3 years ago

Billy made 5 gallons of juice for a picnic. He said that he made

Mathematics

1 answer:

Mumz [18]3 years ago

4 0

Ask it's Pugh he's really smart

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r-ruslan [8.4K]

I think that the answer is 120 cubes

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3 years ago

Solve the problem.

Lorico [155]

Answer:

Step-by-step explanation:

You must use a combination:

$_nC_k=\dfrac{n!}{k!(n-k)!}$

We have <em>n = 16</em>, <em>k = 3</em>.

Substitute:

$_{16}C_3=\dfrac{16!}{3!(16-3)!}=\dfrac{13!\cdot14\cdot15\cdot16}{2\cdot3\cdot13!}\qquad\text{cancel}\ 13!\\\\=\dfrac{14\cdot15\cdot16}{2\cdot3}=\dfrac{7\cdot5\cdot16}{1}=560$

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3 years ago

<img src="https://tex.z-dn.net/?f=6%20-%205x%20%2B%206%20%3D%204" id="TexFormula1" title="6 - 5x + 6 = 4" alt="6 - 5x + 6 = 4" a

Elanso [62]

$\bf 6-5x+6=4\implies -5x+12=4\implies \stackrel{\textit{adding 5x to both sides}}{12=4+5x}\\\\\\\stackrel{\textit{subtracting 4 to both}}{8=5x}\implies \cfrac{8}{5}=x\implies 1\frac{3}{5}=x$