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BARSIC [14]
3 years ago
14

Which ordered pair is a solution to the system of linear equations?

Mathematics
2 answers:
Lostsunrise [7]3 years ago
8 0
(0,2)............................................
Andreyy893 years ago
4 0
We have to add the equations in a clever way such that one of the variables cancels out. If you multiply the top one with 3 and the bottom one with 2, you cancel x. Like this:

3(2x+3y)=3*6 => 6x + 9y = 18
2(-3x+5y)=2*10 => -6x + 10y = 20

9y + 10y = 38 => 19y = 38 => y=2

If y=2 then 2x + 6 = 6 => x=0

The pair (0,2) is a solution.

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least to greatest- -1.25, -2/3, 2.75, 4, 9/2

Step-by-step explanation:

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2 years ago
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Squash and Water are mixed in the ratio 1:5. Marion needs to make cups of juice that are 150ml for a party. She anticipates she
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The turtle population on an island is declining at a rate of 1.4% per year. The population was 3800 in the year 2009. What is th
zavuch27 [327]

Your question: The turtle population on an island is declining at a rate of 1.4% per year. The population was 3800 in the year 2009. What is the best prediction of the population in the year 2014? Round to the nearest whole number.

Answer: 3541

Good luck mate, remember to always look through notes and so-forth.

8 0
3 years ago
Why do graphs sometime not have a line through them?
kondaur [170]
If they do not have a line of best fit this may be because there is no correlation
4 0
2 years ago
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Vikki [24]

Step-by-step explanation:

1) A number <em>m</em> is at least four

<em>m ≥ 4  ['at least' = ≥ symbol]</em>

<em />

2) 4x  ≤ 20x; x=2

4(2) ≤ 20(2)

8 ≤ 40

[Im not sure if this is a solution or and inequality :/ ]

3)  x < 5

--> On the line, draw the number 0, and the number five. 'x < 5' also means 'x is less that five.' So, draw a dot over the line before 5, and make an arrow going to the left of the page,

<-----------------------------------o   5

<---|---|---|---|---|---|---|---|---|---|---|---|---|---|--->

                          0

Hopefully this helps! :)

4 0
2 years ago
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