Mathematics, 14.04.2020 20:55 giraffegurl
Partial results of a survey about students who wear glasses are shown in the two-way table.
A 5-column table with 3 rows titled Wear Glasses. Column 1 has entries boys, girls, total. Column 2 is labeled always with entries 25, blank, 60. Column 3 is labeled sometimes with entries 50, blank, blank. Column 4 is labeled never with entries blank, 48, 100. Column 5 is labeled total with entries blank, 98, blank.
Which of the following statements are true? Check all that apply.
A.225 students were surveyed.
B.25 girls always wear glasses.
C.15 girls sometimes wear glasses.
D.52 boys never wear glasses.
E.75 boys were surveyed.
F.65 students sometimes wear glasses.
Answers: 3
Mathematics, 21.06.2019 14:30
Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²
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Mathematics, 21.06.2019 16:30
Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?
Answers: 1
Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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Mathematics, 21.06.2019 23:50
Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.
Answers: 3
Partial results of a survey about students who wear glasses are shown in the two-way table.
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