4 years ago

Which of the following gives an example of a set that is closed under addition.

Mathematics

1 answer:

cluponka [151]4 years ago

4 0

I believe the answer is D

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1) What is the distance between (4.3) and (3,-2)?

NemiM [27]

Answer:

Step-by-step explanation:

Distance = (x2 - x1) ² + (y2 - y1)²

Distance = ( 3-4)² + (-2-3)²

Distance = 26

6 0

4 years ago

the ratio of the length of an airplane wing to its width is 7 to 1. find the length of wing is 26.7 meters, how wide must it be?

maw [93]

If the ratio is 7 to 1, the width of the wing must be 1/7 of the length. So, we just divide 26.7 by 7 to get 3.81 meters.

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3 years ago

To calculate the total amount of satin you need you add 4.5 and 3.25 and find that you need 7.75 yards of satin. Is this correct

Nostrana [21]

4.5 and 3.25 gets you to 7.75, you are correct

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3 years ago

By hiring 45 new employees, a department store increased its help by 18% during the Christmas season. How many employees did the

bagirrra123 [75]

Hi!

We can set up a proportion then cross multiply to solve this.

$\frac{45}{x} \frac{18}{100}$

45 x 100 = 4500
4500/18 = 250

The answer is 250

Hope this helps! :)

7 0

3 years ago

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Zinaida [17]

Answer: The solution to this is y=10x-4

Step-by-step explanation:

Also please check out our yoo toobe channel that we have been working hard on, it is called Evimero Academy

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3 years ago