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Sever21 [200]
3 years ago
11

elaina wrote two correct variable expressions to represent the phrase “one-fourth of a number.” which variable expressions could

elaina have written? select each correct answer. 4 ÷ n n/4 1/4n 4n
Mathematics
2 answers:
liraira [26]3 years ago
6 0

Answer:

The correct options are B) n/4 and C) 1/4n.

Step-by-step explanation:

Consider the provided information.

Elaina wrote two correct variable expressions to represent the phrase “one-fourth of a number.”

Let the number is represented by n.

Thus the one fourth of a number or one fourth of number n can be written as:

\frac{1}{4}n

Or

\frac{n}{4}

Now consider the provided options.

The correct options are B) n/4 and C) 1/4n.

antiseptic1488 [7]3 years ago
5 0
One-fourth of a number

1/4n and n/4
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???????????????????????????
FinnZ [79.3K]

Answer:

y-(-20)=1(x-(-10))

Step-by-step explanation:

If you're really in college you should know this, but here's the explanation:

m= <u>-9-(-20)</u>

      1-(-10)

  = <u>11</u>

     11

m = 1

The equation is y-y^1=m(x-x^1)

Replace the y^1, m, and x^1 from the first point

You get y-(-20)=1(x-(-10))

Or simplify that into y+20=x+10

You can also simplify it more but I don't think you need that for that question

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3 years ago
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Lorico [155]

Answer:

<h2>560</h2>

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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