Square + percentages - practice problems
Number of problems found: 199
- Suppose 12
Suppose in a physics test involving 30 students, and four scored 75%, eight scored 60%, twelve scored 50%, and six scored 30%. Calculate the mean of the group and the standard deviation. - Colour
The square is divided into 100 squares. If you needed to color 49%, how many squares would you color? - A student 5
A student took the measurements of his classroom and gave the width as 7m and the length as 9m. If there is an error of 2 percent in measurement, determine the greatest value of [X+Y]/X if X and Y are the width and length of the classroom, respectively. G - Using 4
Using the law of cosines, find the measurement of leg b if the givens are B=20°, a=10, and c=15.
- Circumference 5493
By what percentage will the area of a square decrease if its circumference decreases by 17 percent? - Square
If we increase the side of the square, increase its area of 91%. What is the percentage we increase the side of the square? - Specify 3808
Specify a number that is 61% less than 10². - One-fifth 80438
By what percent does the area of a square increase if its perimeter increases by one-fifth? - Area decrease
If the area of the square decreases by 19%, by how much percent does the side of the square decrease?
- Unknown 3922
16% of the unknown number equals the square root of the number 25. Find this unknown number. - Square sides
If the square side increases by 28%, the square circumference increases by 11.2 meters. Find the length of the original square side. - Determine 3769
12% of x is 58 more than (6²) +5. Determine x. - Percentage increase
What is the annual percentage increase in the city when the population has tripled in 20 years? - Reduced 81099
A square has a side length of 25 cm. How big is its area if the side is reduced by 25%?
- Event probability
The probability of event N in 5 independent experiments is 0.4. What is the probability that the event N occurs in one experiment (chance is the same)? - Unknown variable
Find the number x, which if it increases by 2, then its square increases by 21 percent. - Magnification of the square
If we increase the square side, increase the area of the 70 %. About what percentage was increased on its side? - Calculate 6195
The number x = 2 / p² is given. Calculate a number 400% greater than x if p = 10. - Square - increased perimeter
How many times is the increased perimeter of the square, where its sides, increased by 150%? If the perimeter of the square increases twice, how much % increases the area of the square?
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