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vlada-n [284]
3 years ago
8

Which of the following gives an example of a set that is closed under multiplication?

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
4 0
A The product of an even number and an even number 
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Please help and explain
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$498.75

Step-by-step explanation:

Why it would be $498.75 is 500 - 25 is 475 then if you do 5% of 475 you get 23.75 and you will add that to the 475 and you will get $498.75.

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salmon and mashed potatoes

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X = 15, x = 5; (0.75)
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12

Step-by-step explanation:

12 is 75 of 15 %^%^%^%^^^___<<<7<

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Nia has numbers cards for 2,3,8,9,and 5.What are all the different ways Nia can arrange the cards to show only even numbers with
Natalija [7]

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any order where 2 is the last number in the sequence

Step-by-step explanation:

the ten-thousand place in 12,345 is 5.

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5,9,8,3,2

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5 0
3 years ago
Factor completely. (x^2 – 4)(x^2 + 6x + 9)<br>​
sertanlavr [38]
<h3>Answer:   (x-2)(x+2)(x+3)(x+3)</h3>

This is the same as (x-2)(x+2)(x+3)^2. The order of the factors doesn't matter.

===============================================

Explanation:

x^2-4 factors to (x-2)(x+2) after using the difference of squares rule

x^2+6x+9 factors to (x+3)(x+3) after using the perfect square trinomial factoring rule

So overall, the original expression factors to (x-2)(x+2)(x+3)(x+3)

We can condense this into (x-2)(x+2)(x+3)^2 since (x+3)(x+3) is the same as (x+3)^2

-------------------

Side notes:

  • Difference of squares rule is a^2 - b^2 = (a-b)(a+b)
  • The perfect square trinomial factoring rule is a^2+2ab+b^2 = (a+b)^2
8 0
3 years ago
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