Grade - math word problems - page 882 of 914
Number of problems found: 18271
- ABS
What is the value of ||-81|-|-90||?
- Triangle
For how many integer values of x can 5, 6, and x be the lengths of the sides of a triangle?
- Exp
If sqrt[7](20²-12²) = sqrt[n](256), then n is:
- Reciprocal
What is the reciprocal of the sum of the reciprocals of 7 and 6?
- Parallelogram
Calculate area of the parallelogram ABCD as shown if |AB| = 13 cm, |BC| = 99 cm and angle BAD = 100°
- Gain
Find the gain whenever the output power is 21x the input power.
- Decibel
A circuit has an input power of 73 mW. Its output power is 18 mW. What is the loss in decibels?
- Segments
Which of the pairs of numbers on the number line encloses the longest segment: ...
- Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ...
- Opposite numbers
Calculate opposite numbers (additive inverse) to given ones:
- Observer
The observer sees a straight fence 100 m long in 30° view angle. From one end of the fence is 119 m. How far is it from the other end of the fence?
- VAT
John paid 10 Euros in-store for the purchase. Calculate value-added tax (VAT), which is paid in the purchase, if the VAT rate is 20%.
- Mean
If the mean of the set of data 5, 17, 19, 14, 15, 17, 7, 11, 16, 19, 5, 5, 10, 8, 13, 14, 4, 2, 17, 11, x is -91.74, what is the value of x?
- Side c
In △ABC a=1, b=6 and ∠C=110°. Calculate the length of the side c.
- Cone
If the segment of the line y = -3x +4 that lies in the first quadrant is rotated about the y-axis, a cone is formed. What is the volume of the cone?
- Prism
A right prism's length, width, and height are 17, 11, and 11, respectively. What is the length of the longest segment whose endpoints are vertices of the prism?
- Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate the percentage of the company's profits that increased in these two years.
- Drinking water
A man drinks a keg of water in 36 days, and a woman drinks in 65 days. How many days do they consume a keg together?
- Forestry workers
41 laborers have employed planted trees in the forest. For 7 hour work, a day would end job in 32 days. After 12 days, 7 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 8 hours a day?
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