What is the solution to this system of equations?

Mathematics

1 answer:

xeze [42]3 years ago

4 0

(-8,-5) is the answer in coordinate pairs

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Ethan bought 4 packages of pencils. After he gave 8 pencils to his friends, he had 40 pencils

LiRa [457]

He had 40 pencils left after he gave away 8, so originally he had 40 + 8 pencils, which is 48.

Now, he bought 4 packages, which had a total of 48 pencils, so divide 48 by 4, which is 12. He had 12 pencils in each package.

To determine the solution arithmetically, first add 8 to 40, then divide 48 by 4.

To determine the solution algebraically, set up and solve the equation 40 = 4x - 8.

Each package contained 12 pencils.

Hope this helps

8 0

3 years ago

Which of the following expressions is equivalent to xy^3?<br> (options in the pic)

Alex

Answer:

Step-by-step explanation:

${xy}^{3}$

means that xy is being multiplied with itself thrice.

Hence,

$xy \times xy \times xy$

5 0

3 years ago

When data is collected, the most common calculations computed are the Measures of Central Tendency, mean, median and mode. It is

andrew11 [14]

Answer:

Following are the responses to these questions:

Step-by-step explanation:

In point a:

Please find the graph file in the attachment.

In point b:

This information is interesting for us, because we inform us about an important disease outbreak in such days and how the pandemic impacts major global communities like London as well as how the pattern in the recorded cases is increasing and decreasing.

In point c:

The data are sorted: 551, 1683, 3194, 4053, 4079, 5842, 5868

Mean $= \frac{(551+1683+....+586)}{7} =3610$