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Anettt [7]
3 years ago
9

Determine whether each statement is SOMETIMES, ALWAYS or NEVER true. Explain.

Mathematics
1 answer:
almond37 [142]3 years ago
3 0
1. Never; sample answer: A biased sample favors one or more parts of the population over others.
2. Never; Sample answer: A voluntary response sample involves only those who want to participate in the sampling.
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Answer: a: 543.2 b: 465.6

Step-by-step explanation:

a. find 30% of $776, which is 232.8. subtract 232.8 from 776.

b. find 40% of $776, which is 310.4. subtract 310.4 from 776

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Sladkaya [172]

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Which of the following differential equations has the slope field below
Nookie1986 [14]

The differential equation that has the given slope is: dy/dx = -xy.

<h3>How to find the differential equation that models the situation?</h3>

We have to look at the slope, given in the graph of the solution of the differential equation, and represented by dy/dx. From the graph, we have that:

  • In quadrants I and III, in which x and y have the same signal, the differential equation is decreasing, hence the slope is negative.
  • In quadrants II and IV, in which x and y have different signals the differential equation is increasing, hence the slope is positive.

The differential equation that is negative when x and y have the same signals and positive when they do not have is given by the following option:

dy/dx = -xy.

More can be learned about differential equations at brainly.com/question/14423176

#SPJ1

6 0
2 years ago
Anybody help me? please
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Answer:

0 because we can't have Repetitious x in function.

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