Grade - math word problems - page 103 of 949
Number of problems found: 18972
- Testing students
Giving a test to a group of students, the grades and gender are summarized below. Grades and Gender ; A; B ; C ; Total Male; 20; 6; 19 ; 45 Female ; 17; 18; 13; 48 Total; 37; 24; 32; 93 If one student is chosen at random, a) Find the probability that the - Electrical 11
An electrical device produces 4.2 MJ of work per hour at an efficiency of 0.53 (53%). What is the power input of this device? - Goalkeeper - success rate
Calculate the success rate of a hockey goalie who saved 30 out of 32 shots at his goal during a match. - A car license plate
A car license plate consists of one letter (out of 26) and six numbers. How many of these numbers can be formed if the letter is always in second place and cannot be adjacent to zero? - Runner 6
A runner runs the first lap of a circuit at an average speed of 5 km/h. At what speed must the second lap of the same circuit be run so that the average speed of both laps is 10 km/h? - AP - sum15
Calculate the sum of the first 15 terms of the arithmetic sequence if a1=5, d=-3 - Rent increase
Calculate how much the rent should be increased for the tenant to cover inflation of 7% per year. The first year, the rent is 550 euros. Calculate the correct rent for the first 5 years so that you have the same rent in "loaves". - Calculate 258
Calculate the volume and surface area of a prism with a trapezoidal base and a height of 9 cm. The base is an isosceles trapezoid with bases of lengths 3 cm and 6 cm and arms of length 2.5 cm. The height of the base is 2cm. - 3 squirrels
We were on a trip to the Beskydy Mountains. On the first day, we saw 3 squirrels and walked 14.3 km. On the second day, we walked more slowly to see more squirrels, so we only walked 8.25 km. On the third day, a squirrel hit Franta on the head with a pine - Cake 3
A cake weighs 2 3/5 kg. What is the weight of 8 cakes? - Beekeeper 2
The beekeeper has more than 190 kilos of honey and less than 200 kilos. If he divides it into 8-kilogram bottles, he rest 3 kilos. If he divides it into 7-kilogram bottles, he he rest kilos. How many kilos of honey does he have? - MDZ - theater
There are 798 men, women, and children in the theater. The number of men is twice the number of women. The number of women is twice the number of children. How many men, women, and children were there? - Deep pool - bottom
The pool is 25m long and 12m wide. In one half of the pool, the depth is the same, 1.8m, in the other half, the bottom gradually increases to a depth of 1.2m. What is the area of the entire bottom? - With fractions
Evaluate following expression with fractions and brackets: 2*(1/3+2/5)-3/5 - Calculate the density
Calculate the density of a body that has a mass of 6.5 kg and a volume of 0.01 m³. - At night
On the night from Thursday to Friday, the temperature on the thermometer dropped to −7°C. On Friday at noon, the temperature rose by 13°C, and in the evening, the temperature dropped by 11°C. On Friday evening, the thermometer showed the temperature: - In the middle 2
In the middle between the unknown number and the number 30 is the number 12. Determine the unknown number. - Dielectric change
An air capacitor with straight plates has a capacitance C0 = 10 pF and a plate distance d = 1 cm. We place a sheet of thickness ∆= 1 mm in the middle between the plates. What will be the capacitance of the entire device? (Marginal effects can be neglected - Conductor - induction
A conductor in the shape of two circular turns with radii of R=5 cm is placed in a magnetic field with induction B=0.6 T perpendicular to the direction of induction. What is the electromagnetic voltage induced in this conductor when the magnetic field dis - From the intersection
From the intersection to the school is 6/5 km, to the shop 9/10 km, to the bank 5/8 km, and to the park 21/8 km. Which place is closest to the intersection?
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