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4 years ago

Find the least value, greatest value, mean, median, mode, and range of the data in the stem-and-leaf plot.

Mathematics

1 answer:

Anon25 [30]4 years ago

8 0

Answer:

Mean-17

Median-3

Mode-3

Range-47

Greatest Value-47

Least Value-0

Step-by-step explanation:

Mean= Add every number up then divide by how many numbers there are

Median= It has an even number in total when ordered from least to greatest. So take the two middle numbers together and divide them by 2.

Mode= The number that occurs more often

Range= The difference between the highest and the lowest number.

47-0=47

Greatest and lowest value= the highest and lowest number in a data set.

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The radius of a circle is decreasing at a rate of 6.56.56, point, 5 meters per minute. At a certain instant, the radius is 12121

Ilia_Sergeevich [38]

Answer:

The rate of change of the area of the circle is approximately $-490.09 \ m^2/min$ .

Step-by-step explanation:

Given:

$\frac{dr}{dt} = -6.5 \ m/min$

radius $r =12 \ m$

We need to find the rate of change of the area of the circle at that instant.

Solution:

Now we know that;

Area of the circle is given by π times square of the radius.

framing in equation form we get;

$A= \pi r^2$

to find the rate of change of the area of the circle at that instant we need to take the derivative on both side.

$\frac{dA}{dt}=\frac{d(\pi r^2)}{dt}\\\\\frac{dA}{dt}= 2\pi r \frac{dr}{dt}$

Substituting the given values we get;

$\frac{dA}{dt}= 2\times \pi \times 12 \times -6.5\\\\\frac{dA}{dt}\approx -490.09 \ m^2/min$

Hence The rate of change of the area of the circle is approximately $-490.09 \ m^2/min$ .

6 0

3 years ago

A rectangle has an area of 24 square centimeters. The width of the rectangle is 3 centimeters. What is the length of the rectang

Luden [163]

Answer:

The answer is 8.

Step-by-step explanation:

Area = Length times width. Since division and multiplcation are inverse operations, we can do 24 divided by 3 to get 8, so to get the area of 24, you would do 8 x 3.

7 0

4 years ago

Which is the slope of a line perpendicular to the line 7x + y equals 9

Neporo4naja [7]

Answer:

slope = 1/7

Step-by-step explanation:

7x+y=9 you should be in slope int form--> y=-7x+9

then the line is perpendicular so

the slope is 1/7

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3 years ago

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Lori has 25 new stamps but she already has 15 old ones how many does she have in total

KonstantinChe [14]

She would have a total of 40 stamps.

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3 years ago

Can someone help me on this one please

Nataly [62]

Answer:

It negative 6- and 6

Step-by-step explanation:

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3 years ago