The answer to the question above is x=-4.5
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The probability of at least three heads can be found by<span><span>∑<span>k=3</span>4</span><span>(<span>4k</span>)</span><span>.5k</span><span>.5<span>4−k</span></span>=<span>516</span></span></span>
Well it would be 63$ if we are not including tax because 80-17=63
Answer:
Circumference of wheel=πd
Circumference of wheel =22*2.1/7
Circumference of wheel =6.6 Mrs
It coveres 6.6mtrs in one round
Then in 100 rounds it will take 6.6*100=660mtrs
I think that it
