In the term -6/7a4b5c3, find the coefficient for the following -3/7a2b2
Answers
Answer:
Worksheet-1
1)Express the following as percent: a)2/15 b)9/10
2)Express The following as fraction a)30℅ b)75℅
3)140%of 1000is
4)20℅of what amount=12,000?
5)50%of the student sina class got first grade.If 100 students got first grade,how many students were there in the class?
6)Increase 600by50℅.
7)Sham scored 415mark soutof500.What is his score percentage.
8)The population of at own increases by10% every year.If the population is. 94,00 now,what will after one year. 9)Sita's salary was Rs4000.Her salary was first increased by 20%,later decreased by 10℅. What will be her salary now. 10)Decrease 500by 25%.
11)Anair line ticket cost Rs 6400.A further tax 4%of this amount is added to it.What is the total amount of the ticket? 12)Finda,if: 1)25%of a is 75 2)6%of a is45kg
Answer:
While this problem can be answered by multiplying the three binomials, it is not necessary. There are three ways to multiply one term from each binomial such that two terms and one constant are multiplied; find the three products and add them, as follows: