9/16 + 1/4
9+4/16
13/16
Alternative form
0.8125
Answer:
-0.5 is the larger average rate
Step-by-step explanation:
-3.142 is less than -0.5
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)
30(-2/5)²(5/8) = 30*(4/25)*(5/8) = 30*4/(5*8) = 3