Algebra - math word problems - page 263 of 312
Number of problems found: 6224
- The projectile
The projectile was fired horizontally from a height of h = 25 meters above the ground at a speed of v0 = 250 m/s. Find the range and flight time of the projectile. - At 5:00
At 5:00 AM, the room temperature was 20 °C. After six hours, the reading was 28 °C. The temperature rose to how many degrees? What was the average change in temperature per hour? - Squirrel acorn supply
A supply of acorns will last a squirrel for 12 weeks and a squirrel for 18 weeks. They ate acorns together for 4 weeks, then the squirrel left. How long did the squirrel have a supply of acorns? - The noon-time The noon-time temperature was 29 °F. It was 4 °F lower than predicted. Write and solve an equation to determine the predicted noon-time temperature.
- Worker repair time
The worker performs the repair work in 20 days, and his assistant does the job himself in 60 days. How many days would they work together? - Work together
Two bricklayers are plastering a wall. The first would plaster it in 8 hours, the second in 12 hours. If they work together, how many hours will they be done? - Largest number n
Find the largest natural number d that has that property for any natural number n; the number V(n) is the value of the expression: V (n) = n ^ 4 + 11n²−12 is divisible by d. - Water reservoir
A water reservoir is filled through one inlet 4 hours longer than through both inlets, and through another inlet 9 hours longer. How long does each inlet take to fill it separately? - Bricklayer apprentice wall
A bricklayer and an apprentice can build a wall together in 6 hours. Working alone, the bricklayer would finish 5 hours sooner than the apprentice. How long would it take the bricklayer to build the wall by himself? - Three men
If three men can do a job in 8 days, how many men are needed to do the same job in 6 days? - Painter bridge
Two painters will paint the bridge in 12 days. How many painters must we employ if we need to paint the bridge in 8 days? - Workshops
The first workshop will complete the robot itself in 15 days, and the second workshop in 10 days. They started together, but only the second workshop worked after three days. Thus, the work will take 15 days. - Our house
Four painters would paint our house in 14 days. How long would it take to paint five painters? How long would it take for two other painters to help after five days? - Motorcycle acceleration
Find the acceleration of a motorcycle that covers 64 metres in 8 seconds, starting from rest. - Children average age
The average age of the children in the group is 14 years. There are four times more boys than girls in the group. The average age of the girls in the group is 12 years. What is the average age of boys? - The scores
The scores of 10 learners in a test arranged in ascending order are 12, 13, 13, a, (a + 3), (52 - 2a), (2a - 8), 23, 23, and 24. If the median mark is 20, find (a) value of a. (b) mean - Heating Liquid Graph Analysis
Colorless liquid weighing m = 200 g is heated with constant stirring on a stove with power input P0 = 600 W. 80% of the supplied energy is used to heat the liquid. Selected measured values of liquid temperature as a function of time are recorded in the ta - Open intervals
Open intervals A = (x-2; 2x-1) and B = (3x-4; 4) are given. Find the largest real number for which A ⊂ B applies. - Pool tiling
The first tiler would cover the inside of the pool in 5 working days, and the second would need seven working days for the same work. In how many days would they line the inside of the pool together? - Two resistors
Two resistors when they give 25 ohms in series and 4 ohms in parallel, what are the values of
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