Mathematics, 06.12.2021 06:20 Shu11
With a headwind a plane traveled 128 km in 2h. The return trip with a tail wind took 24 min less. Find the air speed of the plane. A. 64 km/h B. 72km/h C. 80km/h D. 88km/h E. 96km/h
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For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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Mathematics, 21.06.2019 19:30
Which of the following transformations will always produce a congruent figure?
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Evaluate 8j -k+148jāk+14 when j=0.25j=0.25 and k=1k=1.
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Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?
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With a headwind a plane traveled 128 km in 2h. The return trip with a tail wind took 24 min less. Fi...
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