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ad-work [718]
2 years ago
10

the coefficient of correlation between x and y is 0.28 there covariance is 7.6 if the variance of x is 9 then standard division

of y is?​
Mathematics
1 answer:
Reptile [31]2 years ago
6 0

Answer: 9.05

the answer is in here: https://brainly.in/question/13877695

Step-by-step explanation:

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I'm doing Quadratic formula and I've simplified it down to the equation at the bottom. What do I do after? Is that my answer bec
givi [52]

No you could have left it as the last but one line or write them separately as

11/18 + √85 / 18 , 11/18 - √85/18

6 0
3 years ago
When I add two to my number and then multiply it by five, I get thirty. What is my number?
rjkz [21]
30/5= 6
6 - 2 = 4
Your number is four
6 0
3 years ago
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the number of members in a club dropped from 80 to 52. what is the percent of decrease in the number of members
Illusion [34]
Percent of decrease :
Original - New / Original
so...
80 - 52 / 80 ---->
28/80
.35 multiply by 100 to get percent
35% increase Hope I helped if you have any questions let me know! :)



7 0
3 years ago
The clock below shows time that lance got home from school. 3:32. What time did he get home A: seventeen minutes before three B:
navik [9.2K]

Answer:

If Lance got home from school at 3:32 p.m. A and B both represent:

A: seventeen minutes before 3 would be before 3 o'clock even happens

B: 28 minutes before 4 would make more sense, since 3:32 is before 4 o'clock

Lance got home 28 minutes before 4

Hope this helps ;)

5 0
3 years ago
The value of 33 + 42 = ___.
frez [133]

Answer:

75

Step-by-step explanation:

We line up the tens place of 33 and 42 as well as the ones place so that it looks like:

33

+42

--------

Then we add first the ones, which is 3 + 2 for 5. Then we add the tens together, 3 + 4 is 7. We put the five first since its in the ones place and the 7 second since its in the tens place for 75.

6 0
3 years ago
Read 2 more answers
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