Equation - 9th grade (14y) - math problems
Number of examples found: 708
- Fifth of the number
The fifth of the number is by 24 less than that number. What is the number?
if the mean of the set of data 5, 17, 19, 14, 15, 17, 7, 11, 16, 19, 5, 5, 10, 8, 13, 14, 4, 2, 17, 11, x is -91.74, what is the value of x?
- Unknown number 23
Find 2/3 of unknown number, which is two thirds of the 99.
- Equation with abs
Solve this equation with absolute value member: ?
- The larger
The larger of two numbers is nine more than four times the smaller number. The sum of the two numbers is fifty-nine. Find the two numbers.
solve equations by substitution: x+y= 11 y=5x-25
35% of what number is 35?
Solve algebrogram: mama+anna=vari How many solutions are?
Calculate how many % is the number 26.25 less than the number 105.
Honza is 13 years old and Peter 21 years old. After how many years are their ages will be at ratio 7: 9?
- ATC camp
The owner of the campsite offers 79 places in 22 cabins. How many of them are triple and quadruple?
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition?
- Pure quadratic equation
Solve pure quadratic equation ?.
- Equation - inverse
Solve for x: 7: x = 14: 1000
There are 350 girls in the school, and the other 30% of the total number of pupils are boys. How many pupils does the school have?
viju has 40 chickens and rabbits. If in all there are 90 legs. How many rabbits are there with viju??
- Father and son
Father is 48 years old, son 23. When will be the father twice older than a son?
Determine the radius of the circle, if its perimeter and area is the same number.
How many real roots has equation ? ?
- Percentage reduction
Reducing the unknown number by 19% get number 700.7 Determine unknown number.
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?