Equations practice problems - page 191 of 250
Number of problems found: 4996
- Triangle angles
In a triangle, one internal angle measures 36 degrees. The second angle is twice the third angle. Calculate unknown angles. - Bicycle gears
The toothed wheel on the bicycle pedal has 40 teeth, and the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times? - Equation solving
Solve the equation: (4x / 2.5x) + (2.4: x) = 3.1. x is a natural number. - Rectangle diagonal
Calculate the diagonal length of a rectangle whose length is 3 cm greater than its width and whose circumference is 18 centimeters. - Algebrogram
Solve algebrogram: mama+anna=vari How many solutions are? - Fabric package
They sold one-fifth of the fabric package in the store, and 44 m of fabric remained in it. How many meters of fabric were in the package? - Square and rectangle
Calculate the side of a square, whose area equals the area of a rectangle that is 3 cm longer and 2 cm narrower than the side of the square. - Trapezoid bases
In a trapezoid, the difference between the bases is 6 cm. Calculate the lengths of the bases of the trapezoid when its height is 8 cm and the area of the trapezoid is 168 cm². - Wheel revolutions
The circumference of the vehicle's front wheel is 1.44 m, and the circumference of the rear wheel is 2.56 m. How long did the vehicle travel when the front wheel made 560 more revolutions than the rear? For the unknown, choose the number of revolutions of - Two numbers The sum of two numbers is 10,000, and one is four times larger than the other. What are two numbers?
- Number average
The average of the two numbers is 74. One of these numbers is a) 62.5 b) 102 specify the second number - Scrap collection
Pupils collected 3,740 kg of scrap iron, 140 kg more than nine times what Palko himself collected. How much scrap did Palko collect? - Car catching up
In the direction of Hradec Králové, a car left Prague at 8 hours at a 50 km/h speed. At 8 hours and 30 minutes, another car followed him at an average 70 km/h speed. How long will it take to catch up with the first car? - Equation value
What is the value of x in this equation: 2.5x: 4 = 7.5. x is a natural number. - Increase the number
I think the number zero is obtained by increasing it by four, then reducing it by seven, adding nine, and taking 50. Which number do I think? - Angle in RT Determine the size of the smallest internal angle of a right triangle whose sides are consecutive terms of an arithmetic progression.
- Exponent value
Determine what y equals in expression (16^y): 5 = 0.4 - Geometric progression
Determine the quotient and the first member of GP if a3 = 0.52 and a1 + a2 = 0.39. - Part-time earnings
Petr got a three-day part-time job for the holidays. On the first day, he earned 1/4 of the total amount. On the second day, 2/5 of the last two days, and on the third day, he made CZK 450. How much did you earn in total? - Geometric progression
Determine the quotient and the first member of GP if a3 = 0.39 and a1 + a2 = 0.39.
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