Equations practice problems - page 219 of 250
Number of problems found: 4996
- Quadratic function 2
Which of the points belong to function f:y= 2x²- 3x + 1 : A(-2, 15) B (3,10) C (1,4) - Quadratic function
Write the equation of the quadratic function, which includes points A (-1, 10), B (2, 19), C (1,4) - Addends
Number 118 is divided into two addends, so the first addend is 69, greater than 75% of the second addend. - Mr. Happy
Mr. Happy planted 36.6 meters of square garden grass; It's a third of the garden, more than half of the garden. What is the square area of this garden? - Three friends
Peter is eight times older than Ralph, and Ralph is three times younger than Joseph. Together they are 120 years old. How old is each of them? - Work at plant
The handyman vowed to do repair work at the plant for 25 days. However, work had to be shortened, so he sought help. Together, they made all the corrections for 13 1/3 days. How long would the work take the helper himself? - Soup
On Monday, we cooked 25 pots and ten boilers of soup. On Tuesday, we cooked 15 pots and 13 boilers. On Wednesday, we cooked 20 pots, and on Thursday, we cooked 30 boilers. The same amount of soup was cooked on Monday and Tuesday. How many times is more so - Unoccupied swallows
The swallows flew in and sat on the benches, one swallow on each bench, while one swallow did not miss an empty bench. If two swallows sat on each bench, one bench would remain unoccupied. How many swallows were there, and how many benches? - Repairman
A repairman promised to complete repair work at the plant in 25 days. However, the work had to be shortened, so he took on a helper. Together, they finished all the repairs in a full day. How long would the helper take to do the work alone? - Two masons
Two masons built the garage together—it took 18 days. If they worked independently, the other would have worked 15 days more than the first. How many days would it take each mason to build the garage alone? - Bricklayers
Eight bricklayers build a house for 630 days. How many bricklayers must be added after 150 days to complete the building in (next) 320 days? - Painters 4
One painter can do a job in 12 days. After 4 1/3 days, a second painter comes to help, and together they complete the work in 8 days. How long would the second painter take to do the job alone? - School marks
Boris has a total of 22 grades. He has one-third as much ones as threes. He has two twos. How many ones and threes does he have? - Primes 2
For what primes p,q,r is true: p²-(q+r)²=647 - Hiker and cyclist
At 7 PM hiker started at 6 km/h to hike. After three hours started on the same trip cyclist at a speed of 15 km/h. After an hour of driving a flat tire and takes him half hour to correct the defect. At what time catch up cyclist with the hiker? - Buttons
The shirt has six buttons, and the blouse has four buttons. All buttons are 176. Shirts and blouses are together 36. How many shirts and blouses? - Number
What number do I think? The third is 6, and a half is two more than its quarter. - Tickets
The football tournament ticket cost 45 CZK for standing and 120 CZK for sitting. Sitting spectators were 1/3 more than standing. The organizers collected a total of 12300 CZK. How many seated and standing seats (spectators)? - Equation root calculation
Calculate the root of the equation: x - (- 250) = - 500 - Family
Mom is 39 years old. Karl is eight, and Paul is four. In many years, would the mother be old, just like two children together?
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