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lawyer [7]
3 years ago
9

QUESTION 7

Mathematics
1 answer:
adell [148]3 years ago
8 0

Answer:

  • The product of an even number and an oven number
  • The product of an odd number and an odd number
  • The product of a perfect cube and a perfect cube

Step-by-step explanation:

The product of two even numbers will have at least two factors of 2, so will be even: <em>even numbers are closed under multiplication</em>.

The product of two odd numbers will be an even number plus 1, so will be odd: <em>odd numbers are closed under multiplication</em>.

The product of two cubes will be the cube of the product of their cube roots: <em>cubes are closed under multiplication</em>.

__

The product of two negative numbers will be positive, so <em>the set of negative numbers is </em><em><u>not closed</u></em><em> under multiplication</em>.

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H(x) = 5x – 1, find x if h(x) = 9
klasskru [66]

Answer: h(x) = 44

Step-by-step explanation:

It already gave you the value of x, so you just need to plug it in!

5(9) - 1

45 - 1

h(x) = 44

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3 years ago
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Here are two similar rectangles.
GaryK [48]

Answer:

8cm^2

Step-by-step explanation:

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3 years ago
Based on the graph below, what is yhe total number of solutions to the equation f(x)= g(x)?
valentinak56 [21]

Answer:

Based on the graph below, what is the total number of solutions to the equation f(x)= g(x) will be 3.

Step-by-step explanation:

The intersection points of both graphs would be the total number of solutions to the equation f(x)= g(x).

From the given diagram, it is clear that both the graphs intersect at three locations points or intersection points. The approximations locations of The intersection points of  both graphs are

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Therefore, based on the graph below, what is the total number of solutions to the equation f(x)= g(x) will be 3.

6 0
4 years ago
Each of 8 students reported the number of movies they saw in the past year. This is what they reported: 5, 4, 18, 19, 12, 20, 12
djyliett [7]
Mean is just the average of all of them
So... 5 + 4 + 18 + 19 + 12 + 20 + 12 + 12 = 102
Then you divide that number by the amount of numbers you have so 102 / 8 = 12.75 or rounding it up to 13

For median you have to first put them in order from smallest to largest.
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Then you have to find the middle number between them but in this case we have two... 12 and 12. Since they're the same number, the median is 12.
5 0
3 years ago
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