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3 years ago

A box of 15 cookies costs $9.What is the cost for 1 cookie?

Mathematics

2 answers:

Viktor [21]3 years ago

8 0

Answer:

$ 0.60

Step-by-step explanation:

Gennadij [26K]3 years ago

3 0

Answer:

$1.6666667

Step-by-step explanation:

So you need to do division, 15/9.

You could leave it like that, but the decimal answer is 1.6 repeated.

I hope this helped!

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Answer:

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Step-by-step explanation:

Since 2 is the output when - 9 is input to f(x)

Then reversing the procedure, that is the inverse gives an output of - 9 for an input of 2.

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Agata [3.3K]

Answer:

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3 years ago

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mojhsa [17]

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2 years ago

Read 2 more answers

3x-7y=17 when x=-3,0,3

NeX [460]

$3x-7y=17\\-7y=17-3x\ \ \ \ |:(-7)\\y=-\frac{17}{7}+\frac{3}{7}x\\\\When\ x=-3:\\y=-\frac{17}{7}+\frac{3}{7}\cdot(-3)\\y=-\frac{17}{7}-\frac{9}{7}\\y=-\frac{26}{7}=-3\frac{5}{7}\\\\When\ x=0:\\y=-\frac{17}{7}+\frac{3}{7}\cdot0\\y=-\frac{17}{7}=-2\frac{3}{7}\\\\When\ x=3:\\y=-\frac{17}{7}+\frac{3}{7}\cdot3\\y=-\frac{17}{7}+\frac{9}{7}\\y=-\frac{8}{7}=-1\frac{1}{7}$

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3 years ago