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ch4aika [34]
4 years ago
7

How do I solve: 8 – (m - 3) = 7 – 3m​

Mathematics
2 answers:
Lubov Fominskaja [6]4 years ago
8 0

Answer:

m=-2

Step-by-step explanation:

8-(m-3)=7-3m

8-1(m)-1(-3)=7-3m

8-m+3=7-3m

-m+3m+8+3=7-3m+3m

2m+8+3=7

2m+11=7

2m=-4

m=-2

Hope this helps!

Sidana [21]4 years ago
4 0

Step-by-step explanation:

So, this is how you do it.

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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
At the end of a​ year, the gross debt of a country stood at about ​$15 trillion. Express this amount in dollars per​ person, ass
Ilia_Sergeevich [38]

Answer:

The country's debt is $ 48,543.68 per person.

Step-by-step explanation:

Given that at the end of a year, the gross debt of a country stood at about $ 15 trillion, to determine this amount in dollars per person, assuming that the population of the country is about 309 million, the following calculation must be done:

15 trillion = 15,000,000,000,000

15,000,000,000,000 / 309,000,000 = X

15,000,000 / 309 = X

48,543.68 = X

Therefore, the country's debt is $ 48,543.68 per person.

4 0
3 years ago
Please help me with this please.
Keith_Richards [23]

Answer:

total number of miles driven

3 0
3 years ago
Mr. Smith's first test's data: 55, 42, 78, 99, 69, 83, 74, 83, 97.
irina1246 [14]

Answer:

arrange it first in increasing order

42,55,69,74,78,83,83,97,99

n=9

we have

Q2=(n+1)/2th term=(9+1)/2th term=5thterm=78

5 0
3 years ago
Read 2 more answers
Is b = 15 a solution to the equation 4b - 20 = 40?<br><br> yes<br><br> no <br><br><br> WICH ONE
Step2247 [10]

Answer:

Yes

Step-by-step explanation:

4 x 15 = 60. 60 - 20 = 40

8 0
3 years ago
Read 2 more answers
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