Find the area, olease

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Related Questions

The length of a rectangle is increasing at a rate of and its width is increasing at a rate of . when the length is 20 cm and the width is 10 cm, how fast is the area of the rectangle increasing?
You run 9.1 miles in 1.3 hours at a steady rate. What equation represents the proportional relationship between the x hours you run and the distance y in miles that you travel?
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Find the mean, median, and interquartile for the data set below. Round your answer to the nearest tenth. 27,16,8,5,19,14,22,31,13,5,23,16,8

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Answer:

Hence,

Mean=15.9

Median=16

Interquartile=14.5

Step-by-step explanation:

On arranging our data in the increasing order we get the data set as:

5 5 8 8 13 14 16 16 19 22 23 27 31

Now we find the mean as:

$Mean=(5+5+8+8+13+14+16+16+19+22+23+27+31)/(13)\n\nMean=(207)/(13)\n\nMean=15.92$

Now, we know that the median is the central tendency of the data and lie in the middle of the data.

Hence, by looking at the data we see that the middle value of the data is 16.

Hence, Median=16.

Now, the lower set of data is:

5 5 8 8 13 14

Now, the lower quartile is calculated as:

The middle value of the lower set of data is:

8 8

Hence, the lower quartile $]Q_1$ is middle of 8,8.

i.e. $(8+8)/(2)=8$

similarly the upper set of data is:

16 19 22 23 27 31.

Similarly the upper quartile is calculated as:

$Q_3=(22+23)/(2)=22.5$

Hence, interquartile range (IQR) is calculated as:

$Q_3-Q_1=22.5-8=14.5$

Hence,

Mean=15.9

Median=16

Interquartile=14.5

The mean is 15.92, the median is 16, and the interquartile range is 14.5

Help with question 9 please

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Volume of a prism = Bh

B = area of the base
h = height

B = 1/2 (base1 + base2) x height
B = 1/2 (9+6) x 8
B = 1/2 (15) x 8
B = 4 x 15
B = 60

Volume = 720
720 = B x h
720 = 60 x h
h = 12

So the height or length is 12mm.

Surface Area = 2B + 2P

Where
B is the area of the base
P is the perimeter of the base

We already know that B= 60

P = 9 + 10 + 6 + 8
P = 33

So

SA = 2*60 + 2*33
SA = 120 + 66
SA = 186

The surface area is equal to 186mm^2.

Which of the following fractions will result in a repeating decimal? A. 1/3 B. 4/5 C. 3/8 D. 1/2

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Answer:

A . 1/3

Step-by-step explanation:

1/3 = 0.333333333333333 (and the 3 continues on and on and on and on)

4/5 = 0.8

3/8 = 0.375

1/2 = 0.5

ursula earns $9 per hour. to write an expression that tells how much money ursula earns for h hours, josh wrote 9\h. sarah wrote 9h. whose expression is correct and why

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The important information's already given in the question can be used to find the correct answer.
In 1 hour Ursula earns = 9 dollars
So
In h hours Ursula earns = (9/1) * h dollars
= 9 * h hours
= 9h hours
So we have found from the above discussion that Sarah wrote the correct answer and it was 9h.I hope you are satisfi3ed with the answer and theexplanation that I have provided. You can use this procedure for solvingsimilar problems.

Sarah is correct because if Ursula is earning $9 per hour then every hour you can add 9. Lets say h=2 then you would multiply 9*2 to get how much she spent. Josh is incorrect because dividing would subtract the amount of money every our.

Hope this Helps

What is
−5.4−(−3.2)−5.4−(−3.2) ?