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AleksandrR [38]

2 years ago

13

I need desperate help it's the last one and I don't under stand it.

1 answer:

Brilliant_brown [7]2 years ago

3 0

Wut? I... I DON'T KNOW. cannot compute cannot, malfunction, malfunction. and death.

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6x2y − 3xy − 24xy2 + 12y2

GalinKa [24]

Answer:

$=-39xy+24y$

Step-by-step explanation:

$\mathrm{Multiply\:the\:numbers:}\:6\cdot \:2=12$

$=12xy-3xy-24\cdot \:2xy+12\cdot \:2y\\\mathrm{Multiply\:the\:numbers:}\:24\cdot \:2=48\\=12xy-3xy-48xy+12\cdot \:2y\\\mathrm{Multiply\:the\:numbers:}\:12\cdot \:2=24\\=12xy-3xy-48xy+24y\\\mathrm{Add\:similar\:elements:}\:12xy-3xy-48xy=-39xy\\=-39xy+24y$

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2 years ago

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The z-statistic for a sample of delmar's practice times is 1.41. how should this statistic be interpreted in terms of the hypoth

mafiozo [28]

Answer: c) There is not enough evidence to reject H0

Step-by-step explanation:

7 0

2 years ago

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F(x)=9(x-8) find f^-1(x)

mina [271]

Answer:

$f^{-1}$ (x) = $\frac{1}{9}$ x + 8

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 9(x - 8) ← divide both sides by 9

$\frac{y}{9}$ = x - 8 ( add 8 to both sides )

$\frac{y}{9}$ + 8 = x

Change y back into terms of x with x = $f^{-1}$ (x) , thus

$f^{-1}$ (x) = $\frac{1}{9}$ x + 8

8 0

2 years ago

Are the ratio 7/15 equal to 21/45 goe

Anna71 [15]

Yes they are equal. 45 is a multiple of 15. 45/15=3, 7*3=21. so 21/45 is equal to 7/15.

7 0

3 years ago

What is the definition of function?

o-na [289]

Answer:

a relationship or expression involving one or more variables

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3 years ago

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