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kow [346]
3 years ago
13

Please the answer for 45 46 number 47 please fast this is due yesterday I foroot i will give you brainlist

Mathematics
1 answer:
ser-zykov [4K]3 years ago
4 0

Answer:

I think you need to attach something

Step-by-step explanation:

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Which expression can be substituted for y in the top equation of the
maria [59]

Answer:

Y=7+3x, x=-3, y=-2

Step-by-step explanation:

3x-5y=1. Equation 1

3x-y=-7. Equation 2

-y=-7-3x isolate for y in equation 2

y=7+3x multiplied by -1 to get positive y

3x-5(7+3x)=1 substitute y value of equation 2 (7+3x) into equation 1

3x-35-15x=1

-12x=36

x=-3

solve for y.

3x-5y=1

3(-3)-5y=1

-9-5y=1

-5y=10

y=-2

6 0
3 years ago
What number should be added to both sides of the equation to complete the square?<br> х2 + 3x = 6
Daniel [21]
3/2^2 or 0.75 because you have to take the middle value (3), divide it in half, then square it. That would be 0.75.
8 0
3 years ago
This right? ppl giving me mixed answers<br>PlEASE HELPPPP​
almond37 [142]

Answer:

Uh yeah Its right...i think

Just make sure if its right

4 0
3 years ago
Does anyone know what x and y equal
Ket [755]
X=4 y=10
Because when you look at the intersection of the two lines they intersect at (4,10) (x,y)
5 0
3 years ago
Read 2 more answers
Does anyone know how to do this need help ASAP!!!
vivado [14]

Answer:

18

Step-by-step explanation:

unknown numbers?

6 0
3 years ago
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