Isolating a variable in the formula - math word problems - page 98 of 144
Number of problems found: 2877
- Square root 2
If the square root of 3m² +22 and -x = 0, and x=7, what is m? - A truck
A truck departs from a distribution center. From there, it goes 20km west, 30km north and 10km west and reaches a shop. How can the truck reach back to the distribution center from the shop (what is the shortest path)? - Sale discount
The product was discounted so that eight products at a new price cost just as five products at an old price. How many percent is the new price lower than the old price? - Expressions 3
If k(x+6)= 4x² + 20, what is k(10)=? - Equation of the circle
Find the equation of the circle with the center at (1,20), which touches the line 8x+5y-19=0 - Population growth
How many people will be on Earth from two people for 5,000 years if every couple always has four children (2 boys and two girls) at the age of 25-35, and every man will live 75 years? - Right triangle from axes
A line segment has its ends on the coordinate axes and forms a triangle of area equal to 36 square units. The segment passes through the point ( 5,2). What is the slope of the line segment?
- A clock
Mother set a clock right at 6:00 AM. If it gains 3 1/2 minutes per hour, what time will it show at 6:00 PM on the same day? Show your solution. - Isosceles
Isosceles trapezium ABCD ABC = 12 angle ABC = 40 ° b=6. Calculate the circumference and area. - Circular 6760
What circular track radius must a runner run six times to run 1.8km? - Against 6754
A ladder leans against the wall. It touches the wall at the height of 240cm. Its lower end is 100 cm distant from the wall. How long is the ladder? - Cube walls
Find the cube's volume and surface area if the area of one of its walls is 40 cm². - Concentric 6751
A circle K with radius r = 8 cm is given. How big a radius must a smaller concentric circle divides a circle K into two parts with the same area? - Trochanters 6743
The 9th graders combed hops. They worked a few hours on the first day and combed a total of x trochanters of hops. On the second day, they combed for b hours and combed y trochanters. How long did it take them to comb one trochanter on average? Express wi - Cube into sphere
The cube has brushed a sphere as large as possible. Determine how much percent the waste was.
- Digits
If x, y and z are three consecutive nonzero digits, zyx-xyz = 198, where zyx and xyz are three-digit numbers created from x, y, and z. - Algebra
If x+y=5, find xy (find the product of x and y if x+y = 5) - Calculate Calculate the surface of the cube if its volume is 64 cm³.
- Regular prism
The regular four-sided prism has a base of 25 cm² and a surface of 210 cm². Find its volume. - Calculate: 6679
In the right triangle ABC, we know the right angle γ, the area S = 48 cm2, and the side a = 8 cm. Calculate: pages b, c
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