Rearrange variables - math word problems - page 38 of 147

Number of problems found: 2922

Salaries
The employer increased the salaries of its three employees by an average of 30 euros. One increased his salary by € 20, the other by € 45. How many euros did he raise the salary of a third employee?
Two companies
Two companies completed a job together in 100 days. The first company alone could complete the job in 150 days. How long would the second company take to complete the job alone?
Geometric sequence terms
Determine the first term and quotient in the geometric sequence: a4 = -8 / 3; a6 = -32 / 3
Sphere volume formula
If V=4/3 π r³, find the value of V when r = 7, the value of r when V=113 1/7
Radio radius
Two friends have shortwave radios with a range of 13 km. The first of them travels by train at a speed of 48 km per hour along a straight section of track, from which the second of the friends is 5 km away. How long will radio friends be allowed for both
Sequence difference sum
Determine the difference of the arithmetic sequence (an), if given: a1 = 5, an = 23, Sn = 392
Arithmetic sequence terms
In the arithmetic sequence (an), determine a1, d if: a6 = -3, a15 = -8
Aquarium shelf area
The block-shaped aquarium is 40 cm high and has a volume of 80 l. What area in m² will it occupy on the shelf on which it is built?
Cosine
Cosine and sine theorem: Calculate all unknown values (side lengths or angles) from triangle ABC. c = 2.9 cm; β = 28°; γ = 14° α =? °; a =? cm; b =? cm
Cosine
Cosine and sine theorem: Calculate all unknown values (sides and angles) of the triangle ABC. a = 20 cm; b = 15 cm; γ = 90°; c =? cm; α =? °; β =? °
Boat canal meeting
From Strážnice, a motor boat left the Baťa canal at a speed of 12 km/h towards the anchorage near Otrokovice. Two hours later, a second boat followed her at a speed of 20 km/h. Both ships arrived in Otrokovice at the same time. How many kilometers is it f
AP members
Insert as many arithmetic sequence members between numbers 1 and 53 that the sum is 702.
The chimney
How high is the chimney if we see it from a distance of 60 m at an angle of 42°?
Base and longest side
The base of a right-angled triangle is 10 centimeters, and the longest side is 26 centimeters. What is the area of the triangle?
Parallelogram height side
The area of the parallelogram is 10.24 m², and its side is 25.6 m. Find the height to this side.
Evaluate statement
Which is a correct statement about the description "two less than the quotient of a number cubed and sixteen, increased by eight" when n = 4? Choices: The value when n = 4 is 6. The value when n = 4 is 7. The value when n = 4 is 9. The value when n = 4 is
The speed
A moving object's speed (v) is inversely proportional to the time (t) traveled and is written as?
Three
Three points are given: A (-3, 1), B (2, -4), C (3, 3) a) Find the perimeter of triangle ABC. b) Decide what type of triangle the triangle ABC is. c) Find the length of the inscribed circle
The height of prism
The base of a vertical prism is a right triangle with legs 30 cm and 40 cm long. The prism has the same volume as a cube with an edge length of 3 dm. Find the height of the prism in centimetres.
Bronze
Bronze is 80% copper and 20% tin. If we have 39 kg of tin, how much copper will we need to produce bronze?

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