Answer:
a) 62
b) 31/45
Step-by-step explanation:
a) The table tells you there are 42 males, and 20 more females that study biology.
42 +20 = 62 . . . are male or study biology or both
__
b) Of the total of 90 people, 62 are male or study biology (or both). The probability that any person is in that category is ...
62/90 = 31/45 = P(male or biology)
Divide 250 from 250 and 1000 to get 1/4.
Answer:
"There are two laws of floatation. The first one states that the weight of a floating body is equal to the weight of the liquid displaced. The second one states that the centre of gravity of a floating body and the centre of buoyancy are in the same vertical line." - quora
Step-by-step explanation:
3 √2 3√2(2√3 + 5√2) 30 + 6√6 30 + 6√6
------------- = ----------------------------- = ------------------ = ----------------
2√3 - 5√2 (2√3 - 5√2)(2√3 + 5√2) 12 - 50 -38
-15 - 3√6
= ---------------- answer
19
