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3 years ago

Whats the scale factor

Mathematics

2 answers:

BARSIC [14]3 years ago

6 0

Answer:

2 1/12

Hope that helps!

Step-by-step explanation:

Kazeer [188]3 years ago

3 0

Answer:

2.5

Step-by-step explanation:

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Sameera predicted that she would sell 38 blankets, but she actually sold 28 blankets. Which expression would find the percent er

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Solution: We are given:

Predicted Sales by Sameera $=38$

Actual Sales by Sameera $=28$

Now to find the Percent error, we have to use the below formula:

$Percent-Error= \frac{|Predicted-value - Actual-value|}{Actual-value} \times 100 \%$

$=\frac{|38-28|}{28} \times 100 \%$

$=\frac{10}{28}\times 100 \%$

$=35.71 \%$

Therefore, the percent error is $35.71 \%$

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3 years ago

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The reacttimes data set has 50 observations of human reaction times to a physical stimulus. The reaction times are named times a

scoundrel [369]

Solution: The formula for mean is:

$Mean=\frac{\sum x}{n}$

Where:

$\sum x$ is the sum of given observations

$n$ is the number of observations

$\sum x=87.12$

$n=50$

$\therefore Mean =\frac{87.12}{50}= 1.74$ rounded to two decimal places

To find the median, we need to first arrange the data in ascending order but we are already given the data in ascending order.

Therefore, the median is:

$Median=\left(\frac{n+1}{2} \right)^{th} item$

$=\left(\frac{51}{2} \right)^{th} item$

$=25.5^{th} item$

$=1.52+0.5(1.54-1.52)$

$=1.52+0.01$

$=1.53$

Therefore, the median = 1.53

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3 years ago

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Step-by-step explanation:

<u>Step 1: Answer the question</u>

They are independent because the cards are always going to stay the same. If each card that was picked and discarded, that would alter the future which would make it dependent. But... since it doesn't change the cards, it is independent.

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What is the outlier set of data for 10,12,19,23,26,26,27,34,40?

NikAS [45]

Answer:

In this set of data there is no outlier, as all numbers are relatively close.

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4 years ago

In the triangle, the length of side a is 5 ft., and m∠A=60°. Find the exact lengths of sides b and c.

Ivanshal [37]

Answer:

Lengths of B and c are 5 ft

Step-by-step explanation:

Since ∆is an equilateral ∆

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4 years ago

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