Examples for secondary school students - page 37 of 212
Number of problems found: 4239
- Equation: 4014
Determine what x equals in the equation: (256^x): 10-1 = 40 - Determine 3948
Determine the quotient and the first member of GP if a3 = 0.52, and a1 + a2 = 0.39. - Twenty-first 3935
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42. - Probability 3891
Michal chose blue, white, red, orange, black, and brown shorts. What is the probability that he will select blue shorts? - Determine 3841
Determine the value of x: 2^x = (2^-3): 2 - Determine 3840
Find z if 12^z = 1/144 - Determine 3829
Determine the sum of the first three members of GP if q = 2 and a4 = 2.4. - Calculate 3803
Calculate the value of y: 3^y = 0.333 - Determine 3755
Find the third term and the quotient GP if a2 = -3, a1 + a2 = -2.5 - Inscribed 3689
There is a triangle ABC whose perimeter is 2s (2s = a + b + c), and the circle k (S, ρ) is the inscribed circle of the triangle. Calculate the length of the tangent of the circle k from point A. - Electrons 3363
How many electrons must be together to put a charge of -1C together? - Diameter 4111
How many balls with a diameter of 3.25 cm with a mixture in a circle with a diameter of 27 cm? - The usage
The battery usage time installed in a particular smartphone has a Normal distribution with a mean of 25.2 hours and a standard deviation of 7.5 hours. What is the probability of usage time greater than 32? - The probability 2
The probability that an adult possesses a credit card is 0.71. A researcher selects two adults at random. The probability (rounded to three decimal places) that the first adult possesses a credit card and the second adult does not possess a credit card is - A fair coin
A fair coin is tossed twice. Write down the set of possible outcomes. What is the probability of obtaining it? I. Exactly one head ii. No head - The lengths
The lengths of the twelve poles form an Arithmetic Progression (A. P). If the third pole is 3m and the eighth pole is 5 m, find the (i) Length of the first pole (ii) Sum of the length of the poles - Given 2
Given g(x)=x²+x+1 where x=t². What is g(t²)? - A frequency
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 2,14,13,8, and 1, respectively. Using percentages, what are the relative frequencies of the five classes? - Created trio
What is the probability that in the created trio, which consists of 19 boys and 12 girls, they will be: a) the boys themselves b) the girls themselves c) 2 boys and one girl? - Geometric progression
If the 6th term of a GP is four and the 10th is 4/81, find common ratio r.
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