3 years ago

Is the set closed or not closed under operation? Negative Integers under multiplication

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

The set is not closed

Example

-4 * -2 = 8

8 is not a negative integer

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guajiro [1.7K]

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Simplification ~

$- 8(13 - 5c + 12d)$

$( - 8 \times 13) + ( - 5c \times - 8) + ( - 8 \times 12d)$

$- 104 + 40c - 96d$

Correct choice is D

3 0

3 years ago

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Could someone plz help ^w^ thank you!

rosijanka [135]

Answer:

The first one:)

Step-by-step explanation:

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6 0

3 years ago

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Write an inequality that represents the graph.

Dimas [21]

Answer:

y=2x+1

Step-by-step explanation:

Y intercept is 1 and slope is 2/1

5 0

3 years ago

If you multiply 12 subtract 2.40 how do you get 9.60 because I got 2.80

posledela

just use a calculator next time then

3 0

3 years ago

What is the equation of a line that is perpendicular to -x + 2y =4 and passes through the point (-2, 1)

Trava [24]

Answer:

y = -2x - 3

Step-by-step explanation:

-solve for y: y = 1/2x + 2

-perpendicular equals opposite slope: -2

-plug in the point: (1) = -2(-2) + b

1 = 4 + b

b = -3

put it all together: y = -2x - 3

8 0

3 years ago