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Svetlanka [38]
1 year ago
5

Need help on this please​

Mathematics
1 answer:
lys-0071 [83]1 year ago
6 0

Answer:

I would it would be the one on the left

Step-by-step explanation:

If it did not would then add me and we can talk about it and I will explain to you why it is right.

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Solve - 9/2y=27/2 for y.
dedylja [7]

Answer:

It’s y = 3

Step-by-step explanation:

Solve for y by simplifying both sides of the equation, then isolating the variable.

5 0
3 years ago
Which expression is equivalent to 45 divided by (2 - x)
makvit [3.9K]

Answer:

 45

---------

(2 - x)

Step-by-step explanation:

That would be:

 45

---------

(2 - x)

Also valid:  45/(2 - x)

6 0
2 years ago
I need help with these two equations
Ivan

for these you need to rearrange the equations and do substitutions.

 #3 = if x+y=5 then you know x = 5-y

 now substitute that equation for x in the 2nd one so x + 2y = 8 becomes

5-y + 2y = 8 2y - y becomes 1y which becomes y then subtract 5 from each side to get y =3

now replace y with 3 in the first equation x = 5-3 so x = 2 

 so (2,3) is the answer


 same type of work for #4

2x-y=6 ,S0 y = 2X+6

 so now you have 4x+2(2x+6)=-4

that becomes 4x +4x+12 = -4

8x+8 = 1, x =1

y = 2(1)-6 = -4

 so answer is (1,-4)

7 0
3 years ago
Log2x (2x^2+8x-6) =2
irinina [24]

Answer:

2x^3+8x^2-3x=0

Step-by-step explanation:

2x (2x^2+8x-6)=2\\multiply-all-in-bracets-by-2x\\4x^3+16x^2-6x=2\\devide-all-by-2\\2x^3+8x^2-3x=0

5 0
3 years ago
HELP ME! <br><br> CHOOSE CORRECT ANSWERS!
TEA [102]
Is this algebra 1 or 2....
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2 years ago
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