Expression of a variable from the formula - math word problems - page 125 of 139
Number of problems found: 2769
- Cleaners
Milan would clean up the room for 2.5 hours, and Eric would take 10 hours. How long do they sweep the room together? - Determine AP
Determine the difference of the arithmetic progression if a3 = 7, and a4 + a5 = 71 - Unknown number 4
I think number. When I divided its square root by its 1/9, I got a number 1. What number am I thinking? - Equation: 3726
Determine the real root of the equation: x-3: x-8 = 32
- Four swords
Obelix has three helmets, four swords, and five shields. How many words must you make at the blacksmith forge Metallurgix to be able to walk another 90 days in unique armor? - Fifth member
Determine the fifth member of the arithmetic progression if the sum of the second and fifth members equals 73 and the difference d = 7. - Chocholate pyramid
How many chocolates are on the third shelf when on the 8th shelf are 41 chocolates on any other shelf? Are seven chocolates more than the previous shelf? - Unknown number 7
Calculate an unknown number whose 12th power, when divided by the 9th power, gets a number 27 times greater than the unknown number. Determine the unknown number. - Circle - AG
Find the coordinates of the circle and its diameter if its equation is: x² + y² - 6x-4y=36
- Equation of circle
Find an equation of the circle with indicated properties: a. center at (-3,5), diameter 20. b. center at origin and diameter 16. - Chairs
Determine the number of seats in the seventh and ninth rows if the 3rd row has 14 seats and every next row has five more than the previous row. - Right triangle
It is given a right triangle angle alpha of 90 degrees the beta angle of 55 degrees c = 10 cm use the Pythagorean theorem to calculate sides a and b - Variance and average
Of the 40 values were calculated average mx = 7.5 and variance sx = 2.25. After we found the control to lack the two items of the values of x41 = 3.8 and x42=7. Correct the above characteristics (mx and sx). - Holidays - on pool
Children's tickets to the swimming pool stand x € for an adult is € 2 more expensive. There were m children in the swimming pool and adults three times less. How many euros make treasurer for pool entry?
- Water in aquarium
The aquarium cuboid shape with a length of 25 cm and a width of 30 cm is 9 liters of water. Calculate the areas which are wetted with water. - Bookshelve
Bookshelves with an original price of € 200 have twice become cheaper. After the second 15% discount, the price was € 149.60. Determine how much % becomes cheaper for the first time. - The car
The car traveled the distance between A and B for four hours. If we increase the average by 17 km/h, the car travels this distance an hour earlier. Determine the initial speed of the car and the distance between A and B. - Jam
A jar with jam weighs 800 grams. Jam weighs three times as much as the empty glass. What is the weight of the jam that is in the glass? - Solve equation
Solve equation: [(a²)+3]1/2 + [(a²)-3]1/2 = 5
Trapezoid ABCD a = 35 m, b=28 m c = 11 m and d = 14 m. How to calculate its area?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
