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3 years ago

What is X^2-X=0? It's factoring equations, but i'm not sure how to factor x-x=0, and then put it into curly brackets.

1 answer:

4 0

Here are the solutions:
X^2 - X = 0
Factor out X
X(X - 1) = 0
Here are 2 solutions
X = 0 and X - 1 = 0, which is the same as X = 1.

The solutions are:
X = 0
X = 1.

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x ≈ 6.5 , y ≈ 12.1

Step-by-step explanation:

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2 years ago

Write y=2x^2-10 in vertex form

kotykmax [81]

Vertex form is y=a(x-h)^2+k

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vertex form is
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3 years ago

4 couples (8 people) are getting on a double-decker bus that has 4 seats on each floor. How many different ways can they sit on

Darya [45]

Answer: There are 9216 different ways.

Step-by-step explanation:

Since we have given that

Number of couples = 4

Number of people in couples = 8

Number of seats on each floor = 4

Number of ways to select a person from each to send him (or her) to the upper deck would be

$2^4=16\ ways$

Number of ways to select a person to send them to the bottom floor would be

$4!=24$

Number of ways to select a person to send them to the upper floor would be :

$4!=24\ ways$

So, the total number of different ways would be :

$16\times 24\times 24=9216\ ways$

Hence, there are 9216 different ways.

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