3 years ago

I need help with the answer to what is x ?

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

7 0

Answer:

x = 39

Step-by-step explanation:

12(12+x) = 18(18+16)

144+12x = 612

12x = 468

x = 39

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irakobra [83]

Answer:

56 groups of 5 Fabergé eggs can be taken.

Step-by-step explanation:

It is given that Ashley is packing her bags for her vacation. She has 8 unique Fabergé eggs, but only 5 fit in her bag. In order to find how many different groups of 5 Faberge' eggs can she take, we apply the combination formula:

$8C_{5}=\frac{8!}{5!(8-5)!}$

$8C_{5}=\frac{8!}{5!3!}$

$8C_{5}=\frac{8{\times}7{\times}6{\times}5!}{5!{\times}3{\times}2}$

$8C_{5}=56$

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A-3b=9
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Solution: (-9,-6)
----
Check:
-9=-6-3
-9=-9
TRUE

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