28. The edges of a cube are all increased by
1 answer:
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Answer:
37°
Step-by-step explanation:
(4x + 2)° = 150° [Vertically Opposite Angles]
=> 4x = 150 - 2
=> 4x = 148
=><u> x = 37° (Ans)</u>
<h3>The probability that the sum of the numbers rolled is 7 is 
</h3>
<em><u>Solution:</u></em>
When two dice are rolled, sample space is given as:
{ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)
(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)
(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)
(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)
(6,1) (6,2) (6,3) (6,4) (6,5) (6,6) }
Total number of possible outcomes = 36
Favorable outcomes = getting sum of the numbers rolled is 7
Favorable outcomes = (1 , 6 ) , (2 , 5 ) , (3 , 4) , (4 , 3) , (5 , 2) , (6 , 1)
Number of favorable outcomes = 6
<em><u>The probability of an event is given as:</u></em>
Thus probability that the sum of the numbers rolled is 7 is
14. Brand A:
Brand B:
.02 cent difference
15.
190km seperate the cities
Brand B:
.02 cent difference
15.
190km seperate the cities