Examples for secondary school students - page 31 of 212
Number of problems found: 4231
- Difference 13903
The sum of two integers is three, and their difference is 7. Determine the unknown numbers. - Calculate 13631
Calculate 1.5 ‰ out of 85% out of 240 - Cross-section 6663
The electric current is 500mA. How much electric charge will pass through the cross-section of the conductor in 4 s? - Assemble 6449
How many natural numbers less than 400 can I assemble if the numbers do not repeat? - Percentage 5834
There are 1.5 times more women than men in the theater. What percentage of women are more than men in the theater? - Matrices 5702
How many columns will the matrix K contain, which will be the product of matrices I and J, where matrices I and J are square matrices of the sixth order? - Difference 5222
Determine the difference and the first term of AP if a3 + a4 = 48, a7 = 80. - Equation: 4386
Solve the power equation: 2.1463 = 0.4179x0.419 - Equation: 4197
Solve the equation: (4096^x) · 8! = 161280 - Determine 3938
Determine the quotient and the first member of GP if a3 = 0.39, and a1 + a2 = 0.39. - Difference 3908
Determine the fourth term and the difference AP if a1 = 3.2 and a2 + a3 = 7. - Expression 3811
Determine what y equals in the expression 5^y = 1/25 - Determine 3746
Determine the third and fourth member of GP if q = -0.6 and a1 + a2 = -0.2 - Intersection 3229
Intersection of graphs of functions y = 5x-2 and y = -3x-6 - Unknown 2881
Find an unknown number: (9 + y) x 6 = 12 x 7 y =? - Greatest angle
Calculate the greatest triangle angle with sides 124, 323, 302. - Observations 81124
The number of observations is 24, and the value of the mean is 28, then the sum of all the values is ... - The median (odd)
Janaiah's grades in her third periodical tests are 98, 97, 86, 94, 90, 97, 91, and 94. Find the median of her grades and interpret the result. - IQ scores
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What percentage of the population scores higher than 125 on an IQ test? - Properties of eq2 roots
If p and q are the zeroes of the quadratic polynomial f(x) = 2x2 - 7x + 3, find the value of p + q - pq.
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