Answer:
units cubed
Step-by-step explanation:
The volume of a sphere is:
We know the radius r = 1/4, so we just plug this into the equation:
(4/3)**(1/4)^3 = (4/3)*
*(1/64) =
So, the answer is units cubed.
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Answer:
y = 541
Step-by-step explanation:
The mean is calculated as
mean =
Mean of set A = =
= 266
ratio between means = 7 : 12, then
mean of set B = × 266 = 456 , thus
= 456 ( multiply both sides by 5 )
1739 + y = 2280 ( subtract 1739 from both sides )
y = 541
The possible digits are: 5, 6, 7, 8 and 9. Let's mark the case when the locker code begins with a prime number as A and the case when <span>the locker code is an odd number as B. We have 5 different digits in total, 2 of which are prime (5 and 7).
First propability:
</span>
<span>
By knowing that digits don't repeat we can say that code is an odd number in case it ends with 5, 7 or 9 (three of five digits).
Second probability:
</span>
First propability:
</span>
<span>
By knowing that digits don't repeat we can say that code is an odd number in case it ends with 5, 7 or 9 (three of five digits).
Second probability:
</span>