Examples for 9th grade
Number of problems found: 3013
What is the value of ? ?
- AP - simple
Determine the first nine elements of sequence if a10 = -1 and d = 4
For what x expression ? equals zero?
Express the expression ? as the n-th power of the base 10.
Is true equality? ?
52 is what percent of 93?
- One half
One half of 2 75 is: ...
It is true that the lines that do not intersect are parallel?
Expressed as a percentage:
- A number
A number 5% greater than 75?
- What percent
What percent of 51 3/5 is 47 2/5?
- Expression with powers
If x-1/x=5, find the value of x4+1/x4
- Value 4
If 5/18=425, what is the value 13/18?
- 6 terms
Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
Write the first 6 members of this sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
In how many ways can be divided gold, silver, and bronze medal among 21 contestants?
- Percentage 10
52 shorts and missed 13. Calculate percentage
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
The class is 21 students. How many ways can choose two to examination?
How many ways can divide 16 players into two teams of 8 member?