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Romashka-Z-Leto [24]
3 years ago
8

What is the equation for a parabola with a focus at (-2,5) and a directrix at x=3

Mathematics
2 answers:
Gre4nikov [31]3 years ago
4 0
4 is the answer hope this helps  :   )
Kitty [74]3 years ago
4 0
4 is the correct answer
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What is the product of (2x – 4) and (5x^2-2x+6)? Write your answer in standard form. Show your work.
Mashutka [201]

Answer:

10x^3-24x^2+20x-24

Step-by-step explanation:

(2x-4)(5x^2-2x+6)

10x^3-4x^2+12x-20x^2+8x-24

10x^3-24x^2+20x-24

6 0
2 years ago
Read 2 more answers
Use_______to isolate the variable
vodomira [7]

Transposition

Transposition is a method to isolate the variable to one side of the equation and everything else to the other side so that you can solve the equation.

Algebraic equations can be solved using the Law of equations. The Law of equations states that whatever you do on one side of an equation, you must do on the other side as well.

7 0
3 years ago
Can someone help me with the question please
alexandr1967 [171]

Answer:

Purple line: 4

Red dashed line: 2

Blue line: 1/2

Step-by-step explanation:

The purple line is the steepest line, therefore it has the biggest constant of proportionality or slope. Since 4 is the biggest number among the others, we attribute it to the purple line (the one with the point C on it).

Think of it this way:

y = ax+b \\

here b = 0 so y = ax

The greater a is, the greater y is. So for any value of x, y will be become bigger and bigger if we increase the value of a.

Take for example this one:

y = 2x \\

Take x=2\\ therefore y =4

Now take y = 4x and take x =2 therefore y = 8

When we increased this constant of proportionality, as you can see from 2 to 4, the value of y increase from 4 to 8.

Hope this is helpful. Think of it really carefully, and I'm sure you'll grasp the concept.

7 0
3 years ago
Pls awnser the question​
Dimas [21]
Download photomath it’ll answer it 4 u
5 0
3 years ago
I cant find the height to the area!!! THE SHAPE IS A TRIANGLE
Igoryamba

Answer:

x = 7.3

Step-by-step explanation:

area = base × height / 2

21.9 = 6 × x / 2

43.8 = 6x

x = 7.3

8 0
2 years ago
Read 2 more answers
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