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Natalka [10]
3 years ago
10

Find the value of y when x equal 0 -9x-2y=-20

Mathematics
1 answer:
Sphinxa [80]3 years ago
3 0
Y=10
because
-9(0)-2y=-20
0-2y=-20
-2y=-20
-2y/-2=-20/-2
y=10
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A student wants to simulate 31 ​birthdays, but she does not have a calculator or software program​ available, so she makes up 31
mihalych1998 [28]

Answer:

No, it is not okay to conduct the simulation this​ way.

Step-by-step explanation:

In statistics, simulation refers to a technique that is employed to model random events so that the results obtained from using the simulation is significantly similar to the results obtained from observing the real-world.

Researchers are therefore able to understand the real world when they observe the simulated outcomes.

From the description above, it can be seen that simulation is about studying random events. Therefore, a sample of the population that will be used in the simulation must be selected through a random sampling.

Random sampling refers to the sampling method that gives equal opportunity of being selected to each member of the population. This makes the sample selected through random sampling technique to be an unbiased representation of the total population.

As a result, making up 31 numbers between 1 and 365 by the student is not a random sampling, because his method may favor some numbers over others. It is therefore a defective method of carrying out simulation.

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I wish you the best.

6 0
4 years ago
What pair of points have a slope of -3/5
sergey [27]

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Step-by-step explanation:

Here, we want to state a pair of points that have a slope of -3/5

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m = y2-y1/(x2-x1)

This could give points like (5,0) and (0,3)

3 0
3 years ago
Karla's jewelry box is shaped like a rectangular prism. The bottom surface of the box has an area of 65 square inches. The heigh
koban [17]

Answer:

780  cubic inches

Step-by-step explanation:

Step one:

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Already given an area and a height of 12 in

we proceed to find the volume by multiplying Area and height

Required

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Step two:

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6 0
3 years ago
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Vera_Pavlovna [14]
A = a+b/2 x h
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4 0
4 years ago
The input is 8 and the output is 26 what's the rule?
LuckyWell [14K]

Answer:

It could either be x * 3.25 or x + 18

Step-by-step explanation:

8 * 3.25 = 26

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3 0
3 years ago
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