Isolating a variable in the formula - math word problems - page 131 of 144
Number of problems found: 2871
- Contract
Eight employees complete the contract for 65 hours. After 17 hours, three employees had to leave for another job. How many more hours will the job on the contract be fulfilled? - Calculation 3620
The mine foreman calculated that 2 pumps must be in operation for 17.5 hours to drain the tunnel. He wanted to speed up the emptying of the shaft and added 3 more identical pumps. How long will it take to empty the shaft? Please also show your calculation - Rhumbline
Find the circumference and area of the rhumbline ABCD if the short side AD has a length of 5 cm, and the heel of the height from D leading to the AB side divides the AB side into two sections of 3 cm and 4 cm. - Master work
The master will complete the given task in 4 hours. When they're done together, how long will it take to master students entirely in three hours? - Horizontal Cylindrical Segment
How much fuel is in the horizontal cylindrical segment tank with a length of 10m, a width of level 1 meter, and a level of 0.2 meters below the tank's upper side? - Tetrahedral pyramid
It is given a regular tetrahedral pyramid with a base edge of 6 cm and a height of pyramid 10 cm. Calculate the length of its side edges. - Cylinder:
Cylinder: calculate the height of a 3-liter cylindrical pot with a diameter of 10 cm.
- Chimney - view angle
From a distance of 36 meters from the chimney base, its top can be seen at an angle of 53°. Calculate the chimney height and the result round to whole decimeters. - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - Euclid theorems
Calculate the sides of a right triangle if leg a = 6 cm and a section of the hypotenuse, which is located adjacent to the second leg b, is 5cm. - Trapezium
The area of trapezium is 35cm². Find its height if the bases are 6cm and 8cm long. - Vacation 3568
Novak and Vyborn are leaving from a joint vacation. They agreed that when they were 100 km apart, they would send each other SMS. Novices drive at a speed of 60 km/h, Advanced 90 km/h. They left at 2:00 PM (14:00). What time do they text each other? - Calculate 3562
The 16 cm long string is 6 cm from the circle's center. Calculate the length of the circle. - Turnover 3546
They had the same sales plan in Mr. Nový's two stores. In the first store, they exceeded the plan by 23% and in the second by 25%. They had a total turnover of € 66,000. What revenue did each store have? - Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2.
- Calculate 3526
Calculate the height size in the triangle ABC if the side length a = 20cm and the area of the triangle is 50 cm square. - Rectangular triangle PQR
In the rectangular triangle PQR, the PQ leg is divided by the X point into two segments, of which longer is 25cm long. The second leg PR has a length of 16 cm. The length of the RX is 20 cm. Calculate the length p of side RQ. The result is round to 2 deci - A mast
The wind broke a mast 32 meters high so that its top touched the ground 16 meters from the pole. The still-standing part of the mast, the broken part, and the ground form a rectangular triangle. At what height was the mast broken? - Acceleration 3503
What speed was the car moving until the driver started braking when it moved with a constant acceleration a = -1.2m/s² during braking until it stopped, traveling a distance of 135m? - Twenty-seven 3476
Twenty-seven workers did the work in 12 days. In how many days would nine workers do the same job?
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