Basic operations and concepts - math word problems - page 173 of 319
Number of problems found: 6371
- Divisibility
Determine all divisors of a number 91. - Equation - integers
Solve the equation with the unknown x from the field of natural numbers 1+6+11+16+. ... +x=970 - Two numbers 14
Two numbers are in the ratio 7:9. If the sum of the numbers is 112, then the larger number is: - HP - harmonic progression
Determine the 8th term of the harmonic progression 2, 4/3, 1,… - Unknown number x
5% from an unknown number equals the number 26. What is the unknown number? - Inflation
What is better for people (employees)? ... - Schoolmaster 5412
The schoolmaster has a classroom schedule where the linoleum needs to be replaced. The classroom floor is a 45mm x 65mm rectangle on a 1:200 scale plan. How much will linoleum cost if 1 square meter costs €13.80?
- Wool ball
Mrs. Black used 1.2 kg of wool to knit the sweater. The shop sold a wool ball weighing 100 grams for 39 CZK. How much money would she save if she knitted the sweater herself than if she bought it for CZK 720 in the shop? (CZK is Czech currency = Kč) - Determine 82975 Determine the sum of all positive odd numbers less than 78
- 2-3-6-15-42- 62474
A series of numbers was created according to a specific key. Uncover it and fill in the last two missing numbers. 2-3-6-15-42-? -? - Determine 3861
Determine the value of f: 0.49^f = 0.7 - Powers 3
2 to the power of n divided by 4 to the power of -3 equals 4. What is the value of n? - Procedure 7191
I have a board measuring 3.2 m x 1.23 m, and I need to draw it in A3 format. It is 42 cm x 29.7 cm. How do I find out the ratio for drawing the board? I will also ask for the procedure. - Reduce ratio
Express the following ratio in simplest form: 30:42 - Function: 83053
The inverse function to the function f(x) = √(x-3) for x ≥ 3 is the function:
- Determine 23131
Determine x in the ratio: 200:6 = x: 400 - Expression 3801 What is the value of x in the expression 8^x = 1/64
- Triangles
Hanka cut the 20 cm long straws into three pieces. Each piece had a length in cm. Then, with these three pieces, she tried to make a triangle. a) What circuit has each of the triangles? b) How long can the longest side measure? c) How many different trian - Diameter 7591
The pedal wheel on a bicycle has 28 teeth. The gear wheel on the rear wheel has 8 teeth. How many times does the rear wheel turn if we step on both feet 112 times? How many meters can we travel with it at least, and how much more if the rear wheel has a d - Bed 10
A bed shaped like two equilateral triangles with a common side, with a side length of 2.5 m, is to be planted with seedlings of an ornamental shrub. The gardener recommended leaving 40 cm between the individual seedlings and 10 cm of the perimeter for the
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