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2 years ago

Write an equation in slope-intercept form of each line.

Mathematics

1 answer:

Nataly [62]2 years ago

4 0

Answer:

y=2x-3

Step-by-step explanation:

formula: y=mx+b

since it is a partial variation use b in formula

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5(x−3.8)=22 <br> please help find the x value

Kay [80]

Answer:

x = 8.2

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Which equation represents the equation of the parabola with focus (-3 3) and directrix y=7?

Artemon [7]

Answer:

The equation $y=\frac{-x^2-6x+31}{8}$ represents the equation of the parabola with focus (-3, 3) and directrix y = 7.

Step-by-step explanation:

To find the equation of the parabola with focus (-3, 3) and directrix y = 7. We start by assuming a general point on the parabola (x, y).

Using the distance formula $d = \sqrt {\left( {x_1 - x_2 } \right)^2 + \left( {y_1 - y_2 } \right)^2 }$ , we find that the distance between (x, y) is

$\sqrt{(x+3)^2+(y-3)^2}$

and the distance between (x, y) and the directrix y = 7 is

$\sqrt{(y-7)^2}$ .

On the parabola, these distances are equal so, we solve for y:

$\sqrt{(x+3)^2+(y-3)^2}=\sqrt{(y-7)^2}\\\\\left(\sqrt{\left(x+3\right)^2+\left(y-3\right)^2}\right)^2=\left(\sqrt{\left(y-7\right)^2}\right)^2\\\\x^2+6x+y^2+18-6y=\left(y-7\right)^2\\\\x^2+6x+y^2+18-6y=y^2-14y+49\\\\y=\frac{-x^2-6x+31}{8}$

6 0

3 years ago

The basketball coach make up a game to play where each game takes. 10 shots at the basket. For every basket made, the player gai

levacccp [35]

Answer:

5s + 5m

5(10) + 5(-15)

50 - 75 = -25 points

Step-by-step explanation:

s = sanked baskets = 10

m = missed baskets = -15

7 0

3 years ago

Dissimilar to similar fractions

V125BC [204]

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4. 3/12 and 8/12

5. 25/30 and 18/30

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2 years ago

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loris [4]

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3 years ago