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3 years ago

There are 5 numbers, they are- 5,8,2,9,10

Mathematics

1 answer:

Crank3 years ago

8 0

Answer:

Mean: 6.8

Median: 2

Mode: There is no mode of the data set

Step-by-step explanation:

Finding the mean: 5+8+2+9+10= 34 divided by the numbers of the data set which is 5= 6.8

Finding the median: The middle of the data set which is 2

Finding the mode: the most frequently occurring number which doesn't appear in this data set which means there is none.

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The average person blinks 1,000 time an hour. Using scientific notation, calculate the number of times the average person blinks

fgiga [73]

Scientific notation is
a times 10^b

where
1≤a<10 and
b is a whole number

1000 times 365=365000=3.65 times 100000=3.65 times 10⁵

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4 years ago

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A shirts costs $20, the cost of the shirt increases 30%, what is the price of the shirt now?

ki77a [65]

Answer: 10

Step-by-step explanation:

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3 years ago

the angle of elevation from the bottom of a scenic gondola ride to the top of a mountain is 31 degrees. if the vertical distance

Eduardwww [97]

Answer:

The ride lasts 10 minutes.

Step-by-step explanation:

The triangle that is formed is attached.

In order to find out how long the ride lasts, we need to figure out the horizontal distance $d.$

From trigonometry we have:

$tan(31^o)=\frac{902}{d}.$

Therefore

$d=\frac{902\:feet}{tan(31^o)}=1501\:feet.$

Now the amount of time $t$ the gondola ride lasts is equal to the distance $d$ divided by the speed of the gondola:

$t=\frac{1501ft}{155ft/sec} =\boxed{9.69\:minutes.}$

To the nearest minute this is 10 minutes.

7 0

4 years ago

The distribution of annual profit at a chain of stores was approximately normal with mean \mu = \$66{,}000μ=$66,000mu, equals, d

Pepsi [2]

Answer:

The closest to the maximum profit is $x = \$ 83682$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = \$66,000$

The standard deviation is $\sigma = \$ 21000$

The percentage of profit is 20%

Generally the closest to the maximum annual profit at a store where the executives conducted an audit is mathematically evaluated as follows

$P(X > x ) = 0.20$

=> $P(X > x ) = P(\frac{X -x}{\sigma } > \frac{x -66000}{21000} ) = 0.20$

From the z-table the z-score for 0.20 is

$z-score = 0.842$

$\frac{x -66000}{21000} = 0.842$

=> $x = \$ 83682$

4 0

4 years ago

The ratio of the length to the width of a rectangular field is 3 to 2. If the field is 150 yards long, how wide is the field?

Leviafan [203]

Answer:

The field is 100 yards wide.

Step-by-step explanation:

Given that the relationship between the length and width of the rectangular field is 3 to 2, and that said field is 150 yards long, the following calculation must be performed to determine its width:

((150/3) x 2) = X

50 x 2 = X

100 = X

Thus, the common largest divisor between both numbers is obtained, and the relationship from 3 to 2 is established based on said number. Therefore, the rectangular field is 100 yards wide by 150 yards long.

8 0

4 years ago