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Likurg_2 [28]
2 years ago
11

Simplify. Multiply and remove all perfect squares from inside the square roots. Assume z is positive. z* 30z2* 35z3

Mathematics
1 answer:
ASHA 777 [7]2 years ago
3 0

Answer:

5z^3\sqrt{42}

Step-by-step explanation:

You can multiply and put everything under one square root to get \sqrt{1050z^6}. You can take out (5z^3)^2 from the square root to get \boxed{5z^3\sqrt{42}}

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The product of two even numbers is even.

 

Let m and n be any integers so that 2m and 2k are two even numbers.

The product is 2m(2k) = 2(2mk), which is even.

 

 

Things to think about:

Why didn’t I just show you by using any two even numbers like the number 4 and the number 26?

Why did I change from "m" to "k" ? Are they really different numbers or could they be the same?

Why did I specifically say that m and k were integers?

 

The product of two odd numbers is an odd number.

Let m and k be any integers. This means that 2m+1 and 2k+1 are odd numbers.

The product is 4mk + 2m + 2k + 1 (hint: I used FOIL) which can be written as

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3 years ago
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geniusboy [140]
30 is 20% of 150.

30/x = 20/100

30 * 100 = 20 * x

(30 * 100)/20 = x

x = 150
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