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Dennis_Churaev [7]
2 years ago
12

Area of a rectangular field is 2c^3-c^2+6 square units. If the length of the field is c-2 units, what is its width ?

Mathematics
1 answer:
Tema [17]2 years ago
6 0
If you just factor the original polynomial(The area) then you will find that one of the factors is c-2(the length) and the other will be the width.
When I factored it, I got 2c+3 as the width.
:)
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The directrix of a parabola is y=−4y=−4 . The focus of the parabola is (−2,−2)(−2,−2) .
Dennis_Churaev [7]
Because the focus is (-2,-2) and the directrix is y = -4, the vertex is (-2,-3).

Consider an arbitrary point (x,y) on the parabola.
The square of the distance between the focus and P is
(y+2)² + (x+2)²
The square of the distance from the point to the directrix is
(y+4)²

Therefore
(y+4)² = (y+2)² + (x+2)²
y² + 8y + 16 = y² + 4y + 4 + (x+2)²
4y = (x+2)² - 12
y = (1/4)(x+2)² - 3

Answer: y= \frac{1}{4} (x+2)^{2} - 3

5 0
3 years ago
What are the roots of the polynomial equation x^2-x72=0
Tom [10]
I hope this helps you



x^2-x-72=0


x -9


x +8



(x-9)(x+8)=0



x=9



x= -8
8 0
3 years ago
Solve for x<br> -12 = 4(x – 5)<br> X =
bonufazy [111]

Answer:

-12=4x-20

4x=12+20

4x=32

4 = 4

x=8

5 0
3 years ago
What is the solution?
AfilCa [17]

Answer:

A

Step-by-step explanation:

4 0
2 years ago
Expression that is equivalent to 27e+24
Goryan [66]

Answer:

3(9e + 8)

Step-by-step explanation:

the highest common factor is 3 so factor it out.

3 0
2 years ago
Read 2 more answers
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