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luda_lava [24]
3 years ago
9

1)what is the y-coordinate of the solution to the system of equations?

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer:

1. -3

2. 8

Step-by-step explanation:


Fittoniya [83]3 years ago
4 0
Ok so basically solve for y

x-y=12
27+3y=2x

27+3y=2x
subtract 3y from both sides
27=2x-3y
2x-3y=27

x-y=12
multiply by -2
-2x+2y=-24

add them
2x-3y=27
<u>-2x+2y=-24 +</u>
0x-1y=3

-y=3
y=-3
y coordinate is -3


2.
y=2x+14
-4x-y=4

y=2x+14
subtract 2x from both sides
y-2x=14
mulitply both sides by -2
-2y+4x=-28

add the 2 equations

-2y+4x=-28
<u /><u>-y-4x=4 +</u>
-3y+0x=-24

-3y=-24
divide both sides by -3
y=8

y coordinate is 8





1. y coordinate is y=-3

2. y coordinate is y=8<u>
</u>
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lukranit [14]

Answer: 1/8 pack

Step-by-step explanation:

Pack of bottles = 24 bottles

Bought = 3 bottles

24 bottles ___ 1 pack

3 bottles ___ x= 3/24 pack

(3 bottles * 1 pack) / ( 24 bottles) = 3/24 packs = 1/8 pack

3 0
3 years ago
Solve the following equation.
elena-14-01-66 [18.8K]

Answer:

x=6

Step-by-step explanation:

x + 6 = x + x        original problem

x + 6 = 2x            combine like terms

-x      = -x             subtract x from both sides to have like terms on each side

6 = x                    solution

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3 years ago
A box of jerseys for a pick-up game of basketball contains 9 extra-large jerseys, 6 large jerseys, and 5 medium jerseys. If you
aleksley [76]

Answer:

1/114 or 0.008772

Step-by-step explanation:

I am not very sure, my answer seems unlikely, but here's what I think:

There are 20 jerseys in the box to begin with, and 5 medium jerseys that you can have.

Therefore, the probability of you randomly grabbing a medium sized jersey is 5/20 or 1/4.

After taking out one medium sized jersey, there are 19 jerseys in the box and 4 medium jerseys you can pick from.

The probability of you randomly grabbing a medium sized jersey is 4/19.

After taking out another medium sized jersey, there are 18 jerseys left in the box and 3 medium jerseys you can pick from.

The probability of you randomly grabbing a medium sized jersey is 3/18.

To get the answer, you do 1/4 * 4/19 * 3/18, and get 1/114, or 0.00877192982.

If you round that to the nearest millionth, it's 0.008772

Don't judge me, it might not be correct.

4 0
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(I'm helping someone else) Is a triangle with sides of length 6 ft., 21 ft., 23 ft. a right triangle? Show how you know.
MaRussiya [10]
This is not a right triangle.

4 0
3 years ago
Read 2 more answers
If you help me on this god bless you, I NEED HELP !
joja [24]

Answer:

  1. given
  2. additive property of equality
  3. segment addition postulate
  4. segment addition postulate
  5. transitive property

Step-by-step explanation:

In an equation, the additive property of equality states that if we add or subtract the same number to both sides of an equation, the sides remain equal.

transitive property,  If a = b and b = c, then a = c.

Segment Addition Postulate Defined. The segment addition postulate states that if we are given two points on a line segment, A and C, a third point B lies on the line segment AC if and only if the distances between the points meet the requirements of the equation AB + BC = AC.

I hope this was good enough for you:

4 0
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