Grade - math word problems - page 897 of 912
Number of problems found: 18228
- Money
Everyone complains about the lack of money. There is no shortage of money but a relative scarcity of goods and things people buy for the money. Calculate what percentage of the price of all goods and services immediately rose if everyone has the day-to-da
- Calculation of CN
Calculate: (486 choose 159) - (486 choose 327)
- Square
Calculate the area of the square with diagonal 109 cm.
- Sphere
The sphere's surface is 28500 cm², and the weight is 34.2 kg. What is its density?
- Shots
500 lead shots with diameter 4 mm are decanted into a ball. What is its diameter?
- Height 2
Calculate the height of the equilateral triangle with side 49.
- Height
Is it true that the height is less or equal to half of the hypotenuse in any right triangle?
- Sequence
Calculate what member of the sequence specified by (5n-2+15) has value 20.
- Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than the second one. How many minutes is filled with the first pump?
- Octagon
We have a square with a side 56 cm. We cut corners to make his octagon. What will be the side of the octagon?
- Diofant 2
Is equation 1140x +876y = 48 solvable on the set of integers Z?
- Diofant equation
In the set of integers (Z), solve the equation: 212x +316y =0 Write result with integer parameter t in Z (parameter t = ...-2,-1,0,1,2,3... if equation has infinitely many solutions)
- Reciprocal
It is true (prove it) that if a > b > 0: (1)/(a)< (1)/(b)
- Subsets
How many are all subsets of set C = (97, 67, 66, 18, 59, 64)?
- Roots
Find the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: 5x ² +9x + q = 0
- Biquadratic
By introducing a new variable, solve the biquadratic equation: - x 4 +277 x² -15876=0
- Meridian
What is the distance (length) of the Earth's meridian 15° when the radius of the Earth is 6370 km?
- Euler problem
Someone buys 300 tolars towels. If it were for the same money of 5 more towels, it would be 5 tolars cheaper each. How many towels were there?
- Binomials
To binomial 36x²-168x, add a number to the resulting trinomial be square of the binomial.
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