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MAXImum [283]
3 years ago
9

Chose the justification for each step in the solution to the given equation stop application subtraction property of equality mu

ltiplication property of equality division property of equality addition property of equality

Mathematics
1 answer:
Nataliya [291]3 years ago
3 0

Answer:

Step-by-step explanation:

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HELP PLEASEEE !!! 50 POINTS
ipn [44]

Answer:

haha

Step-by-step explanation:

first off thats not 50 points

4 0
3 years ago
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Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.5
iris [78.8K]

Answer:

By the Empirical Rule, 99.7% of the students have grade point averages that are between 1.28 and 3.8.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed(bell-shaped) random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 2.54

Standard deviation = 0.42.

Between 1.28 and 3.8?

1.28 = 2.54 - 3*0.42

So 1.28 is 3 standard deviations below the mean

3.8 = 2.54 + 3*0.42

So 3.8 is 3 standard deviations above the mean

By the Empirical Rule, 99.7% of the students have grade point averages that are between 1.28 and 3.8.

5 0
3 years ago
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Question 58 a through f.
Strike441 [17]
Tip: use Slader (the app or the website) it gives you the anwsers and it tells you how to do it as well.

4 0
3 years ago
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.

To find how many carbohydrates the athlete would use in t=40 min, we plug in the value into the equation

C=1.7\cdot 40=68\ gr

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3 years ago
What is the domain of y=3^x-2 +1
mel-nik [20]

Answer:

x∈R

Step-by-step explanation:

4 0
4 years ago
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