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gogolik [260]
3 years ago
6

Which function represents the graph below?

Mathematics
1 answer:
zimovet [89]3 years ago
3 0

Answer:

The inequalities all need to be of the form a < x ≤ b. i think that is it

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Are the set of all square numbers under 50 and the set of all triangular numbers that are less than 50 disjoint?
Alina [70]

Answer:

No, the two sets are not disjoint.

Step-by-step explanation:

Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45

Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49

They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.

7 0
3 years ago
The average value of y=v(x) equals 4 for 1≤x≤6, and equals 5 for 6≤x≤8. what is the average value of v(x) for 1≤x≤8 ?
Tomtit [17]
The average value over the interval is the area under the curve divided by the width of the interval.

Area = 4*(6 -1) +5(8 -6) = 30
Width = 8 - 1 = 7

Average value = 30/7 = 4 2/7

7 0
3 years ago
The body temperatures of adults have a mean of 98.6°F and a standard deviation of 0.60° F. Describe the center and variability o
amid [387]

Answer:

center = 98.6, variability = 0.08

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

The center is the mean.

So \mu = 98.6

The standard deviation of the sample of 50 adults is the variability, so

s = \frac{0.6}{\sqrt{50}} = 0.08

So the correct answer is:

center = 98.6, variability = 0.08

7 0
3 years ago
Which of the following values represent a meaningful difference between two populations? Select all that apply.
Lina20 [59]

Answer: I got you if its not to late  the answer is 2,3

Step-by-step explanation

anything above 2 is meaningful so first you would subtract 21.9 28.1 to get  3.7 its above 2 so that's one do the same for the rest anything above 2 is your answer or right at two really hope this helps

6 0
3 years ago
Need a Quick answer please
rusak2 [61]

Answer:

so i do not know that but hi

i just want points when i am bored

Step-by-step explanation:

3 0
3 years ago
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