Maths practice for 14 year olds - page 344 of 368
Number of problems found: 7349
- Comparing powers
How many times is number 66 larger than number 46? - Inscribed rectangle
The circle area is 231. Determine the area of the inscribed rectangle with one side 13 long. - Tachometer
Tatra's tachometer shows the initial state 275639 km this morning. Today, Tatra travels at an average speed of 28 km/h. Determine the function that describes the Tatra's tachometer depending on the time. What is the state of the tachometer after 7.1 hours - Alcohol 2
Two types of alcohol, one 46% and second 64%, give 16 liters of 54% alcohol. How many liters of each type are in the mixture? - V - slope
The slope of the line whose equation is -6x +7 = 0 is - Price reduction
The price of the camera is 360 Euro on sale. They reduced its price to 198 Euro. Calculate the percentage reduction in the price of the camera. - Slope form
Find the equation of a line given the point X(8, 1) and slope -2.8. Arrange your answer in the form y = ax + b, where a and b are the constants. - Line segment
For the line segment whose endpoints are L[-1, 13] and M[18, 2], find the x and y values for the point located 4 over 7, the distance from L to M. - Slope
Calculate the slope of a line that intersects points (77,-35) and (11,44). - 30-60-90
The longer leg of a 30°-60°-90° triangle measures 14. What is the length of the shorter leg? - Chord - TS v2
The radius of circle k measures 72 cm. Chord GH = 11 cm. What is TS? - Chord - TS The radius of circle k measures 68 cm. Arc GH = 47 cm. What is TS?
- Rhombus diagonal
The area of a rhombus is 790. One diagonal measures 45. Find the length of the second diagonal. - Division
Three siblings, Helena, Oliver, and George, split the bag with candies on merit in the ratio 1:10:2. How many candies should each get if in the bag were 169? - EQL triangle
Calculate the inradius and circumradius of an equilateral triangle with side a=67 cm. - Gasholder
The gasholder has a spherical shape with a diameter of 26 m. How many cubic meters (m³) can hold in? - Flowerbed 2
Around the square flower bed in a park is a sidewalk about 1.3 m wide. The area of this sidewalk is 246 m². What is the area of the flowerbed? - Trapezoid ABCD v2
Trapezoid ABCD has a length of bases in ratio 2:7. The area of triangle ACD is 140 dm². What is the area of trapezoid ABCD? - Truncated cone
Calculate the height of the rotating truncated cone with volume V = 1471 cm³ and a base radii r1 = 6.1 cm and r2 = 7.9 cm. - Carpenter
A carpenter cut off a small cuboid block with half the edge length from a wooden block. How many percent of wood did he cut off?
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