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ArbitrLikvidat [17]
3 years ago
12

Solve the proportion 20/3 = ?/6.

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer:

c.40

Step-by-step explanation:

the answer is 40 your welcome

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Closing prices of two stocks are recorded for 50 trading days. The sample standard deviation of stock X is 4.665 and the sample
Vedmedyk [2.9K]

Answer:

0.9113

Step-by-step explanation:

Given :

Sample standard deviation of Stock X = 4.665

Sample standard deviation of Stock Y = 8.427

Sample Covariance = 35.826

The Correlation Coefficient, R is related to sample covariance and standard deviation using the formular :

R = Covariance(X, Y) / (SD(X) * (SD(Y))

R = 35.826 / (4.665 * 8.427)

R = 35.826 / 39.311955

R = 0.9113

Hence, correlation Coefficient, R = 0.9113 which depicts a strong positive relationship.

6 0
3 years ago
Which expression is equivalent to (x^27y)^1/3?
Kazeer [188]

Answer:

It's the second one

Step-by-step explanation:

If you use exponent rules (a*b)^n=a^n*b^n. Raise each term separately to 1/3 (by multiplying by 1/3) and then you get x^9 (y^1/3)

8 0
3 years ago
If there are 52 weeks in a year, how many more hours does a squirrel sleep in a year than a rabbit?
AveGali [126]

The squirrel sleeps 2548 hours more than the rabbit.

Difference of the numbers

Difference of the numbers means the result of subtracting one number from another.

Given,

If there are 52 weeks in a year,

Then we need to find how many more hours does a squirrel sleep in a year than a rabbit.

First, we have to find the sleeping pattern of squirrel  and rabbit.

A squirrel spends up to 60% of its day asleep, which means that an average squirrel sleeps for almost 15 hours each day.

Similarly, the rabbits are sleep six to eight hours each day.

So for one day,

Rabbit = 8 hours per day

Squirrel = 15 hours per day.

Then the sleeping hours for one week is

Rabbit = 8 x 7 = 56 hours

Squirrel = 15 x 7 = 105 hours

So, for 52 weeks, they spend

Rabbit = 56 x 52 = 2912

Squirrel = 105 x 52 = 5460

So, the difference is

=> 5460 - 2912

=> 2548

Therefore, the squirrel sleeps 2548 hours more than the rabbit.

To know more about Difference of the number here.

brainly.com/question/666360

#SPJ4

5 0
2 years ago
1600, 400, 100, 25, ...<br> O Arithmetic <br> O Geometric<br> O Neither
jeyben [28]
This is a GEOMETRIC sequence as each number is being multiplied by 1/4
6 0
3 years ago
Is 3²+3³ equal to 3⁵? <br> ( yes, no ) the expressions (are, are not ) equal
Vera_Pavlovna [14]

Answer: <u>No</u> the expressions <u>are not</u> equal

Work Shown:

3² = 3*3 = 9

3³ = 3*3*3 = 27

3²+3³ = 9+27 = 36

3⁵ = 3*3*3*3*3 = 243

The 3²+3³ = 36 doesn't match up with 3⁵ = 243

Therefore, the two expressions are not equal.

7 0
2 years ago
Read 2 more answers
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