3 years ago

Does y=-2x represent a function

Mathematics

1 answer:

evablogger [386]3 years ago

7 0

Yeah
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Theo and Kade worked on a school project together. Theo worked on the project 3 fewer hours than Kade did. Altogether, they work

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Answer:Theo worked for 10.5 hours.

Kade worked for 16.5 hours

Step-by-step explanation:

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Carlos has 47 boxes that each have 10 markers. He gives 36 markers away.

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The answer is C. 434

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Binomial Theorem, proof

IrinaVladis [17]

It follows from the definition of the binomial coefficient:

$\dbinom nr=\dfrac{n!}{r!(n-r)!}$

So we have

$(n+1)\dbinom nr=(n+1)\dfrac{n!}{r!(n-r)!}=(r+1)\dfrac{(n+1)!}{(r+1)!(n-r)!}$

That is, $(n+1)$ gets absorbed into the numerator's factorial, and we introduct $(r+1)$ into the denominator. Now, $(n+1)-(r+1)=n-r$ , so we get

$(n+1)\dbinom nr=(r+1)\dfrac{(n+1)!}{(r+1)!((n+1)-(r+1))!}=(r+1)\dbinom{n+1}{r+1}$

as required.

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3 years ago

HELP PLEASE URGENT!!!!

loris [4]

<span>Equations:
g + b + 0 = 1500
g + 0 + r = 750
g + b + r = 2000
============
</span><span>g = 250
b = 1250
r = 500
============
Happy Valentines :)</span>

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Priya measured the perimeter of a square desk rounded to the nearest cm and found 248 cm. Noah measured the perimeter of the sam

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Answer:

12mm

Step-by-step explanation:

We have to convert cm to mm. We then subtract 2480 - 2468, thus getting 12.

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