Power - math word problems - page 21 of 31
Number of problems found: 610
- Socík
On the construction site of a new housing estate in Kladno-Kročehlavy, students from the state labour reserve carried out machine plastering of the masonry. 5 students using machines plastered 10 square metres more masonry than 6 plasterers working by han - Bulb Current Resistance Calculation
The bulb is connected to a 4.5 V power supply. An electric current of 45 mA flows through the filament of the bulb. The calculated size of the electrical field of the filament lamp - Volume and body diagonal
Calculate how much the cuboid's volume and body diagonal decrease if we reduce each of its three edges, a, b, and c, by 18%. - Highway tunnel
The company built the highway tunnel from two ends in the north-south direction. The average daily performance of the "northern party" rasters was higher than the average daily power of the "southern party" rasters. After 55 business days, both parties me - Density 2
The driftwood has a mass of 25 grams and a volume of 30 cm to 3rd power. What is the density of a piece of driftwood? And how do I figure it out? - Isosceles trapezoid 3
In isosceles trapezoid ABCD, calculate the unknown side length "a" and its area. Sides b = d = 50 cm, c = 20 cm, and the height = 48 cm. - Cube changes
How much percent will the surface and volume of the cube decrease if the diagonal decreases by 10%? b) if the diagonal increases by 10%? - Cube edge
The cube has a surface area of 110.6 cm². Calculate the length of its edge. - Cyclist speed
Two cyclists set out simultaneously toward each other from opposite ends of a 28 km route. Each rode at a constant speed, with the faster cyclist reaching the finish line 35 minutes earlier. The cyclists passed each other after 1 hour of riding. At what s - Paper harvest
Four boys passed the paper to harvest. John received 111 1/3 ducats, Michael 228 3/4, Peter 195 1/2 ducats, and Robert 146 1/4 ducats. How many kg of paper did each boy bring if they bought paper at 2.50 ducats per kg? - Cube measurements
The cube has a wall area of 81 cm². Calculate the length of its edge, wall, and solid diagonals. - Daughter and father
"My daughter will be x years old in x²," said Elise's father in 1991 at her birthday party. a) When will the said event occur, and how old will Elise be at that time? b) In what year was Elise born? c) How old was Elise in 1991? - Matrix Square Determinant
The determinant of matrix J has the value 0. What will be the value of the determinant of matrix C, which we get as the square of matrix J? - Matrix Rows Columns Count Rectangular matrix M contains 21 elements and has three columns. How many more rows does matrix M have than square matrix F, which contains four elements?
- Running track
To the Akčesú races there came 25 runners. The running track was however narrow, and therefore always only five runners could run at once. What surprised Sára and Arthur the most however was the fact that the Te-TiVá people do not have stopwatches, nor ot - Unknown variable
Find the number x, which, if it increases by 2, then its square increases by 21 percent. - Circumscribed by triangle
Inside the rectangle ABCD, the points E and F lie so that the line segments EA, ED, EF, FB, and FC are congruent. Side AB is 22 cm long, and the circle circumscribed by triangle AFD has a radius of 10 cm. Determine the length of side BC. - Surface area of the top
A cylinder is three times as high as it is wide. The length of the cylinder diagonal is 20 cm. Find the exact surface area of the top of the cylinder. - Rate or interest
At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest? - Four-digit number
Find the smallest four-digit number abcd such that the difference (ab)²− (cd)² is a three-digit number written in three identical digits.
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