest

^_^

4 0
3 years ago
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