Examples for secondary school students - page 42 of 212
Number of problems found: 4231
- Natural 3838
Find a natural number whose square root is 27 times its square root. - Determine 3751
Determine the sum of the second and fifth AP members if a1 = -4.12, d = -0.7 - Equation: 3726
Determine the real root of the equation: x^-3: x^-8 = 32 - Determine 3586
Determine the size of the vectors u = (2,4) and v = (-3,3) - Determined 3570
There are 12 points in space, with no three lying on a straight line. How many different planes are determined by these points? - Themselves 3463
How many different ways can members of a 7-member philatelic circle elect a secretary and a steward from among themselves? - Equality 2817
Fill in the boxes with the same numbers so that equality applies: 550:? =? x 22 - Triangle 2668
The triangle ABC has side lengths a = 14 cm, b = 20 cm, c = 7.5 cm. Find the sizes of the angles and the area of this triangle. - A basket 4
A basket contains 9 fruits, where 4 are oranges, and the rest are mangoes. Three fruits are taken out one at a time and put aside. Find the probability that 3 are oranges. - Economic order quantity
Annual demand for a component is 20 000 units per year. Storage cost per unit per year is £8, and each order costs £200. What is the company’s economic order quantity? - A triangle 6
A triangle has vertices on a coordinate grid at H(-2,7), I(4,7), and J(4,-9). What is the length, in units, of vector HI? - An odd function
If the points (5, -6) and (-3, 4) lie on the graph of an odd function f, then what are the values of f(-5) and f(3)? Is it possible to know this without seeing the graph of f? - Equal distance
Find the equation for all the points (x, y) that are equal in distance from points A(5,-2) and B(-2,10). - How many 23
How many times should a dice be rolled to obtain a most likely number of 2 points on it to be equal to 32? - Square function
If z varies jointly as x and the square of y, and z = 20 when x = 4 and y = 2, find z when x = 2 and y = 4. - Balls in row
Calculate the number of ways of placing four black balls, four turquoise balls, and five gold balls in a row. - School student
The probability that a school student has a skateboard is 0.34, the probability that he has a bicycle is 0.81, and the probability that he has a skateboard and a bicycle is 0.22. What is the probability that a randomly selected student has a skateboard or - Three unknown numbers
The sum of the three numbers is 106. the first number is ten more than the third. The second number is 2x the third. What are the numbers? - A bag
A bag contains nine blue marbles and one green marble. What is the probability of drawing a blue marble followed by a green marble without replacing the first marble before drawing the second marble? - 8 wooden
Eight wooden poles are used for pillars, and the length of the pillars is from an arithmetic progression. If the second pole is 2 meters and the sixth pole is in order 5 meters, find the difference between the sixth and seventh poles.
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