4 years ago

Which of the following uses a variable to represent a person, place, or thing that is unknown

1 answer:

maw [93]4 years ago

4 0

Answer:

Mr X

Step-by-step explanation:

his identity is a variable ; it could be anybody of the male gender.

all the other ones denote known designations, i.e, B+ grade

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swat32

Answer:

4 hammers

Step-by-step explanation:

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Nata [24]

Recall that for $|x|$ , we have

$\displaystyle\frac1{1-x}=\sum_{n\ge0}x^n$

Replace $x$ with $-9x^2$ and we get

$\displaystyle\frac1{1-(-9x^2)}=\sum_{n\ge0}(-9x^2)^n=\sum_{n\ge0}(-9)^nx^{2n}$

Lastly, multiply this by $x^3$ , so that

$\boxed{f(x)=\displaystyle\sum_{n\ge0}(-9)^nx^{2n+3}}$

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4 years ago

zhuklara [117]

The 2 angles in a complement would be (in degrees) 65 and 25

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Hunter-Best [27]

Jim's dog would be 5.41lb!!

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