Grade - math word problems - page 520 of 953
Number of problems found: 19049
- Parallel and orthogonal
I need math help in this problem: a=(-5, 5 3) b=(-2,-4,-5) (they are vectors) Decompose the vector b into b=v+w where v is parallel to a and w is orthogonal to a, find v and w - Flower bouquet calculation
Three-fifths of the flowers are red, and eight flowers are yellow - how many bouquets of red and yellow flowers do they have? - Land fencing cost
The land is in the shape of a square with a side of 65.4 meters. Moreover, 1 meter of mesh costs 2.30 euros. How many euros do we pay for fencing land? - Living room floor
The living room has dimensions of 40 dm and 50 dm. A square meter of wooden floor costs 13 euros. How much do we pay to lay a wooden floor in the living room? - Unknown number
15% of the unknown number is 18, less than 21% of the same number. What is the unknown number? - Bisectors
As shown, in △ ABC, ∠C = 90°, AD bisects ∠BAC, DE⊥AB to E, BE = 2, BC = 6. Find the perimeter of triangle △ BDE. - Garden fencing calculation The rectangular garden measures 20 meters and 180 decimetres. How many meters of fencing need to be purchased?
- Square area calculation
The town square has the shape of a square measuring 510 meters. What is the size of this square? - Plot width calculation
The rectangular plot has an area of 200 square meters. The length of the land is 20 meters. How wide is the land? - The product
The product of a number plus that number and its inverse is two and one-half. What is the inverse of this number? - Trolleybus meeting time
Trolleybuses on different lines depart from the same terminal station at 4:10 in the morning. The first returns to the final station regularly in 1 hour, the second in 40 minutes, the third in 2 hours, and the fourth in 1 hour and 20 minutes. At what time - A cold front
At 1:00 PM, the temperature was 46 degrees. Then, a cold front moved in and decreased the temperature by 12 degrees per hour. The temperature at 6:00 PM = _____ degrees. - Tourist speed puzzle
If a tourist reduced his speed by 1 km/h, he would walk less than 12 km in 3 hours. If he added to the step by 1km/h, he would walk more than 25 km in 5 hours. How fast is the tourist? - Grass seed calculation
We should sow grass in a square-shaped garden with a side of 16.2 m. How many kg of grass seed do we need? One square meter is necessary for 25 grams. - Land wire fencing
The land is rectangular, with dimensions of 38m and 27.6m. How many meters of wire do we need to fence it and put the wire in triplicate? - Surface area of a cube
What is a cube's surface area with an edge of 3.5? - Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm². - Pool
How many hectoliters of water is in a cuboid pool (a = 25m, b = 8m) if the area of the wetted walls is 279.2 m²? - Book reading comparison
Peter and Eve read the same book. Petra read 14 pages a day, so she read it a day before Eva, who read 12 pages a day. How many pages did the book have? - Quadrilateral prism + water
We poured water up to a height of 34 cm into a container of a regular quadrilateral prism with a base edge a = 10.6 cm and a wall diagonal of 3.9 dm. We then inserted a 6 cm long cylinder with a diameter of 10 cm. How many liters of water overflowed?
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