# Examples for 9th grade

#### Number of problems found: 3013

- ABS

What is the value of ? ? - AP - simple

Determine the first nine elements of sequence if a10 = -1 and d = 4 - Fraction

For what x expression ? equals zero? - Powers

Express the expression ? as the n-th power of the base 10. - Trigonometry

Is true equality? ? - Percentages

52 is what percent of 93? - One half

One half of 2^{ 75}is: ... - Line

It is true that the lines that do not intersect are parallel? - Percentages

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 x^{4}+1/x^{4} - 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 - Sequence

Write the first 6 members of this sequence: a_{1}= 5 a_{2}= 7 a_{n+2}= a_{n+1}+2 a_{n} - Medals

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? - Examination

The class is 21 students. How many ways can choose two to examination? - Teams

How many ways can divide 16 players into two teams of 8 member?

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