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Discover the latest math problems and word problems designed to deepen your understanding of mathematics. Solutions are explained simply and clearly so that everyone can follow along. Regular practice is the best way to succeed at school and in entrance exams. New problems are added every day — come back and practice more.Number of problems found: 19688
- Hockey goals
Slovak hockey players scored many goals during their careers. How many were there when Satan scored 15 goals and it was 3 times more than Chara scored? Chara gave 4 times less than Svatoš and Svatoš gave 2 times more than Višňovsky. How many goals did the - Hot air balloon
The center of the balloon is at an altitude of 600 m above the ground (AGL). The observer on earth sees the center of the balloon at an elevation angle of 38°20'. The balloon is seen from the perspective of an angle of 1°16'. Calculate the diameter of the - Metric fractions
Express the fraction and decimal number of which part of the meter is: 120mm, 25cm, 7dm, 670mm, 48cm, 9.7dm. - Infinite series
Determine the sum of an infinite series: 1/3 + 1/9 + 1/27 + 1/81 ... - Fertilizer weight
Fertilizer for gardeners contains the following trace elements: bor. ... ..minimum 0.3promile weight. What is the smallest weight of each trace element in a five-kilogram fertilizer package? - Balls in circle
How many balls with a diameter of 3.25 cm with a mixture in a circle with a diameter of 27 cm? - Cruise liner
The cruise liner runs along the river between points A and B. The journey downstream takes 40 minutes and 1 hour upriver. The flow rate of the river is 3 km/h. What is the speed of a cruise liner? - Gym length
The gym is 16 m wide and has an area of 384 m². Find its length. - Pumps
Five pumps pumped 1,800 hl of water for 3 hours. How many hectoliters of water did the same two powerful pumps pump for six hours? - Photo arrangement
Four girlfriends want to take a photo together. How many different ways can they stand side by side? - Moon
We see the Moon from the perspective angle 28'. At the time of the full Moon, the Moon's radius is 1740 km. Calculate the mean distance of the Moon from the Earth. - Three vectors
The three forces whose amplitudes are in ratio 9:10:17 act in the plane at one point to balance. Determine the angles of each of the two forces. - Equation value
Determine the value of x in this equation: (0.125^x) · 104 = 5000 - Medicine dosage
The package leaflet for the patient states that the medicine contains 7.5 mg of salt per ml solution (1 ml = 15 drops). The dosage of the drug for children is up to 4 years - maximum of four drops, from 4 to 10 years - 5 to 10 drops, and over 10 years - 1 - Difference - two complex
Determine the difference between two complex numbers: 3i²-3i4 - Write decimals
Write in the decimal system the short and advanced form of these numbers: a) four thousand seventy-nine b) five hundred and one thousand six hundred and ten c) nine million twenty-six - Expression value Specify the value of this expression: (2-7) · 1012
- Forces
Forces with magnitudes F1 = 42 N and F2 = 35 N act at a common point and make an angle of 77°12'. How big is their resultant? - Total
In one class, each student collected an average of 20 kg of paper; in the second class, 30 kg; and in the third class, 40 kg. How many kilograms of paper did one student collect on average across all three classes, given that the second class had the same - Cuboid surface
Determine the surface area of the cuboid if its volume is 52.8 cm³ and the length of the two edges are 2 cm and 6 cm.
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