Examples for secondary school students - page 13 of 212
Number of problems found: 4239
- Powers 3
2 to the power of n divided by 4 to the power of -3 equal 4. What is the value of n? - GP members
The geometric sequence has ten members. The last two members are 2 and -1. Which member is -1/16? - Reciprocal equation 2
Solve this equation: x + 5/x - 6 = 4/11 - Geometric progression 4
There is number sequence: 8,4√2,4,2√2 Prove that the sequence is geometric. Find the common ratio and the following three members. - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - Coefficient
Determine the coefficient of this sequence: 7.2; 2.4; 0.8 - Average
If the average(arithmetic mean) of three numbers x,y, and z are 50. What is the average of their numbers (3x +10), (3y +10), (3z+10)? - Cuboid
Find the cuboid that has the same surface area as the volume. - Statements true/false
Which of the statements is not correct: ... - Cylinder diameter
The surface of the cylinder is 149 cm². The cylinder height is 6 cm. What is the diameter of this cylinder? - Hexadecimal number
What will be the hexadecimal number 303 as a decimal number? - AS sequence
In an arithmetic sequence is given the difference d = -3 and a71 = 455. a) Determine the value of a62 b) Determine the sum of 71 members. - Squaring the Circle
Find the side of the square with the same area as the circle of radius 18. - Sequence
Write the first 6 members of this sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an - Roots
Find the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: 5x ² +9x + q = 0 - Examination
The class is 25 students. How many ways can we choose 5 students for examination? - Lottery
The lottery is 60000 elk, in which 6200 wins. What is the probability that the purchase of 12 elks won nothing? - Cryptogram 73784
Solve the cryptogram (equation with letters, where the letter is one digit) Fot Bal ---- Cvik - Designated 66594
Marenka is required to read three books out of five designated books. How many ways can three books choose to be read? - Characters 63404
How many characters can we create from two commas and four dots?
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