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laiz [17]
3 years ago
15

Once everyone is recycling, the maximum value equals 100% and the growth of people who recycle stops.

Mathematics
1 answer:
worty [1.4K]3 years ago
4 0

Answer:

False

Step-by-step explanation:

If there were 100% people that recycled, what would it mean for people who reuse recycled items it never stops

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Forty students are in the drama club. If 3/8 of the club members have roles in the spring play how many students give the part
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15 students have roles and 25 do not I hope this is right or at least helps :)
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3 years ago
Find the product.<br> (6a + 3b)(a - b)<br> Enter the correct answer.
Musya8 [376]

Answer:

See below.

Step-by-step explanation:

(6a+3b)(a-b)\\

Distribute:

=(6a+3b)(a)-(6a+3b)(b)\\=6a^2+3ab-(6ab+3b^2)\\=6a^2+3ab-6ab-3b^2\\=6a^2-3b^2-3ab

8 0
3 years ago
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⦁ Determine if the equation represents a direct variation. .8x = 1.6y ⦁ Suppose y varies directly with x. Write a direction vari
Mkey [24]
Part A:

Given that 

0.8x=1.6y\Rightarrow x= \frac{1.6}{0.8} y=2y

Thus, x = ky where k = 2.

Therefore, the given equation is a direct variation.


Part B:

If y varies directly as x, then y = kx.

Given that y = 5 when x = 2, then

5=2k \\  \\ \Rightarrow k=\frac{5}{2} =2.5 \\  \\ \Rightarrow y=2.5x

When x = 12, y = 2.5(12) = 30.



Part C:

If y varies directly as x, then y = kx.

Given that y = 9 when x = -6, then

9=-6k \\ \\ \Rightarrow k=-\frac{9}{6} =-\frac{3}{2} \\ \\ \Rightarrow y=-\frac{3}{2}x

It can be seen that the equation above satisfies all the rows of the given table, therefore, y varies with x for the data in the question and the equation for the direct variation is y=-\frac{3}{2}x



Part 4:

If y varies directly as x, then y = kx.

Given that y = 1 when x = -2, then

1=-2k \\ \\ \Rightarrow k=-\frac{1}{2} \\ \\ \Rightarrow y=-\frac{1}{2}x

It can be seen that the equation above does not satisfies the other rows of the given table, therefore, y does not vary with x for the data in the question.
8 0
3 years ago
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ikadub [295]

Answer:

Do what exactly?.....

8 0
3 years ago
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Given X = {15, 22, 33, 44, 89, 165, 1025} and Y = {-5, 15, 33, 88, 99, 150, 160, 1025}, which of the following statements is fal
vitfil [10]

Answer:

the first one

Step-by-step explanation:

in the first one it says there are no common numbers between x and y which is false.

in the second one its the union of x and y which means that you must list all numbers in x and y without repetition

the third one states that 15,33,1025 are the only numbers that are common between x and y.

so as a breif the first one is wrong

5 0
3 years ago
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