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Elan Coil [88]
3 years ago
15

Find an ordered pair to represent vec t in equation vec t =-8 vec u if vec u=(-1,4) and vec v = (3, -2)

Mathematics
1 answer:
Luda [366]3 years ago
8 0

Answer:

Step-by-step explanation:

B

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I need some help with this rational equation. It's supposed to = -1, but for some strange reason I keep getting x^2 +2x = -1.
Rasek [7]

This one is so easy that your brain refuses to accept it.
It's looking for a harder answer, but can't find it !

You're totally correct, as far you went.     x² + 2x does = -1

Now add ' 1 ' to each side:     x² + 2x + 1 = 0

Can you factor that quadratic ?
Can you mash it through the quadratic formula ?

Actually, it's the simplest possible perfect square.

                                       x² + 2x + 1  =  (x + 1)²

So the solutions of     x² + 2x + 1 = 0  are both   x = -1 .

Don't say anything.
I know it's embarrassing.

7 0
3 years ago
Samuel collected 30 signatures from fifth-grade students at his school. He noticed that 3/5 of the signatures were done in penci
Iteru [2.4K]

Answer:

30 / 5 = 6.

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Step-by-step explanation:

Hope this helped! Have a great day!

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What is an equivalent expression for 6(x-1)?
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Answer:

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Step-by-step explanation:

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235 C D s =

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