What strategy would be the best to solve this problem?

Mathematics

1 answer:

Leokris [45]2 years ago

7 0

Answer:

He should run 28 minutes.

Step-by-step explanation:

It would be 28 due to it being a pattern! I double checked my answer by looking it up.

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I need help finding the domain and range, I already know is not a function

FromTheMoon [43]

Answer:

Domain: [-4, 4]

Range: [-3, 5]

Function? No

Step-by-step explanation:

Domain is all x-values that can be inputted in the graph that returns an output.

Range is all y-values that are outputted when <em>x</em> is inputted.

A function has to pass the Vertical Line Test.

6 0

3 years ago

I need help asap ple

Vinil7 [7]

Answer:

its 16

Step-by-step explanation:

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2 years ago

If students’ scores were normally distributed and the mean was 200 with a standard deviation of 40, then what is the probability

Sonja [21]

Answer:

84%

Step-by-step explanation:

The empirical rule tells you that 68% of the standard normal distribution is within 1 standard deviation of the mean. The distribution is symmetrical, so the amount in the lower tail is (1 -68%)/2 = 16%.

Since the number you're interested in, 240, is one standard deviation above the mean (200 +40), the percentage of interest is the sum of the area of the central part of the distribution along with the lower tail:

68% + 16% = 84%.