Grade - math word problems
Number of problems found: 5701
A man and a woman have 6 daughters together (or - "with each-other" so that step-children are excluded). Each daughter has one brother. How many members are in the immediate family?
- Isosceles triangle
Calculate the perimeter of isosceles triangle with arm length 73 cm and base length of 48 cm.
- Date game
Let now is Wednesday. What day is after 248 days? Write the result as a number: 1=Monday, 2=Tuesday, 3=Wednesday, 4=Thursday, 5=Friday, 6=Saturday, 7=Sunday?
Determine angles of the right triangle with the hypotenuse c and legs a, b, if: ?
- Sphere slices
Calculate volume and surface of a sphere, if the radii of parallel cuts r1=31 cm, r2=92 cm and its distance v=25 cm.
Determine for what x fraction ?:
- Event probability
The probability of event P in 8 independent experiments is 0.33. What is the probability that the event P occurs in one experiment (probability is same)?
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
- Area of RT
Calculate the area of a right triangle that hypotenuse has length 14, and one hypotenuse segment has length 5.
- Black building
Keith built building with a rectangular shape 6.5 m × 3.9 m. Calculate how much percent exceeded the limit 25 m2 for small building. Building not built in accordance with the law is called "black building". Calculate the angle that the walls were clenchi
Potatoes contain 78.6% starch. How many potatoes need to obtain 27 kg of starch?
- Equilateral triangle
Calculate the side of an equilateral triangle, if its area is 892 mm2.
Compare fractions ?. Which fraction of the lower?
How long is trajectory of second hand of hours for day, if is 15 mm long?
- Energy saving
They were released three different, independent inventions saving 12%, 15% and 25% energy. Some considered that while the use of these inventions, the total savings will be 12% + 15% + 25% = 52%. Is this true? How much percent of energy will save all thre
When gas consumption, the consumer may choose one of two rates: rate A - which pays 0.4 € per 1 m3 of gas a flat monthly fee of 3.9 € (regardless of consumption) rate B - which pays 0.359 € per 1 m3 of gas a flat monthly fee of 12.5 € From what monthly
In what quadrant is a -1165° angle?
- Side c
In △ABC a=2, b=4 and ∠C=100°. Calculate length of the side c.
- Magnification of the square
If we increase the square side, increase the content of the 94 %. About what percentage was increased his sides?
Calculate reciprocal of z=0.8-1.8i: