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Ilia_Sergeevich [38]
3 years ago
15

Dr. Keyes is a veterinarian who believes that people are happier if they own more pets. He hopes

Advanced Placement (AP)
1 answer:
pickupchik [31]3 years ago
6 0

Answer:

False.

Explanation:

The study that Dr. Keyes wants to do is a study that uses two variables (pets and happiness). Dr. Keyes wishes to prove the cause and effect relationship between these two variables that prove that the greater the amount of pets (causes) people have, the greater the happiness of these people (effect). For this reason, we can say that Dr. Keyes is not doing a correlational study.

This is because, although the correlational study wishes to observe the relationship between two variables, this study cannot be applied to cause and effect relationships.

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The excerpt best reflects which of the following developments during the first half of the nineteenth century?
Olin [163]

Answer:

A. The formation of new political parties

Explanation: Debates over the role of the federal government, such as the constitutionality of the Bank of the United States, reflected one of the clear divisions between the emerging Democratic Party and the Whig Party in the 1820s and 1830s.

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2 years ago
Which of the following identifies an error in Mathus' theory?
wariber [46]
D.- Food production grew much more quickly than Malthus predicted
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A ball is released from rest from the twentieth floor of a building. After 1 s , the ball has fallen one floor such that it is d
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2 years ago
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What does the destruction of the mosques indicate about the importance of Islam in Persia between 1200 and 1450 CE?
olga_2 [115]

Answer:

i think it’s d, but i’m not sure.

Explanation:

4 0
3 years ago
Armon specializes in framed art. For a specific design of framed art, the width of the frame is 10 inches longer than the width
dlinn [17]

Answer: The answer is: f(x) = 2x^2 + 40x + 200

Explanation:

Given: x is the width of the Artwork

Let W be the Width of the Frame

Let L be the Length of the Frame

Width = x + 10

Length = Width * 2, so by substitution, Length = 2(x + 10)

Area = Width * Length

By substitution:

Area = (x + 10) * 2(x + 10)

f(x) = (x + 10) * (2x + 20)

f(x) = 2x^2 + 20x + 20x + 200

f(x) = 2x^2 + 40x + 200

To test this, if a picture 8" wide is put in this frame, the width would be 8+10 or 18 inches. The length would be twice the width, or 36 inches. The Area is 18 x 36 = 648.

Using the formula:

f(8) = (2 * 8^2) + (40 * 8) + 200

f(8) = (2 * 64) + 320 + 200

f(8) = 128 + 320 + 200

f(8) = 648

8 0
3 years ago
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