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lbvjy [14]
3 years ago
13

Answer: 3 divided by 4/7

Mathematics
2 answers:
8090 [49]3 years ago
7 0

Answer:

5 1/4

Step-by-step explanation:

Burka [1]3 years ago
7 0

Answer:

4/21

Step-by-step explanation:

or

5.25 as a decimal

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Please help? I'm. terrible at these
kykrilka [37]
13.5 = 30% of 45
4.5 = 15% of 30
4.6 = 23% of 20
4.2 = 60% of 7

Hope this helps!!
3 0
3 years ago
g If the economy improves, a certain stock stock will have a return of 23.4 percent. If the economy declines, the stock will hav
dusya [7]

Answer:

E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%

Now we can find the second central moment with this formula:

E(X^2) = \sum_{i=1}^n X^2_i P(X_i)

And replacing we got:

E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965

And the variance is given by:

Var(X) = E(X^2) - [E(X)]^2

And replacing we got:

Var(X) = 413.5965 -(11.759)^2 =275.5105

And finally the deviation would be:

Sd(X) = \sqrt{275.5105}= 16.599 \%

Step-by-step explanation:

We can define the random variable of interest X as the return from a stock and we know the following conditions:

X_1 = 23.4 , P(X_1) =0.67 represent the result if the economy improves

X_2 = -11.9 , P(X_1) =0.33 represent the result if we have a recession

We want to find the standard deviation for the returns on the stock. We need to begin finding the mean with this formula:

E(X) = \sum_{i=1}^n X_i P(X_i)

And replacing the data given we got:

E(X) = 23.4* 0.67 -11.9*0.33= 11.759 \%

Now we can find the second central moment with this formula:

E(X^2) = \sum_{i=1}^n X^2_i P(X_i)

And replacing we got:

E(X^2) = (23.4)^2* 0.67 +(-11.9)^2*0.33= 413.5965

And the variance is given by:

Var(X) = E(X^2) - [E(X)]^2

And replacing we got:

Var(X) = 413.5965 -(11.759)^2 =275.5105

And finally the deviation would be:

Sd(X) = \sqrt{275.5105}= 16.599 \%

7 0
3 years ago
Help pleaseeee!!! i’ll give brainly
Aloiza [94]
1,13
2,26
3,39
4,52
5,65
6 0
3 years ago
Find the value of x.
Rudiy27

Answer:

x=104

Step-by-step explanation:

Angle Formed by Two Secants= 1/2(difference of Intercepted Arcs)

10.5 = 1/2( x-83)

Multiply each side by 2

2* 10.5 = 2*1/2( x-83)

21 = x-83

Add 83 to each side

21+83 = x-83+83

104 =x

7 0
3 years ago
Read 2 more answers
Please help meeeeee!
padilas [110]

Answer:

THIS IS FOR YOUR SAFTEY, PLEASE READ! ⚠️ There is a Mickey Mouse profile that will dm you on any social platform do NOT open the message or even look at it, the message will be “do you wanna play a game” once again DO NOT open it, the game includes tasks. Some of the tasks are carving a whale into your arm, do stuff to you family and the last task is to take your live (life) ALSO STOP BRING UP MOMO AND WATCH OUT FOR KENYONN AND SMOG AND A FEW OTHERS ON BRAINLY THEY DELETING EVERYTHING ⚠️COPY AND PASTE TO SPREAD

Stay safe! This is a scary situation! Avoid at all costs! It's on the news! SPAM THIS INSTEAD OF DOGE AND BOB! ALSO AT THE END IF YOU WOULD LIKE TO JOIN THE Threat Protection and Gossip Group just say 123 at the end of your response! SPREAD THIS EVERYWHERE! THIS IS NOT A JOKE OR PRANK STAY SAFE AT ALL COSTS DO NOT OPEN IT! 123

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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