Grade - math word problems - page 642 of 968
Number of problems found: 19341
- Ticket Sales Three Days
The museum sold seven thousand tickets in 3 days. We know that the second day sold 20% more tickets than the first day, and Day 3 sold 10% less than Day 2. How many tickets were sold on each day? - Different Report Cards
There are 19 children in class 6 A, 7 subjects, and no one has a grade worse than a C. Can each of them have a different certificate? How many would have to be in the class so that everyone could not have a different report card? - Digit sum
How many are three-digit numbers that have a digit sum of 6? - Infinite Series Equation Solve the given equation in the set N: 1 - x + x² - x³ + x4 - x5 +…. + = 1/3
- Hemispherical hollow
The vessel's hemispherical hollow is filled with water to a height of 10 cm =. How many liters of water are inside if the hollow's inside diameter is d = 28cm? - Trees
In the orchard, 38 apple trees and 20 pear trees grew. How many trees grow there in total? - Square into three rectangles
Divide the square with a side length of 12 cm into three rectangles with the same circumference so that these circumferences are as small as possible. - Axes of Symmetry
Draw a circle k (S, r = 2 cm). Mark the three axes of symmetry of the circle defined by this circle. Each axis of symmetry of the circle passes through __________. - Right triangle
Calculate the length of the remaining two sides and the angles in the rectangular triangle ABC if a = 10 cm, angle alpha = 18°40'. - Doll Shop Inventory
They have two red dolls in the shop. Blue dolls have four times more reds, and yellow ones have four more reds. How many blue and yellow dolls do they have in store? - Two rectangles
I cut out two rectangles with 54 cm² and 90 cm². Their sides are expressed in whole centimeters. If I put these rectangles together, I get a rectangle with an area of 144 cm². What dimensions can this large rectangle have? Write all options. Explain your - Tea Blend Mixture
A merchant sells a blend of two types of tea at 450 CZK per kilogram. One type costs 900 CZK/kg, and the cheaper type costs 369 CZK/kg. How much of each type is needed for 5 kg of the blend? - Two Numbers Sum Third
Calculate the larger of the two numbers if the smaller number is the third of the larger number, and their sum is 48. - Prove
Prove that k1 and k2 are the equations of two circles. Find the equation of the line that passes through the centers of these circles. k1: x²+y²+2x+4y+1=0 k2: x²+y²-8x+6y+9=0 - CuSO4 mixture
How many grams of solid CuSO₄ must be added to 450 g of a 15% CuSO₄ solution to produce a 25% solution? - Probability 9
The wife did not come home from work on time. The husband knows from experience that with a probability of 0.3 she talked with a colleague, or with a probability of 0.6 she went shopping, or with a probability of 0.1 she was delayed for other reasons. The - Sum of inner angles
Prove that the sum of all inner angles of any convex n-angle equals (n-2).180 degrees. - Farm animals
Cows and sheep are kept on the farm. There are 37 cows, which is 25 more than the sheep. There are seven times fewer horses than cows and sheep combined. How many animals do they keep on the farm together? - The big clock
The hands of a clock stop at a random moment. What is the probability that: a) the hour hand shows a time between 1:00 and 3:00? b) the minute hand is in the same region as the hour hand as described in part a)? c) the clock shows a time between 21:00 and - Sandbox
Sandbox has an area of 32 sq ft and a length of 4 1/2 ft. What is the width of a sandbox?
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