3 years ago

Emma says the GCF of 16 and 12 is 48. Her friend Grace says the answer is 4. Who is right?

Mathematics

1 answer:

Lesechka [4]3 years ago

4 0

Grace is right because what Emma said was not a factor of 16 and 12.

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guajiro [1.7K]

Answer:

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maximum, 151

Step-by-step explanation:

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3 years ago

How many ways can a person choose 3 desserts from a desserts tray 8 desserts

skelet666 [1.2K]

In combinatorics, this question is a combination question, because combination deals with selection while permutations deal with arrangement.

$nCr = \frac{n!}{(n - r)!r!} \\$

Plugging in our values,

$8C3 = \frac{8!}{(8 - 3)!3!} = \frac{8!}{5!3!} = \frac{8 \times 7 \times 6 \times 5!}{5!3!} = \frac{8 \times 7 \times 6}{3 \times 2} = 56 \\$

That means 3 desserts from a tray of 8 desserts 56 times.

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If Sheila paid $797.50 in interest on a 5 year loan of $5,800 for her first car, what was the interest rate? (Make sure you’ve c

Vsevolod [243]

I = Prt
r = I/Pt
given
I = <span>$797.50
P = </span><span>$5,800
t = 5

so
</span>r = I/Pt
r = 797.50 / (5,800 x 5)
r = 797.50 / 29,000
r = 0.0275
r = 2.75%

answer
r = 2.75%

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