Searching word math problems
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- Increase the number
I think the number zero is obtained by increasing it by four, then reducing it by seven, adding nine, and taking 50. Which number do I think? - Angle in RT
Determine the size of the smallest internal angle of a right triangle whose sides are consecutive terms of an arithmetic progression. - Block measurements
Calculate the solid diagonal of a block whose dimensions are: a = 3 cm, b = 5, c = 7 cm. Find its volume as well. - Exponent value
Determine what y equals in expression (16^y): 5 = 0.4 - Geometric progression
Determine the quotient and the first member of GP if a3 = 0.52 and a1 + a2 = 0.39. - Percents of percentages
Calculate: (a) 5% of 25% of 85 b) 4% of 20% of 1500 c) 83% of 20% of 25 d) 0.3% of 70% of 90 - Number increase
Increase number 160 by: a) 25% b) 30% c) 150% - Square root sum
Determine the sum of the square roots of the number 25. - Expression calculations
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Skiing
The ski gondola starts at a distance of 975 m from the top and is 389 meters long. I went from the bottom station to the top station. How many meters must I go to the top of the hill? - Average temperature
The following temperatures were measured every 6 hours from 6 to 24 hours: -2.2 C, 2.1 C, 5.4 C, 3.9 C, 0.7 C, -1.9 C, -3.8 C. Calculate the average temperature from 6 to 24 hours. - Napkin ribbon
Petra invited her friends Olga and Pavel to sew. Olga sewed three tablecloths, Pavel two, and Petra five rectangular napkins measuring 39 times 30 cm. Was it enough for them to decorate 15 meters of ribbon? - Cube diagonal
Calculate the solid diagonal of a cube whose surface equals 24 square centimeters. - Part-time earnings
Petr got a three-day part-time job for the holidays. On the first day, he earned 1/4 of the total amount. On the second day, 2/5 of the last two days, and on the third day, he made CZK 450. How much did you earn in total? - Geometric progression
Determine the quotient and the first member of GP if a3 = 0.39 and a1 + a2 = 0.39. - Lcm simple
Find the least common multiple of these two numbers: 140 175. - Angle
Determine the size of the smallest internal angle of a right triangle whose angles form consecutive terms of an arithmetic sequence. - Arithmetic progression
Determine the twenty-first term and the difference AP if a1 = 0.12 and a1 + a2 = 0.42. - Square s3
Calculate the square's diagonal, where its area is 0.49 cm². And also calculate its circumference. - Area of a cube Calculate the surface area of a cube if its volume is equal to 729 cubic meters.
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