The answer is A. 25%
the reason for this answer is to find the percentage, u must divide 100/80 and u get 1.25
the one represents the 100% and the .25 represents 25%
hope this helps!
Answer:
Yes, I agree
Step-by-step explanation:
See attachments for cone
Cone A
Cone B
R = 2r
The volume of a cone is
For cone A, we have:
For cone B, we have:
So, we have:
Substitute
Make VA the subject
Hence, I agree with Ahmad
Answer:
0.0319
Step-by-step explanation:
To approximate this probability, we shall be using the Bernoulli approximation of the Binomial distribution.
Let p = probability of selecting a reference book = 65% = 0.65
Let q = probability of selecting other books= 1-p = 1-0.65 = 0.35
Now, we want to find the probability that all of these 8 books to be re-shelved are reference book.
We set up the probability as follows;
P(X = 8) = 8C8 •p^8•q^0
P(X = 8) = 1 * (0.65)^8 * (0.35)^0
P(X = 8) = 0.031864481289 which is 0.0319 to 4 decimal places
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<MNP : <PNQ : <QNO = 4:5:6
4 + 5 + 6 = 15
<MNO = 90° so 90°/ 15 = 6
<MNP = 4 x 6° = 24°
<PNQ = 5 x 6° = 30°
<QNO = 6 x 6° = 36°
<PNO = <PNQ + <QNO = 30° + 36° = 66°
Answer
<PNO = 66°