Examples for secondary school students - page 50 of 237
Number of problems found: 4730
- Susan 2
Susan packed some sugar into small and large packets. The total mass of 4 large packets and 3 small packets is 43 kg. Each large packet is 2 kg heavier than each small packet. What is the mass of one large packet? - They divided
Jana, Martina, and Susan divided candies in the ratio 3:7:5. Martina received 9 fewer candies than Jana and Susan combined. Which statement is true? A. Martina received fewer candies than Susan. B. They all received 135 candies together. C. Martina receiv - Ball arrangement ways
We have two identical blue balls and two identical red balls. We arrange them in a row in all ways. How many different arrangements are there? - Ball selection options
We have six balls of different colors. We select two balls at once. How many options? - Shirt suit price
The shirt price was reduced by 10% of the original price k. On the other hand, the price of the suit was increased by 5% of the original price p due to the shortening of the legs. Depending on the variables k, and p, express the total cost of the two shir - Number divisibility probability
What is the probability that any two-digit number a) is divisible by five b) is it not divisible by five? - Ball selection probability There are five whites and nine blacks in the destiny. We will choose three balls at random. What is the probability that a) the selected balls will not be the same color, b) will there be at least two blacks between them?
- Simplify logarithm expr
Given that logxU + logxV =p and logxU - logxV =q Prove that U=x^½(p+q) - Coins in a money box
Karol has in his money box in total 19 coins, and only ten-crown and fifty-crown coins. In total he has in the money box 830 Kč saved. Which statement is false? (Provide a solution procedure for the individual statements.) a) In the money box 170 Kč (Czec - A circle 2
A circle is centered at the point (-7, -1) and passes through the point (8, 7). The radius of the circle is r units. The point (-15, y) lies in this circle. What are r and y (or y1, y2)? - Gathering of solvers
The best solvers of the mathematical olympiad and their leaders came to a gathering. They all stayed in a pension with two-bed and three-bed rooms, such that all beds in these rooms were fully occupied. The two-bed rooms were exactly a third of all rooms - Potato warehouses
The company Vysočina has two potato warehouses. In the first warehouse there are three times more potatoes than in the second. From the first warehouse, half of the stored amount of potatoes was taken away, and there remained 90 tonnes of potatoes more th - Egg color combinations
Anna painted eggs for art. She had five colors for her eggs. He wants to put three of them on each. How many different colored eggs could she paint? (It's just the colors, not the shapes on them. ) - Triples
The triplets Jana, Jan, and Judy have saved a total of 180 CZK. Jana has saved three times as much as each of her two siblings. Judy and Jan have saved the same amount. a) Determine the ratio of the amounts saved by all three siblings in the order Jan, Ju - Principal interest months
How many months will it take for a principal of 5,000 euros to earn 350 euros in interest at 5% p.a.? - Alloy Cu+Pb
An alloy of copper and lead is a mixture of these metals in a ratio of 5:2 (respectively). Calculate in kg how much a piece of this alloy weighs if it contains just 150 kg less lead than copper. - Three-digit number creation The number 0,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the num
- Three-digit number creation The numbers 1,3,7,4 are given. How many three-digit numbers are there: a) if the numbers can be repeated b) if the numbers cannot be repeated c) how many even three-digit numbers if the numbers can be repeated d) how many odd three-digit numbers if the nu
- River bank distance
Adam (A) stands on one river bank, and Bedrich (B) stands on the other. To determine their distance, the base AC with a length of 136 m and the angles CAB with a size of 70°21' and ACB with a size of 43°44' were measured on one river bank. What is the dis - Compounded monthly Find the compound amount if Php 150,000.00 is deposited in a bank paying 9% p.a. compounded monthly for three years.
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
