Maths practice for 14 year olds - page 105 of 369
Number of problems found: 7362
- Calculate ΔRST
In a right triangle RST with a right angle at the vertex T, we know the lengths of two sides: s = 7.8 cm and t = 13 cm; calculate the third side r. - The speed
A moving object's speed (v) is inversely proportional to the time (t) traveled and is written as? - Corresponding 60311
The drink was mixed from one hundred percent juice and water in a ratio of 1.5 liters of juice to 2.5 liters of water. Calculate how many liters of this drink will be created by mixing 1 liter of water and juice in the corresponding ratio. Calculate how m - Harvesters
Five combine harvesters harvest wheat in 12 days. How much will the harvest time be shortened when six combine harvesters enter the field? - One-third 60291
In the classroom, 50% of students come from other districts. One-third of them commute by bus, a fifth by bike, and seven pupils walk. How many students are in the class? - Pupils
Three hundred fifty pupils attend the school, of which 210 are girls. What percentage of boys attend school? - Three-month 60231
How much € do we have to save on a three-month term deposit with an interest rate of 2.5% pa? If we want the deposit to earn an interest of € 1,100 - Deposit in the bank
After the summer job, you saved € 800 in the bank. The interest rate is 4% p. a. Interest on the deposit is taxed at 15% withholding tax. How much can you withdraw after three months? - Bronze
Bronze is 80% copper and 20% tin. If we have 39 kg of tin, how much copper will we need to produce bronze? - The sum
The sum of the two numbers is 69, and the difference is 11. Which numbers are they? - Percentage 60143
Igor paid only 12 euros for sneakers instead of 15 euros. What percentage did he pay less? What percentage of the original amount of sneakers became cheaper? - Jointly and cube power
If y varies jointly as x and the cube of z and y=16 when x=4 and z=2, find an equation representing this relationship. a. y=xz b. y = 2xz³ c.y = 2kx/z³ d.y = xz³/2 - Three men
If three men can do a job in 8 days, how many men can do the same job in 6 days? - Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)? - Cheaper 60033
Iced tea in a bottle costs 1.20 euros. A bottle is seven times cheaper than tea. How many euros does a bottle cost, and how much tea? - Slant height 2
A regular triangular pyramid with a slant height of 9 m has a volume of 50 m³. Find the lateral area of the pyramid. - How long
How long is the diagonal of the square with side a = 50mm? - Containing 59983
The gardener has to prepare a grass mix containing clover grass and a meadow mixture at a price of CZK 24 per kilogram. A kilogram of mono-grass mixture costs CZK 22, and a kilogram of meadow mixture costs CZK 30. It will determine how many kilograms of m - Determines 59973 1 kg of white tea costs CZK 1,800. 1 kg of green tea costs CZK 1,200. It determines how many grams of white and green tea will be contained in a package of Buddha's mixture if it weighs 50g and costs CZK 65.
- A cone
A cone measures 6 inches in diameter at the base. The distance from the edge of the circumference to the top is 12 inches. Find its volume.
Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.
