Mathematics, 28.09.2019 22:00 luis759
Amiddle school contains sixth, seventh, and eighth graders. each grade level contains approximately the same number of students. the principal wants to find the answer to a survey question affecting each student in the school. he asks a sample group “what time do you get up in the morning? ” which of these characteristics define the best sample?
one student chosen at random from each grade level
an equal number of students chosen at random from each grade level
the first 10 students from each grade level to arrive at school in the morning
all students arriving on one bus
Answers: 2
Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
Mathematics, 21.06.2019 20:00
The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.
Answers: 1
Mathematics, 22.06.2019 02:00
Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt
Answers: 1
Mathematics, 22.06.2019 02:30
Given: ab ≅ cd and ad ≅ bc prove: abcd is a parallelogram. statements reasons 1. ab ≅ cd; ad ≅ bc 1. given 2. ac ≅ ac 2. reflexive property 3. △adc ≅ △cba 3. ? 4. ∠dac ≅ ∠bca; ∠acd ≅ ∠cab 4. cpctc 5. ∠dac and ∠bca are alt. int. ∠s; ∠acd and ∠cab are alt. int. ∠s 5. definition of alternate interior angles 6. ab ∥ cd; ad ∥ bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3? triangle angle sum theorem sas congruency theorem sss congruency theorem cpctc
Answers: 1
Amiddle school contains sixth, seventh, and eighth graders. each grade level contains approximately...
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