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Nookie1986 [14]
4 years ago
10

How do I figure this out?

Mathematics
2 answers:
tensa zangetsu [6.8K]4 years ago
6 0
You have the right idea so far.
--Percent means out of 100, so 40% is 40/100
--of means multiply
--is means equals
--ill use X for a variable 'what number'


"68 is 40% of what number"

68= \frac{40}{100}*X


NeX [460]4 years ago
3 0
It would be 150 because 68 divided by 0.40 (which is 40% as a decimal) is 150.

Make me brainliest if this helped.
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Walter had 2/4 yard of string. He used 3/6 of it on a school project. How much string did he use?
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2/4 reduces to  1/2

3/6 reduces to 1/2

1/2 * 1/2 = 1/4

 he used 1/4 yard of string

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4 years ago
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The circumference of the circle is 762π cm.

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The length of arc a circle can is determined with the radius and central angle of the arc.

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C = 2\pi r\\\\&#10;C = 2(\pi  r)\\\\&#10;C = 2(\frac{180 \ L}{\theta } )\\\\&#10;C = 2(\frac{180 \times 127\pi}{60 } )\\\\&#10;C = 762 \pi \ cm

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4 0
2 years ago
The data represent the age of world leaders on their day of inauguration. Find the​ five-number summary, and construct a boxplot
Mumz [18]

Answer:

Minimum value = 43, Q_1=52, Q_2=Median=61, Q_3=67, Maximum value = 69.

Distribution is negative skewed.

Step-by-step explanation:

The given data set is

44, 43, 67, 68, 57, 65, 52, 62, 69, 54, 53, 61, 67, 48, 65​

Arrange the data in ascending order

43, 44, 48, 52, 53, 54, 57, 61, 62, 65, 65, 67, 67, 68, 69

Divide the data in 4 equal parts.

(43, 44, 48), 52, (53, 54, 57), 61, (62, 65, 65), 67, (67, 68, 69)

Minimum value = 43

Q_1=52

Q_2=Median=61

Q_3=67

Maximum value = 69

Starting and end point of box plot represent the minimum and maximum value respectively. Box starts from the first quartile to the third quartile. A vertical line goes through the box at the median.

The shape of the distribution.

Normally distributed: If Q_3-Q_2=Q_2-Q_1

Positive skew: If Q_3-Q_2>Q_2-Q_1

Negative skew: If Q_3-Q_2

For the given data set

Q_3-Q_2=67-61=6

Q_2-Q_1=61-52=9

Since Q_3-Q_2, therefore the given distribution is negative skewed.

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4 years ago
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Answer:

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Step-by-step explanation:

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