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Marina86 [1]
3 years ago
6

Need help in algebra fast

Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

This is a strict inequality so the line must be dotted, meaning it can only be A or D.

The inequality says that y is less than -2x+4 so we want the region under the line, making A the correct answer.

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Write the equation of the line that passes through the points (8,-1) and (2,-5) in standard form, given that the point-slope for
Bess [88]

The equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

The given coordinate are (8, -1) and (2, -5).

<h3>What is the slope of an equation?</h3>

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.

The slope of the equation is m=\frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

The standard form of an equation is Ax + By = C.

The given the point-slope form is y+1=\frac{2}{3} (x-8).

Multiply each term by 3 of the equation.

(y+1) \times3=\frac{2}{3} (x-8) \times3

⇒3y + 3 = 2x - 16

Subtract 2x from both sides of a equation.

That is, -2x + 3y + 3 = - 16

Subtract 3 from both sides of a equation.

That is, -2x + 3y = - 19

Multiply each term by - 1 from both sides of an equation.

That is, 2x - 3y = 19

Therefore, the equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

To learn more about the slope visit:

brainly.com/question/3605446.

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4 0
2 years ago
George spent exactly one dollar for some 5 cent stamps and some
Temka [501]

Answer:

He bought 3.3 cents

Step-by-step explanation:

I hope I am right

3 0
2 years ago
What are the scale factor of ABC dilated to XYZ plz help
jekas [21]
<h3>Answer:  B) 2/3</h3>

====================================

Explanation:

The order is important for ABC and XYZ so we can see what letters pair up.

  • A pairs with X since they are the first letters
  • B pairs with Y since they are the second letters
  • C pairs with Z since they are the third letters

Based on that, we can see that AB pairs with XY as they are the first two letters of ABC and XYZ respectively.

Divide the length XY over AB and reduce

XY/AB = 10/15 = 2/3

We could also divide XZ over AC

XZ/AC = 14/21 = 2/3

and we get the same ratio

6 0
3 years ago
Read 2 more answers
56+34=n+30? Do you add 56+34 =90-30=60 n=60?
slamgirl [31]

You're on the right track. Start by combining like terms on the left side of the equation by adding 56 and 34.

90 = n + 30, now subtract 30 from both sides of the equation to isolate the variable n.

60 = n is the answer.

4 0
3 years ago
Read 2 more answers
A toy train has 8 compartments and an engine that is 8 inches long. Each compartment is 4 inches long. Each compartment is joine
luda_lava [24]

Answer:

64in

Step-by-step explanation:

links=8*3=24

compartments + engine=4*8+8=40

40+24=64

3 0
2 years ago
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