3 years ago

3) -x + 15 = x + 6 - 5

1 answer:

3 0

Answer: 17

but before you put that was the '3' included?

Step-by-step explanation:

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dezoksy [38]

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masya89 [10]

A) To buy one box of the new cereal it will be y=8*1 so 8$. 12-8= 4. So the original brand is 4$ more.

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Paul [167]

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3 years ago

loris [4]

Find how much 3% of $5000 is. Then multiply the 3% by five and add it to 5000. I hope that didn’t sound confusing.

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3 years ago

Masja [62]

Answer:

Step-by-step explanation:

Hello,

$x=(fof^{-1})(x)=f(f^{-1}(x))=\sqrt{2f^{-1}(x)}+5\\\sqrt{2f^{-1}(x)} =x-5\\2f^{-1}(x)=(x-5)^2\\f^{-1}(x)=\dfrac{(x-5)^2}{2}$

now let's replace x by 7 it comes

$f^{-1}(7)=\dfrac{(7-5)^2}{2}=\dfrac{2^2}{2}=2$

hope this helps

4 0

3 years ago

3) -x + 15 = x + 6 - 5​