Grade - math word problems - page 867 of 879
Number of problems found: 17573
- Rotating cone
Calculate the volume of a rotating cone with base radius r=$r cm and height h=$v cm. - Gold wire
From one gram of gold was pulled wire 1.4 km length. What is its diameter if the density of Au is ρ=19.5 g/cm³? - Is right?
Is a triangle with sides 51, 56, and 77 right triangle? - Education for free
Slovakia circulates a lot of myths, particularly ideas about what must be free. For example - education should be free - children of poor parents should know at least to read and write. Calculate how much a student would have to pay per hour of teaching w
- Proof I
When added to the product of two consecutive integers larger one, we get the square larger one. Is this true or not? - Energy saving
They released three different independent inventions saving 15%, 17%, and 16% energy. Some considered that while the use of these inventions, the total savings will be 15% + 17% + 16% = 48%. Is this true? How much will the percent of energy save all three - Date game
Let now is Tuesday. What day is after 229 days? Write the result as a number: 1=Monday, 2=Tuesday, 3=Wednesday, 4=Thursday, 5=Friday, 6=Saturday, 7=Sunday. - Average
The average of 5 numbers is 108. What is its sum? - Word
What is the probability that a random word composed of chars S, G, R, S, E, I, N, A, L, P, C, T, M, H, E, E will be the SPHERICALSEGMENT?
- Bulbs
In the box are 6 bulbs with power 75 W, 14 bulbs with power 40 W, and 15 with 60 W. Calculate the probability that a randomly selected bulb is: - Exponential equation
In the set R, solve the equation: 7 -5 +19x=4 3 -20x - Kitchen
The kitchen roller has a diameter of 70 mm and a width of 359 mm. How many square millimeters roll on one turn? - The angle of lines
Calculate the angle of two lines y=2x+29 and y=-3x+1 - Gear wheels
Two gear wheels, which fit together, have the number of teeth z1=117 and z2=70. Calculate the speed of the first wheel if the second wheel rotates 582 revolutions per minute.
- Median
In the right triangle are sides a=96 dm b=31 dm. Calculate the length of the medians tc to the hypotenuse. - Rectangles
How many rectangles with area 3152 cm² whose sides are natural numbers? - Isosceles triangle
Calculate the perimeter of the isosceles triangle with arm length 87 cm and base length of 95 cm. - Minute angle
Find the size of the angle, which takes a minute hand for 20 minutes. - Guess number
With what number should be divided, number 9727 to be reduced by 70%?
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