Maths practice for 14 year olds - page 197 of 362
Number of problems found: 7230
- The second
The second angle of a triangle is the same size as the first angle. The third angle is 12 degrees larger than the first angle. How large are the angles? - Drilling machine
A manufacturing firm purchased a heavy-duty drilling machine. They were given two payment options: Option 1: Make a payment of $46,000 immediately to settle the invoice for the machine. Option 2: Pay $21,500 immediately and the balance of $23,550 in 3 mon - Motorcyclist average speed
The motorcyclist was riding: a) the first half of the driving time at a speed of 30 km/h, the second half of the time at a speed of 60 km/h, b) the track's first half at a speed of 30 km/h and the second half at a speed of 60 km/h. Determine its average s - Dress discount cost
After a thirty percent discount, the dress cost CZK 1,680. How much did it cost before the discount? - Natural number pairs
Determine all natural numbers A and B pairs for which the sum of twice the least common multiple and three times the greatest common divisor of natural numbers A and B is equal to their product. - Road excavation volume
When building a new road, excavating a 280 m long road in the ground was necessary. The bottom width, where the road runs, was 20 m wide. At the top, the entire excavation was 30 m wide. The depth of the excavation is 6 m. How much m³ of soil had to be re - Summerjob
The temporary workers planted new trees. Of the total number of 500 seedlings, they managed to plant 426. How many percent did they meet the daily planting limit? - Drive to NJ
Ed drove to New Jersey at 30 mph. He drove back home in 3 hours at 50 mph. How many hours did it take Ed to drive to New Jersey? - The roof
The roof has a spherical canopy with a base diameter of 8 m and a height of 2 m. Calculate the foil area with which the roof is covered when calculating 13% for waste and residues. - Long bridge
Robert was walking on a bridge. When he heard a whistle, he turned and saw Kevin running at the start of the bridge. If Robert had walked toward Kevin, they would have met in the middle of the bridge. Instead, Robert hurried forward, not wanting to walk b - Integer ratio solutions
For which integers x is the ratio (x + 11) / (x + 7) an integer? Find all solutions. - Long rope
A 60-meter-long rope anchors the column at 3/4 of its height. The rope is anchored in the ground at a distance of 15 meters from the base of the column. Calculate the height of the column (in tenths). - Distance - ladder
The double ladder has a height of 3 m. How high will it reach when we spread it at a distance of 1 m? - Dice and coin
A number cube is rolled, and a coin is tossed. The number cube and the coin are fair. What is the probability that the number rolled is greater than two and the coin toss is head? - Price of cake
Honzík invited a few friends to his home and for refreshments he bought, among other things, 30 cakes of three different kinds. The price of one blueberry cake was 8 crowns, one poppy cake cost one crown more than one curd cake. Poppy cakes were a third, - Set of coordinates
Consider the following ordered pairs that represent a relation. {(–4, –7), (0, 6), (5, –3), (5, 2)} What can be concluded about the domain and range for this relation? A. The domain is the y values of the ordered pairs. B. The range is the set of output v - Two math problems
1) The sum of twice a number and -6 is nine more than the opposite of that number. Find the number. 2) A collection of 27 coins, all nickels, and dimes worth $2.10. How many of each coin are there? The dime, in United States usage, is a ten-cent coin. In - Pine's forest
There were so many pines in the forest that they were sequentially numbered 1, 2, 3,..., and would use three times more digits than the pine trees alone. How many pine trees were there in the forest? - Book distribution possibilities
There are 11 pupils in the group, among them just one Martin. How many possibilities are there for distributing 4 different books to these pupils if each is to receive at most one and Martin just one of these books". - Equation with mixed fractions
2 3/5 of 1430+? = 1900. How to do this problem?
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