Grade - math word problems - page 528 of 968

Number of problems found: 19343

Equal temperature
We measured the temperatures of the two cities simultaneously. The temperature in town A was 60 degrees and rose at a constant rate of 2 degrees per hour. The temperature in city B was 40° and rose at a constant rate of 10° per hour. Find the time in hour
The Indian tent
The Indian tent is cone-shaped. Its height is 3.5 m. The diameter of the base is 2.5 m. How much canvas is needed to make a tire?
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. A cold front then moved in and decreased the temperature by 12 degrees per hour. What was the temperature at 6:00 PM?
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 1 km/h, he would walk more than 25 km in 5 hours. How fast is the tourist?
Candies in the jug
In the jug there are candies. The first taker of candy was Lukáš, who took a certain number. The second taker was Zuzka, who took twice as many candies as Jirka; at that moment there were 0 candies in the jug. How many did each of them take, if the number
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 38 m and 27.6 m. 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 circumference of a circle in dm whose radius equals the side of a square with an area of 0.49 dm².

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