Write a two step equation involving division and addition that has a solution of x = 25
1 answer:
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Answer:
81
Step-by-step explanation:
Given total number of tests are 5
The grades earned by the students in the tests are 84 , 75 , 97 , 89
let the grade earned by the student in the fifth test be x.
Average=
The condition recquired is Average≥85
≥85
≥85
x≥81.
The least grade the student can earn in the last test so that average is not less than 85 is 81
Add the real parts and the imaginary parts separately and divide each by 2
=(1+3i)
=(1+3i)
Answer:
The required probability is .
Step-by-step explanation:
Probability:
The ratio of the favorable outcomes to the all possible outcomes.
Given that, 5 women and 7 men are eligible to serve on a committee.
A committee of 4 is randomly selected.
Choosing 2 women out of 5 women is
=10
Choosing 2 men out of 7 men is
=21
Total number of eligible person is = (5+7)=12
Choosing 4 member out of 12 member is
=
=495
The required probability is