Examples for secondary school students - page 6 of 212
Number of problems found: 4231
- Vector 7
Given vector OA(12,16) and vector OB(4,1). Find vector AB and vector |A|. - Third member
Determine the third member of the AP if a4=93, d=7.5. - Fraction
For what x expression $eq equals zero? - Hockey
The hockey match ended 7:4. How many different matches could be? - Trigonometry
Is true equality? sin(x +13 π)= sin(x) - Geometric 20
Find the geometric mean of 15 15 20 25 30. - Indirectly: 55581
Prove indirectly: No odd natural number is divisible by four. - Difference 7159
The product of two natural numbers is 323, and their difference is 2. Determine the numbers. - System: 4681
Solve the system: (x + 5) (y-2) = (x-1) (y + 1) (x + 1) (y + 1) = (x + 5) (y-1) - Rectangular 4598
The rectangular matrix contains three rows and four columns. Determine how many elements this matrix contains. - Determinant 4161
The determinant of the inverse matrix to matrix B has a value of 0.25. What is the value of the determinant of matrix B? - Derivative 4041
Is there a continuous function that has no derivative at every point? - Determine 3888
Determine the sum of the three-third roots of the number 64. - Determine 2419
Determine the first seven members of the sequence if a8 = 12, d = 1 - Determine 2388
Determine the fifth member of the sequence if a1 = -32, q = 21 - Geometric progression
For the following geometric progression, find the seventh (7th) term: 4, 12, 36, 108, . - Z-score 3
A random variable X has a mean of 4 and a standard deviation of 2. What is the corresponding z-score for x = 7? - What are 3
What are the five arithmetic means between 2 and 44? - Modulus and argument
Find the mod z and argument z if z=i - Insert 5
Insert five harmonic means between 1/2 and 1/26
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