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3 years ago

40, 90, 36, 68, 90, 11, 88, 54 What is the mean,median,mode, and range? Thanks m8!

Mathematics

2 answers:

sashaice [31]3 years ago

7 0

Answer:

mean 59.625

median 61

mode 90

range 79

Step-by-step explanation:

dimaraw [331]3 years ago

3 0

Answer:

Step-by-step explanation:

The mean is 59.625 because if you add all of the listed numbers together and then divide by how many numbers are listed (8) you get a mean of 59.625.

The median is 61 because you first list the numbers from least to greatest, then you see what number(s) are in the middle. Last, since there would be two (54 and 68) you then divide by 2 to get the median of 61.

The mode is 90, because it appeared two times in the list of numbers.

Last, the range is 79 because first you would list the numbers from least to greatest, then you take the lowest and higher numbers and subtract them from each other, which would be 79.

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If one of the 255 subjects is randomly selected, find the probability that the person is under 21 years of age. State answer as

dmitriy555 [2]

under 21 years of age= 40 25 20 tot= 85

between 21 and 40= 35 20 30 tot = 85

over 40= 20 30 35 tot = 85

If one of the 255 subjects is randomly selected

P (over 40) = 85/255 = 1/3

Hope this helps!

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3 years ago

Match each item CORRECTLY :

Tanzania [10]

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2 years ago

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A 45 foot ladders leaning up against a building. The base of the latter is 20 feet away from the building. What is the angle of

Tatiana [17]

Answer:

The angle of elevation to the top of the building is 63.61 degrees

Step-by-step explanation:

Here, we want to calculate angle of elevation to the top of the building.

For this, we need a triangle

Please check for this in the attachment.

From the diagram, we are to calculate the angle theta.

To do this, we use trigonometric identities.

Looking at what we have, we have the hypotenuse and the adjacent.

So the trigonometric identity to use is the cosine

Mathematically Cosine theta = adjacent/hypotenuse

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8 0

3 years ago

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule

Sergeeva-Olga [200]

Answer:

First term: 5

Fourth term: 5 1/2

Tenth term: 6 1/2

Step-by-step explanation:

Let's find the first, fourth and tenth terms of the arithmetic sequence described by the given rule:

A(n) = 5 + (n-1) (1/6)

First term:

A(1) = 5 + (1-1) (1/6)

A(1) = 5 + (0) (1/6)

A(1) = 5

Fourth term:

A(4) = 5 + (4-1) (1/6)

A(4) = 5 + (3) (1/6)

A(4) = 5 + 3/6 = 5 3/6 = 5 1/2 (simplifying)

Tenth term:

A(10) = 5 + (10-1) (1/6)

A(10) = 5 + (9) (1/6)

A (10) = 5 + 9/6 = 6 3/6 = 6 1/2 (simplifying)

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4 years ago

Which transformation of f(x)=3^x does h(x)=-3^x-7 represent?

vaieri [72.5K]

F(x) = 3^x and g(x) = 3^x - 7 => h(x) = f(x) - 7. This is f(x) has been translated 7 units downward.

If you graph f(x) you can obtain h(x) by shifting the graph of f(x) 7 units downward.

6 0

4 years ago