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AfilCa [17]
4 years ago
5

What is the set builder notation of A={1,8,27,64,125}

Mathematics
1 answer:
Alex787 [66]4 years ago
3 0
A=\{1;\ 8;\ 27;\ 64;\ 125\}\\\\1^3=1\\2^3=8\\3^3=27\\4^3=64\\5^3=125\\\\Therefore,\ the\ set\ builder\ notation\ is:\\\boxed{A=\{y\in\mathbb{N}\ |\ y=x^3\ \wedge\ x\in\{1;\ 2;\ 3;\ 4;\ 5\}\}}
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The speed of the faster cyclist will be 30 miles/hour.

<em><u>Explanation</u></em>

One cyclist is 3 times as fast as the other.

Lets assume that the speed of the slower cyclist is  x miles/hour.

So, the <u>speed of the faster cyclist</u> will be:  3x miles/hour.

They start riding toward each other at the same time and meet 2 hours later.

We know that,  Distance= speed*time

So, the <u>distance traveled by slower cyclist</u> in 2 hours = (x*2)miles= 2x miles and the <u>distance traveled by faster cyclist</u> =(3x*2) miles = 6x miles.

Given that, they were 80 miles apart at the starting. So, the equation will be.....

2x+6x=80\\ \\ 8x=80\\ \\ x=10

So, the speed of the faster cyclist will be: (3×10)= 30 miles/hour.

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4 years ago
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3 years ago
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Answer:

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3 years ago
Simplify 3y/y+6
Varvara68 [4.7K]
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