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3 years ago

Help me with math please

Mathematics

1 answer:

Allushta [10]3 years ago

5 0

To graph a line, first solve for y. To do this, subtract x from both sides, then divide by three. After that, just use the y-intercept and slope to graph the inequality.

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1). Linear Combination (SHOW WORK)

Georgia [21]

Answer:

Part 1) The solution of the system of equations is (2,-5)

Part 2) The solution of the system of equations is (2,4)

Step-by-step explanation:

Part 1) Linear combination

we have

$3x+2y=-4$ -----> equation A

$4x-y=13$ -----> equation B

Multiply equation B by 2 both sides

$2(4x-y)=2*13$

$8x-2y=26$ -----> equation C

Adds equation A and equation C

$3x+2y=-4\\8x-2y=26\\-------\\3x+8x=-4+26\\11x=22\\x=2$

Find the value of y

$3(2)+2y=-4$

$2y=-4-6$

$2y=-10$

$y=-5$

The solution of the system of equations is (2,-5)

Part 2) By graph

$y=(1/2)x+3$ -----> equation A

$-3x+y=-2$ -----> equation B

we know that

The solution of the system of equations is the intersection point both graphs

Using a graphing tool

The intersection point is (2,4)

therefore

The solution of the system of equations is the point (2,4)

see the attached figure

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3 years ago

Which color is the line that represents an equivalent ratio? How can you tell by looking at the lines?

slamgirl [31]

Answer:

Step-by-step explanation:

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3 years ago

I will give branliest to whoever answers this correctly.

Allisa [31]

Answer:

3√2+3√5

Step-by-step explanation:

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There are 135 fifth-grade students in a certain school. Each table on the lunchroom seats six students. How many tables are need

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Answer:you just need to divided 135÷ 6

Step-by-step explanation:

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4 years ago

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What is the y-intercept of the Cubic Function shown below?

Vadim26 [7]

Answer:

A(0,7)

Step-by-step explanation:

The y-intercept is (0,7). The y-intercept is the point in which the line or the function crosses the y-axis.

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