Mathematics, 08.10.2021 14:00 itsyagirlgona21
Select the correct answer. Which of these sentences is always true for a parallelogram? OA. All sides are congruent. O B. All angles are congruent. O C. The diagonals are congruent. OD. Opposite angles are congruent.​
Answers: 2
Mathematics, 21.06.2019 20:00
Which expression is rational? 6. , square root two, square root 14, square root 49
Answers: 1
Mathematics, 22.06.2019 03:30
Atechnician compares repair costs for two types of microwave ovens (type i and type ii). he believes that the repair cost for type i ovens is greater than the repair cost for type ii ovens. a sample of 6767 type i ovens has a mean repair cost of $79.79$79.79. the population standard deviation for the repair of type i ovens is known to be $19.18$19.18. a sample of 5555 type ii ovens has a mean repair cost of $75.24$75.24. the population standard deviation for the repair of type ii ovens is known to be $21.40$21.40. conduct a hypothesis test of the technician's claim at the 0.050.05 level of significance. let μ1μ1 be the true mean repair cost for type i ovens and μ2μ2 be the true mean repair cost for type ii ovens. step 2 of 4 : compute the value of the test statistic. round your answer to two decimal places.
Answers: 2
Select the correct answer. Which of these sentences is always true for a parallelogram? OA. All side...
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