Examples for secondary school students - page 20 of 212
Number of problems found: 4231
- Combinations 16213
From how many elements is it possible to create 120 second-class combinations? - System: 14033
Solve the system: 15x + 30y = -20 0.3x-0.2y = 0.4 - Arithmetic 7917
The arithmetic sequence is given: Sn = 222, n = 12, a1 = 2. Determine d, a12. - Geometric 5895
A2 + a3 = -6 a1 + a2 + a3 + a4 = 20 Geometric sequence q, a1? - Sequence 5535
Find the value of the third member of the sequence if the sequence is given by: 3^n + 93. - Domains: 4845
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9) - Equation: 4816
Solve the equation: 1/c - 3/(2c) = 3/4 - Determine 4053
Determine the GP quotient if a1 = -0.8 and a1 + a2 = 0.64. - Expression 3949
Determine what y equals in expression (16^y): 5 = 0.4 - Difference 3878
Determine the difference between members of AP and find the third term: 7; 3.6;... - Determine 3810
Determine the ratio of the first and second GP members if q = -0.3 and a3 = 5.4. - Determine 3750
Determine x if 27^x = 1/3 - 1600 3263
a1 = 1 s40 = 1600 a40 =? - Range, mean, median
The ages of 7 employees in an office are given below 32, 42, 30, 32, 33, 23, 32 Find a) Range b) Mean c) Median - Function: 83053
The inverse function to the function f(x) = √(x-3) for x ≥ 3 is the function: - Cylinder 82991
Please express r from the formula for the surface of the cylinder. - Equation 81932
Write the general equation of a circle with point S(2;5) and point B(5;6) lying on this circle. - Difference 81835
Determine the difference d in AP if a1=3 and a1+a2=12 - Combinations 80637
If the number of elements decreases by 4, the number of combinations of the second class from these elements decreases three times. How many elements are there? - Different 68754
We have six balls of different colors. We select two balls at once. How many options?
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