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Tomtit [17]
3 years ago
7

Car park algebra question

Mathematics
1 answer:
Svetllana [295]3 years ago
5 0
You did south, north, correctly

but last one

twice north is 2 times (x+48) or 2x+96


so

s=x
n=x+48
c=4x
s+c>2x+96
subsitute s for x and 4x for c
x+4x>2x+96
5x>2x+96
minus 2x both sides
3x>96
divide both sides by 3
x>32
it cannot be equal to 32 so
the minimum value is 33 spaces in south car park
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Step-by-step explanation:

(x-4)(-5x - 6)

FOIL

first : x*-5x = -5x^2

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An ellipse has vertices along the major axis at (0, 8) and (0, -2). The foci of the ellipse are located at (0, 7) and
mr Goodwill [35]

Answer:

The values are a = 5 , b = 3 , h = 0 , k = 3

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Step-by-step explanation:

* Lets revise the standard equation of the ellipse

- The standard form of the equation of an ellipse with  center (h , k)

 and major axis parallel to y-axis is (x - h)²/b² + (y - k)²/a² = 1 , where  

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∵ The foci of it located at (0 , 7) , (0 , -1)

∵ The coordinates of the foci are (h , k + c) and (h , k - c)

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∴ b = 3

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* The equation is x²/9 + (y - 3)²/25 = 1

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