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4 years ago

6,300 and 530 The value of 3 in _is _times the value of 3 in _.

1 answer:

7 0

The value of 3 in 6,300 is 10 times the value of 3 in 530.

In 6,300, the 3 is in the thousands place. In 530, the 3 is in the hundreds place. 300 times 10 is 3000, making the value of 3 in 6,300 10 times the value of 3 in 530.

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What is the equivalent fractions between 4/7and3/5

enot [183]

2/21, 16/28
Multiply by 2,3,4

3 0

4 years ago

WILL GIVE BRAINLEST:

Lubov Fominskaja [6]

Answer:

√(81/9)

(It is equal to 3)

Step-by-step explanation:

5 0

2 years ago

Find the area of the region bounded by the curves y = sin^-1(x/6), y = 0, and x = 6 obtained by integrating with respect to y. Y

Nezavi [6.7K]

<span>y = sin^-1(x/6), y = 0, and x = 6 so look at this
since x = 6 "(x/6)" would be (6/6)
Hope this helps and mark as brainliest please!</span>

8 0

4 years ago

Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for t

rjkz [21]

Answer:

COV (all stocks) = 0.55

COV (stocks and bonds) = 0.82

Step-by-step explanation:

Coefficient of Variation is used to measure variability.

It is defined as the ration of standard deviation and the mean.

It can be used to compare variability of two population or two samples.

Formula:

$\text{Coefficient of Variation} = \displaystyle\frac{\text{Standard Deviation}}{\text{Mean}}$

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

x: 14, 0, 39, 25, 32, 27, 28, 14, 14, 15

$Mean = \frac{208}{10} = 20.8$

$Standard~Deviation = \sqrt{\frac{1169.6}{9} } = 11.39$

$Coefficient~of~Variation = \frac{11.39}{20.8} = 0.55$

y = 6, 2, 29, 17, 26, 17, 17, 2, 3, 5

$Mean = \frac{124}{10} = 12.4$

$Standard~Deviation = \sqrt{\frac{924.4}{9} } = 10.13$

$Coefficient~of~Variation = \frac{10.13}{12.4} = 0.82%$

Since coefficient of variation of x is less compared to y, thus it could be said bonds does not reduce overall risk of an investment portfolio.

6 0

3 years ago

The ratio of boys to girls at a local sports club is 3 to 1 if there are 45 girls, how many boys are there

marysya [2.9K]

Answer:

135

Step-by-step explanation:

3 0

4 years ago