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2 years ago

in a scale drawing, a sofa is 3 inches long. If the actual length of the sofa is 5 feet long, find the scale factor

1 answer:

7 0

Let's try for a result in the units "inches to the foot."

3 inches
------------ = 3/5 in/ft, or 0.6 in to each foot
5 feet

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The test scores of 32 students are listed below. Construct a boxplot for the data set and include the values of the 5-number sum

zhenek [66]

Answer:

Boxplot is constructed using quartiles and 5 No. summary means including minimum value of data, 1st quartile, 2nd quartile, 3rd quartile and maximum value of data.

As data already in increasing order, we find quartiles using the following formula,

$value\:of\:K_{th}\:Quartile\:,\, Q_k=\:value\:of\:(\frac{k\times{(n+1)}}{4})\,\:th\,observation$

where n = No. of Observations.

∴, 1st Quartile,

$Q_1 = \frac{1\times{(32+1)}}{4}\, th\:\:observation\\\\ \:\:\:=8.25\,th\:observation\\\: \:\:= 8th\,+0.25(9th-8th)\\\:\:\:= 55 + 0.25(57-55)\\\:\:\:= 55.5$

2nd Quartile,

$Q_2 = \frac{2\times{(32+1)}}{4}\, th\:\:observation\\\\ \:\:\:=16.5\,th\:observation\\\: \:\:= 16th\,+0.5(17th-16th)\\\:\:\:= 69 + 0.5(70-69)\\\:\:\:= 69.5$

3rd Quartile,

$Q_3 = \frac{3\times{(32+1)}}{4}\, th\:\:observation\\\\ \:\:\:=24.75\,th\:observation\\\: \:\:= 24th\,+0.75(25th-24th)\\\:\:\:= 79 + 0.75(81-79)\\\:\:\:= 80.5$

Minimum value of data = 32 & Maximum value of data = 99

So, Values of 5 no. that are to ne include in Boxplot are 32, 55.5, 69.5, 80.5, 99.

BoxPlot is attached with this ans.

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2 years ago

Find the slope of the line that passes through these points. (4, 5) (7, 8)

harina [27]

Answer:

The slope would be 1

Step-by-step explanation:

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2 years ago

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Lera25 [3.4K]

Answer:

The expression to this question is " $\bold{(c=0.005)\times d}$ ".

Step-by-step explanation:

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2 years ago

Alan rode his bike for 5 1/5 hours during one week. That same week, Brook rode her bike for 6 1/8 hours. How many more hours did

melomori [17]

Answer:

1-8 =7 duh

Step-by-step explanation:

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2 years ago

A _______ is a set of characters that uses the same typeface.

eimsori [14]

A font is a set of characters that uses the same typeface.It is a specific typeface of a fix size and style. An example is, a font may be Arial 12 pt bold, while another font may be Times New Roman 14 pt italic. According to Merriam dictionary, font is an assortment or set of type or charactersall of one style and sometimes one size.

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2 years ago