I need help this the last question I need help
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Answers: 3
Mathematics, 21.06.2019 14:00
In trapezoid efgh, mโ hef=(4x2+16)โ and mโ gfe=(5x2+12)โ. find the value of x so that efgh is isosceles. i'm desperate.
Answers: 3
Mathematics, 21.06.2019 18:40
Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.
Answers: 3
Mathematics, 21.06.2019 22:00
The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen โ- z-score
Answers: 1
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