Equations practice problems - page 190 of 250
Number of problems found: 4996
- Expression values
Determine the x and y values in the expression: x! · 10^y = 0.0504. - Ravens
On two trees sits 17 ravens. If three ravens flew from the first to the second tree and five ravens took off from the second tree, then the first tree has two times more ravens than the second tree. How many ravens were originally on every tree? - Unknown number
I think the number - its sixth is three smaller than its third. - Simple equation
Solve for x: 3(x + 2) = x - 18 - Airport planes
By evening, 26 planes had arrived at Orange Airport, and 39 departed. In the evening, there were 54 at Orange Airport. How many planes were there at Orange Airport in the morning? - Simple equation
Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x) - Exponent value
Determine x if 3^x: 3²996 = 81 - Equation test
Solve the equation and perform the test: a) 3 (5-2x) + 5x = 5 -3 (x -1) b) 2 (4y + 3) -3 = 2 - 5 (1 - y) - Percentage calculation
0.6 percent of n is 18. calculate n. - Unknown number 11
What number, when increased by three, equals three times itself? - Number property
Seven times the number minus 3 is as big as three times the same number minus 7. Which number has this property? - The water Can
A watering can full of water weighs 10 kg. Half-full can weigh 5.5 kg. How much weight is a can? - Terrace tiles
Mr. Novak wants to pave a terrace using two sizes of square tiles, while minimising the number of tiles. His terrace is square with a side of 3 metres. Two sides of the terrace are against the house wall. Along the walls, he wants to place small tiles, an - Solving the equation x + 6/6 -x-3/3 = 3/4
- 925 USD
Four classmates saved an annual total of 925 USD. The second saves twice as the first, the third 35 USD more than the second, and the fourth 10 USD less than the first. How does USD save each of them? - Rational equation
x-2 / x-1 -2 = x + 1 / x-2 - Norm
Three workers planted 3555 seedlings of tomatoes in one day. The first worked at the standard norm, the second planted 120 more seedlings, and the third was 135 more than the first worker. How many seedlings were the standard norm? - Orchard
3/5 of the trees in the orchard are apples, 1/3 are cherries, and the remaining five trees are pears. How many trees are in the orchard? - Cyclist trajectory
The seat of the bicycle is 1.2 m high. The cyclist weighs 82 kg, is going down a 15% hill at a speed of 50 km/h, and hits a curb 20 cm high at an angle of 45 degrees. How far from the center of the front wheel's axis is the cyclist thrown? We are assuming - Exponent equation
Determine what x equals in the equation: (256^x): 10-1 = 40
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