Examples for secondary school students - page 49 of 237

Number of problems found: 4730

Granddaughters seedling planting
Grandma bought 200 ingredients. Granddaughter Helen planted 20% more than granddaughter Dana. Granddaughter Eve planted 40 more seedlings than Dana. Granddaughter Susan planted 0.8 times more than Dana. How many seedlings did each of the granddaughters pl
An exam - normal distribution
Five thousand students take an exam with a mean of 59 and a deviation of 8. How many students will score less than 75?
Milan dessert options
The pastry shop has 10 types of desserts, 8 types of ice cream, and 3 types of hot chocolate. How many options does Milo have to choose from if: A) one sweet B) some dessert and 1 scoop of ice cream? C) Some dessert, 1 scoop of ice cream, and 1 hot chocol
Odra river length
The length of the Odra in Moravia is 42% of its length in Poland. The total flow length from the source to the sea is 1165 km. What is the distance in Moravia, and what is the distance in km on the Polish side?
Starting
The aircraft has a take-off speed of 310 km/h, a take-off weight of 16.5 t, and uses a 2 km take-off runway. Its cruising speed is 880 km/h and cruising altitude is 10 km. a) Determine the aircraft's acceleration during take-off and the take-off time. b)
Tournament game count
Five children took part in the five-a-side tournament: Annie, Betty, Celeste, Dan, and Eric. Everyone played with everyone. How many games have been played?
Mobile phone settings
Lucia's mobile phone offers a choice of 10 ringtones, seven tones when receiving an SMS, and 15 wallpapers in the background of the display. How many ways can Lucia set up her mobile?
VAT example
The following data were provided by Halo Mango Delight, a VAT taxpayer, for October, November, and December 2021 (VAT excluded): Compute the Value added tax of the store for the 4th Quarter of 2021. (Show computation in solving the problem). VAT ratio = 1
Airplane wing pressure
An airplane flies at a speed of 920 km/h at an altitude of 11 km above the surface of the Earth, where the air density is p = 0.36 kg/m³. Determine the pressure difference above and below the plane's wing if the top of the plane is 10% longer than the bot
Power during takeoff
The aircraft weighing 3.5 tons will disembark 1 km in 1 minute after takeoff and reach a speed of 290 km/h. Find the average power of its engines during this time.
Team creation options
The teacher wants to create one three-member team from four girls and four boys, with one girl and two boys on the team. How many different ways can the teacher form the team?
Ten points
There are ten arbitrary points in the plane. How many circles can we make from them?
Pump power
Determine the pump power if: I pour 3 m³ of water from the tank in 120 seconds with a hose. The height of the hose mouth above the tank is 1.5 m. The water's speed from the hose outlet is 20 m/s.
Triangle line ratio
The line p passes through the center of gravity T of the triangle and is parallel to the line BC. What is the ratio of the area of the divided smaller part of the triangle by the line p? What is the area of the triangle?
Aircraft engine work
The aircraft weighs 61 tons. It climbed from a height of 1000 m to a height of 3000 m while increasing the speed from 170 m/s to 210 m/s. What work did the aircraft engines do?
Power value
Describe how the instantaneous power value in the AC circuit changes during one period.
Non-equivalence
Write the function logical disagreement – entire sum (non-equivalence) F = A ⊕ B (EXL –OR) in a different notation and draw a Karnaugh map. Use NAND elements to implement the above function if you only have variables A and B
Probability
A restaurant always counts the cash register at the end of the day so that the employees can divide their tips. It has been found that the daily tips follow a normal distribution with a mean of €130 and a standard deviation of €60. What is the probability
Other
On other days, I often see two colours before my eyes — blue and yellow. I feel sad about what is happening. That is why I have a task for you today about colours. I have 5 markers in my pencil case: blue, yellow, green, red, and purple. In how many ways
Social beneficiaries
In a certain community, 52% are SAP beneficiaries, 15% are members of 4Ps, and 8% are both SAP and 4 Ps. If a citizen from the community is an SAP, what is the probability that he is also 4Ps? If that person is not a 4Ps, what is the probability that he i

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.