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Suppose you roll a regular 6 sided die 90 times About how many times would you expect to roll a 3?
90
What shape has three right angles?
I will rephrase your question as "What shape has only three right angles?" A shape is a 2D drawing that encloses some space. The sum of the angles must exceed 270 degrees. A rectangle is out of the question as it has four right angles. But a 5 sided shape with unequal sides (irregular pentagon) or higher number of sides is fine. I wish Wikipedia would let draw on these answers, because I could draw hundreds of shapes with three right angles. When we talk of shapes, the most regular shapes come to mind, triangles, squares, pentagons, etc. But you did not spcify that my shape had to have straight sides. Imagine, for example, a circle which I will break at three places and insert right angles. Weird, but it does have three right angles. Do the right angles have to face in towards the center? I could even draw a more bizarre shape with with three right angles facing out, connected by curved lines.
What shape has 3 sides and 1 right angle?
right angled triangle
What is the mean median and mode of 60 70 75 78 80 80 83 85 87 90 90 90 90 93 95 95 98 100?
The mean is 85.5 The median is 88.5 The mode is 90
What is the percentage increase from 90 to 125?
% increase = 38.89% % increase =|original value - new value|/original value * 100% = |90 - 125|/90 * 100% = 35/90 * 100% = 3.8889 * 10% = 38.89%
