Since the standard deviation is the square root of variance. The only times where the standard deviation is greater than the variance is when the variance is between the values 0 and 1 exclusively. For example, the square root of 0.25 is 0.5.

4 0

3 years ago

A kite has side lengths of 2 feet and 4 feet. Each side length is increased by the same number of feet. The expression represent

inysia [295]

The x terms add up to 4x and the numbers add up to 12
4x + 12 = 4(x + 3)

Its C

4 0

2 years ago

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Clare is painting some doors that are all the same size. She used 2 liters of paint to cover 1 3/5 doors. How many liters of pai

barxatty [35]

Answer:

$1\frac{1}{4}\ liters$

Step-by-step explanation:

step 1

Convert mixed number to an improper fraction

$1\frac{3}{5}=\frac{1*5+3}{5}=\frac{8}{5}$

step 2

Using proportion

$\frac{2}{(8/5)}\frac{liters}{doors} =\frac{x}{1}\frac{liters}{door}\\ \\x=2/(8/5)\\ \\x=10/8\ liters$

step 3

Convert to mixed number

$\frac{10}{8}\ liters=\frac{8}{8}+\frac{2}{8}=1\frac{1}{4}\ liters$

8 0

3 years ago

What is the distance between -20 and -6 on a number line

podryga [215]

Answer:

14 units

Step-by-step explanation:

The distance is -6 - (-20)

-6+20

4 0

3 years ago

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