Rearrange variables - math word problems - page 132 of 147
Number of problems found: 2922
- 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 if there are 41 chocolates on the 8th shelf and each shelf has five more chocolates than the previous one? - Unknown number 7
Find the unknown number whose 12th power, when divided by its 9th power, gives a result 27 times greater than 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
From 40 data values, a mean of mx = 7.5 and a variance of sx = 2.25 were calculated. It is later found that two values were missing: x₄₁ = 3.8 and x₄₂ = 7. Correct the mean and variance. - Holidays - on pool
A children's ticket to the swimming pool costs x €, and an adult ticket costs €2 more. There were m children at the swimming pool and three times fewer adults. How many euros does the cashier collect in total 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
A car travelled the distance from A to B in four hours. If the average speed is increased by 17 km/h, the car covers the same distance one hour sooner. 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
Trapezoid ABCD a = 35 m, b=28 m c = 11 m and d = 14 m. How to calculate its area? - Surface area of cylinder
Determine the lateral surface of the rotary cylinder, which is a circumscribed cube with a 5 cm edge length. - Interst on savings
The bank offers 1.6% interest. How many euros do we have to insert at the beginning if we receive € 15 on the interest? - The deposit A deposit of € 2,612.5 was placed for one year at an annual rate of 4.5%. After one year, the amount rose to € 2,612.5. Find the initial deposit.
- Vintner
How high can a vintner fill the keg with crushed red grapes if these grapes occupy a volume of 20 percent? The keg is cylindrical with a diameter of the base of 1 m and a volume of 9.42 hl. Start from the premise that says that fermentation will fill the
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