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boyakko [2]
2 years ago
6

I WILL MARK BRAINLIEST IF CORRECT!

Mathematics
2 answers:
coldgirl [10]2 years ago
4 0
X=3 because 21 divided by 7 is 3
Pani-rosa [81]2 years ago
4 0
I believe that the answer is -0.5

or -1/2 as fraction

good luck
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Write an equation (in slope-intercept form) of the line that passes through (0, 3) and (−5, 2.5).
Paladinen [302]

The equation of the line passing throught the points A(x_A,y_A) and B(x_B,y_B) has a form

\dfrac{x-x_A}{x_B-x_A}=\dfrac{y-y_A}{y_B-y_A}.

Now the equation of the line passing through points (0, 3) and (−5, 2.5) is

\dfrac{x-0}{-5-0}=\dfrac{y-3}{2.5-3}.

Simplify it:

\dfrac{x}{-5}=\dfrac{y-3}{-0.5},\\ \\0.5x=5(y-3),\\ \\5x=50y-150,\\ \\x=10y-30,\\ \\10y=x+30,\\ \\y=0.1x+3.

This equation is in slope-intercept form.

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3 years ago
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Sum of all three angles of a triangle must be equal 180.

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5 0
3 years ago
Read 2 more answers
Proportions
Umnica [9.8K]
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What is the answer for the expression -450(2t-7)?
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Answer:

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Step-by-step explanation:

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