According to a survey of 1000 families of any town in 2010AD,794 families have radio and 187 families have television .If 63 families do not have any one of them, then how many families will have both radio and television ? find it Answer44
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Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters