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3 years ago

PLZ HELP 20 POINTS!!! I will give Brainliest!!!

Mathematics

2 answers:

natka813 [3]3 years ago

5 0

Answer:

Step-by-step explanation:

since both equations express y in terms of x we can equate the right sides

x + 7 = - 2x + 19 ( add 2x to both sides )

3x + 7 = 19 ( subtract 7 from both sides )

3x = 12 ( divide both sides by 3 )

x = 4

substitute x = 4 into either of the 2 equations for y

y = x + 7 ⇒ y = 4 + 7 = 11

solution is (4, 11 )

stepladder [879]3 years ago

5 0

Answer:

A is the answer

Step-by-step explanation:

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How do I simplify this 5a + 3b - 6a - b

BigorU [14]

Take the as together and take the bs together.

5a + 3b - 6a - b.
5a - 6a + 3b - b. Then simplify.
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That's it.

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Answer:

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Step-by-step explanation:

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3 years ago

Which ordered pairs is a solution to −5x + 3y > 12?

In-s [12.5K]

Answer :-

Given inequality ,

-5x +3y > 12
3y > 5x + 12
y > 5/3x + 12/3
y > 5/3x + 4

From the options ,

When x is 3 and y = 9

y >1* 5 + 4
y > 5 +4
9> 9 ( Not possible )

When x is -5 y is 5

y > 5/3*-5 + 4
y > -8.3 + 4
5 > -3.7 ( Possible )

When x is 3 y is -6

y > 5 + 4
-6 > 9 ( Not possible )

When x is -2 y is -5

y > -3.33 + 4
-5 > -0.67 ( Possible )

When x is 2 y is 8

y > 3.33 + 4
8 > 7.77 ( possible )

When x is -6 y is 0

y > -10 +4
0 > -6 ( possible )

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3 years ago

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Sliva [168]

To find the median:
Least to greatest order:

5, 7, 9, 10, 10, 11, 12

10 is the number in the middle. Therefore the median is 10

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irga5000 [103]

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Step-by-step explanation:

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