Length + mean - practice problems
Number of problems found: 60
- The midpoint 2
Find the value of x if M is the midpoint of PQ, PQ=10x−7, and PM=14. - A plumber
A plumber has the following lengths of PVC: 3.3 ft, 9.77 ft, 8.41 ft, 9.61 ft, and 8 ft. What is his average length of PVC? - Ascent 2725
If the road has an ascent of 8%, does that mean it will climb by 200 m? - Midpoint 6
For line segment length is given: FM=8a+1, FG=42. Point M is the midpoint of FG. Find unknown a. - Bases
The length of the bases trapezium is in ratio 4:5. The length of the midline is 15. How long are the bases of a trapezoid? - Geometric mean
Calculate the geometric mean of numbers a=15.2 and b=25.6. Determine the mean by construction where a and b are the length of the lines. - A swimmer 2
A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily? - MPG
$m miles a week fills up twice a week. Each fill is $g gallons. What is the gas mileage of the car? - The average height
The average height of six friends is 181 cm. Peter came among them, which reduced the average height by 2 cm. Calculate Peter's height. - MG=7x-15,
Length of lines MG = 7x-15 and FG = 33 Point M is the midpoint of FG. Find the unknown x. - Lengths 6
Lengths of 130 tubes are measured. The arithmetic mean is 17.27 cm, and the standard deviation is 1.2 cm. How many tubes do have a length: a) between 16.5 cm and 18.1 cm b) greater than 17 cm - Calculate 63894
In the 8A class, the average height of 12 girls is 156 cm, and the average height of 14 boys is 172 cm. Calculate the average number of students in 8A. - Three altitudes
A triangle with altitudes 4, 5, and 6 cm is given. Calculate the lengths of all medians and all sides in a triangle. - Measurements: 44341
Laboratory measurements determined the following roller lengths (in millimeters): {402; 410; 412; 410; 413; 418; 405; 409; 410; 409} Calculate arithmetic, geometric mean, mode, and median. - Center of line segment
Calculate the distance of point X [1,3] from the center of the line segment x = 2-6t, y = 1-4t; t is from interval <0,1>. - Average height
The average height of all pupils is 162 cm. The class teacher's height is 178 cm. The average height of all (teacher and all pupils) is 163 cm. Calculate the number of pupils in the class. - Medians in RT
The rectangular triangle ABC has a length of 10 cm and 24 cm. Points P, Q, and R are the centers of the sides of this triangle. The perimeter of the PQR triangle is: - Athletic competition
In a 400-meter athletic competition, a participant covers the distance given below. Find the average speed. first 80 meters 10 m/s next 240 meters 7.5 m/s last 80 meters 10 m/s - 21-kilometer 7555
A tourist moving at the same pace completes a 21-kilometer hike in 4 hours, taking a 30-minute break. Calculate the average speed of tourists. - Kristina 5267
It is 2 cm higher than the average height of the pupil in the class. Kristýna is missing up to an average height of 7 cm. How taller is Samo taller than Kristina?
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