Rearrange variables - math word problems - page 93 of 147
Number of problems found: 2922
- Substitution method
Solve a goniometric equation: sin4 θ - 1/cos² θ=cos² θ - 2 - School club
The sports club at school is attended by boys and three fewer girls than boys. How many girls attend the circle? - Cube
The sum of all cube edges is 30 cm. Find the surface area of the cube. - Diagonals of a rhombus 2
One diagonal of a rhombus is greater than the other by 4 cm. If the area of the rhombus is 96 cm2, find the side of the rhombus. - Pilot
How high can the airplane's pilot see 0.001 of Earth's surface? - Isosceles trapezoid
A father decided to replace the tabletop, which is shaped like an isosceles trapezoid, with parallel sides of 120 cm and 60 cm, and a shoulder that is 50 centimeters long. How much does it pay for a new plate and a square meter worth 17 euros? - Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle. - Hectoliters
How deep is the pool if there are 2025 hectoliters of water, the bottom dimensions are a = 15 meters b = 7.5 meters, and the water level is up to 9/10 (nine-tenths) of the height? - Three pumps
We are filling the pool. The pool would fill the first pump in 12 hours and the second in 15 hours. If all three pumps ran simultaneously, they would fill the pool for 4 hours. How long would the pool fill only with the third pump? - Diagonals of the rhombus
How long are the diagonals e, and f in the diamond if its side is 5 cm long and its area is 20 cm²? - Isosceles trapezium
Calculate the area of an isosceles trapezium ABCD if a = 10 cm, b = 5 cm, c = 4 cm. - School acceptance calculation
P girls and four times as many boys applied to a certain school. After the entrance exams, a quarter of the girls and half of the boys got into secondary school. How many students were accepted into the 1st year of this high school? - Lottery Winnings
The parents won 12,000 euros. They decided to spend 34% of their winnings on Christmas presents and put the rest in the bank. How many euros did they deposit in the bank? What was the annual interest rate at the bank if they were credited with 118.8 euros - Two Numbers Product Constant
The product of two numbers differing by four does not change when we decrease the larger number by two and increase the smaller number by one. What are the numbers? - Cylinder height
Calculate the height of a cylinder whose total surface area is 2,500 dm² and whose bases have a diameter of 5 dm. - Plot width calculation
Two brothers wanted to have the same area of land. One chose a square plot with a side length of 60 m. The second brother chose a rectangular plot of land with a side length of 80 m. What is the width of the second brother's plot? - Boats
Three-quarters of boats are white, 1/7 are blue, and nine are red. How many boats do we have? - Hexagon in circle
Calculate the radius of a circle whose length is 10 cm greater than the circumference of a regular hexagon inscribed in this circle. - School supply cost
A notebook costs euros, a pencil c euros, and a ruler costs as much as a notebook and a pencil together. How much do you pay for three notebooks, seven pencils, and two rulers? - Symmetry by plane
Determine the coordinates of an image of point A (3, -4, -6) at a symmetry that is determined by the plane x-y-4z-13 = 0
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