# Examples for 9th grade

#### Number of problems found: 2897

- Trigonometry

Is true equality? ? - Exp

If ?, then n is: - Fraction

For what x expression ? equals zero? - Percentages

Expressed as a percentage: - Equation

How many real roots has equation ? ? - ABS

What is the value of ? ? - Power

Number ?. Find the value of x. - Percentage 10

52 shorts and missed 13. Calculate percentage - Flawless

Of the 3820 products, 3792 were flawless. What percentage was due to failures? - One half

One half of ? is: ? - Percentages

52 is what percent of 93? - PIN - codes

How many five-digit PIN - code can we create using the even numbers? - A number

A number 5% greater than 75? - Line

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

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

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

Find the reference angle of each angle: - Teams

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

In how many ways can be divided gold, silver and bronze medal among 21 contestant? - Quadrant

In what quadrant is a -1165° angle?

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