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vivado [14]
3 years ago
11

X^- x - 6 and x^ -5x +6 what are thier common factors

Mathematics
1 answer:
Katarina [22]3 years ago
6 0

I guess you mean:

X^2 - X - 6   and X^2 - 5X + 6

X^2 - X - 6 = (X + 2)(X − 3)

X^2 - 5X + 6 = (X − 2)(X − 3)

Based on that, their common factor is:

(X - 3)

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In a housing estate the direct proportion of flats to houses is 2:5. If there are 80 flats, how many houses are there?
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there are 200 houses
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Whats the slope between (4,-2) and (12,10)
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15a) 1.2 x 10^6

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6 0
3 years ago
A diver dives from a cliff with a height of 144 feet. His height, h, in feet is given by the equation h=-16t^2+144 , where t is
Deffense [45]

Answer:

It takes 3 seconds for the diver to reach the water.

Step-by-step explanation:

The height, in feet, is given by the following equation:

h(t) = -16t^{2} + 144

How many seconds will it take for the diver to reach the water?

He reaches the water when his height is 0, that is, when h(t) = 0. So

h(t) = -16t^{2} + 144

0 = -16t^{2} + 144

16t^{2} = 144

t^{2} = \frac{144}{16}

t^{2} = 9

t = \pm \sqrt{9}

t = \pm 3

There are no negative instant of time, so just t = 3.

It takes 3 seconds for the diver to reach the water.

6 0
3 years ago
Write a quadratic equation with roots of
stepladder [879]
If the roots are 1 and 3, the factors of this quadratic are (x-1) and (x-3).
The polynomial is x^2 - 4x + 3.

If you were supposed to write a polynomial based upon all four given roots, then:

Looks as tho' you have four distinct roots.  The 4th order polynomial with these roots is f(x) = (x-1)(x-3)(x-7)(x-2).  Multiply this out, combine like terms and then arrange the terms in descending order by powers of x.

6 0
3 years ago
Read 2 more answers
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