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VLD [36.1K]
3 years ago
13

I need help with this. can somebody help?​

Mathematics
1 answer:
oee [108]3 years ago
4 0

Answer:

3x - y + 5 = 0

Step-by-step explanation:

When two points are given and the equation of the line passing through those points are asked we use two - point form to determine the equation of the line.

Two - point form: $ \frac{y - y_1}{y_2 - y_1} = \frac{x - x_1}{x_2 -x_1} $

Here the two points are: (2,11) & (-8,-19).

Let $ (x_1,y_1) = (2,11) $ and $ (x_2, y_2) = (-8,-19) $

Substituting in the formula we have:

$ \frac{y - 11}{-19 - 11} = \frac{x - 2}{-8 - 2} $

$ \implies \frac{y - 11}{-30} = \frac{x - 2}{-10} $

Simplifying we get:

y - 11 = 3x - 6

⇒                                       3x - y + 5 = 0

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vlada-n [284]
Its 2x^2-4x, to check it add it to 3x^2-2x or
2x^(2)-4x+3x^(2)-2x
6 0
3 years ago
A recipe for making 3 dozen muffins requires 1 1/2 cups of flour. How many cups of flour are required to make 5 dozen of the sam
Scilla [17]

Answer:

2 1/2 cups

Step-by-step explanation:

3 dozen muffins = 1 1/2 cups

divided by 3, you get 1 dozen muffins = 1/2 cup of flour

multiply by 5 you get 2 1/2 cups of flour

7 0
2 years ago
What must be true of the side lengths in order to build a triangle with only two angles the same size?
ale4655 [162]

Answer:

A triangle with two angles of the same size is an isosceles triangle. So two of its sides are going to have the same measure and the third different. The length of the sides will depend on the height of the measure of the given angles.

Step-by-step explanation:

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6 0
3 years ago
use the distributive property to remove parentheses. Simplify your answer as much as possible. 1/2(4y+7)
Anna007 [38]
1/2(4y+7)

Use the distributive property. a(b+c)= ab+ac 

1/2*4y= 2y

1/2*7= 3.5

2y+3.5 <---- simplified expression

I hope this helps!
~kaikers


7 0
3 years ago
Read 2 more answers
17.83 rounded to the nearest tenth
garri49 [273]
The answer would be 17.8  hope this help you

4 0
3 years ago
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