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Anit [1.1K]
3 years ago
13

Is this survey biased? why our why not?

Mathematics
2 answers:
seropon [69]3 years ago
6 0
This survey is biased because The Sunday paper asked people at Central Park instead of the city
Leviafan [203]3 years ago
5 0
It is biased because they surveyed people who were at a park, therefore they enjoy parks and would want more in the area
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Answer:

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The rate at which a professional tennis player used carbohydrates during a strenuous workout was found to be 1.7 grams per minut
Alex787 [66]

Answer:

<em>m=1.7</em>

<em>C=68 gr</em>

Step-by-step explanation:

<u>Function Modeling</u>

We are given a relationship between the carbohydrates used by a professional tennis player during a strenuous workout and the time in minutes as 1.7 grams per minute. Being C the carbohydrates in grams and t the time in minutes, the model is

C=1.7t

The slope m of the line is the coefficient of the independent variable, thus m=1.7

The graph of C vs t is shown in the image below.

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2 years ago
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
nydimaria [60]

Answer:

Step-by-step explanation:

As you can see, this is a quadratic equation and if you were to graph this you would see that it is a parabola that opens down because of the negative leading coefficient (-34). The maximum profit would be at the vertex, of the graph. Therefore, we need to find the value of "y" when "x" is the line of symmetry. We find this by  x=-b/(2a) where a = -34 and b = 1542:

x=-1542/(2)(-34)

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y=-34x^2+1542x-10037

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y=7446.5588236

Therefore, the maximum profit would be $7446.56.

Hope this helps!

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