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Rasek [7]
3 years ago
10

A is the point with coordinates (4,6)

Mathematics
1 answer:
DerKrebs [107]3 years ago
3 0

Answer:

d = 9

Step-by-step explanation:

Calculate the slope of ab then equate to 3.

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (4, 6) and (x₂, y₂ ) = (d, 21)

m = \frac{21-6}{d-4} = \frac{15}{d-4} = 3 ( multiply both sides by d - 4 )

3(d - 4) = 15 ( divide both sides by 3 )

d - 4 = 5 ( add 4 to both sides )

d = 9

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3 years ago
I need help fast i don’t understand please give detailed explanation
alex41 [277]

Answer:

<4 = 63°

Step-by-step explanation:

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5 0
3 years ago
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ludmilkaskok [199]

9514 1404 393

Answer:

  y = -3x^2 -9x +30

Step-by-step explanation:

When a polynomial has a zero at x=p, it has a factor of (x -p). The factors of your quadratic are ...

  f(x) = (x +5)(x -2)

At the point x=3, the value of this product is ...

  f(3) = (3 +5)(3 -2) = (8)(1) = 8

In order for that value to be -24, it needs to be multiplied by a scale factor of -3. The quadratic you want is ...

  y = -3(x +5)(x -2)

  y = -3x^2 -9x +30 . . . . . standard form

3 0
3 years ago
Which of the following is a correct equation for the line passing through the point (-2,1) and having slope m = 1/2?
Jobisdone [24]
The correct equation is y=1/2x-21
8 0
3 years ago
Read 2 more answers
A rectangular garden has a width of 67 inches and a length of 92 inches. What is the perimeter of the garden in feet? Group of a
Archy [21]
The answer is 13.25
67+92= 159
159 divided by 12= 13.25
3 0
3 years ago
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