Answer:
8
Step-by-step explanation:
since it is a cube the all sides are equal
v=a³
512 = a³
a=³√512
a=8
the length of the rock=8
Answer:
2
a) 6.37%
b) 6.25%
3
a) 0.60 %
b) 0.59 %
Step-by-step explanation:
2 )
a) With replacement
Probability of extracting a club is 13/52
Probability of extracting a spade is 13/51
13/52 * 13/51
= 6.37 %
b) Without replacement
13/52 * 13/52
= 6.25 %
3) With replacement
Probability of extracting a ace is 4/52
Probability of extracting a queen is 4/51
4/52 * 4/51
= 0.60 %
b) Without replacement
4/52 * 4/52
= 0.59 %
Answer:
See Explanation
Step-by-step explanation:
Given


Required
Find x
The question is incomplete as the relationship between ABD and CBD is not stated.
Assume ABD = CBD
The solution is:

Collect like terms


Solve for x


Assume ABD and CBD are supplementary
The solution is:


Collect like terms


Solve for x


Assume ABD and CBD are complementary
The solution is:


Collect like terms


Solve for x

