A and 90-a is the measure of the two angles
a=90-a-6
2a=84
a=42
42° and 48°
Answer:
203 ; 245
Step-by-step explanation:
158 + 45= 203
question 2
203+42= 245
Answer:
35/36
Step-by-step explanation:
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12rocks 6 in each 2 equal piles
4 in each 3 equal piles And 3 in each 4 equal piles
Answer:
Step-by-step explanation:
Given that two fair dice are rolled 3 times and the sum of the numbers that come up is recorded.
a) The sum is 4 on each of the three rolls.
(1,3) (2,2) (3,1) HEnce for one throw prob = 3/36 =1/12
Prob for getting same sum 4 in 3 rolls = 
(since each trial is independent)
b) Prob sum =4 in exactly 2 rolls
=
=