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notka56 [123]
2 years ago
15

A survey of 140 freshmen business students at a local university produced the results listed below. How many students took only

psychology?
33 took history;
42 took science;
39 took psychology;
19 took history but not science;
12 took science and psychology;
10 took history and psychology;
2 took all three
Mathematics
1 answer:
Hunter-Best [27]2 years ago
8 0
15

A total of 39 took psychology. 12 of those took that and science and another 10 of those took that and history. 2 people took all three. 12+10+2 = 24 students who took psychology along with another class. To find the number of students who took ONLY psychology, you would take 39 and subtract 24, which leaves you with 15.
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3 years ago
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Novosadov [1.4K]

Answer:

Please check the explanation.

Step-by-step explanation:

Given

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a)

f(x) + g(x) = (2x - 1) + (2 - x)

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b)

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g(-5) - f(-5)

Putting x = -5 in g(x) = 2 - x

g(x) = 2 - x

g(-5) = 2 - (-5) = 2+5 = 7

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f(x) = 2x - 1

f(-5) = 2(-5) - 1

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Thus,

g(-5) - f(-5) = 7 - (-11) = 7+11 = 18

d)

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e)

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6 0
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Anon25 [30]
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5 0
3 years ago
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Ignore the highlighted ones please thxs
denis23 [38]
I believe it’s D. 2/3
5 0
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Answer:

620

Step-by-step explanation:

I might be wrong.

But based on the question both burgers are sold on a Wednesday so the question is asking how many cheeseburgers were sold on a Wednesday (which is the same day they both were sold) so I think you subtract.

so 685-65.

8 0
3 years ago
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