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Ishmael
Questions (1)
Given: Quadrilateral ABCD has vertices at A(3,−4), B(6,−7), C(−5,−5), and D(−8,−2).
Prove: Quadrilateral ABCD is a
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Answers (2)
There are 40 students in a hostel in English and 22 of them are fluent in French .Each students is fluent in at least one of the two languages.
In a simple machine, the energy input is 120j. If the efficiency of the machine is 80 percent, calculate the energy output
