Mathematics

Mathematics, 19.07.2019 00:30, alcantar28eduin

Which of the following statements is incorrect for angle xyz

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Physics, 28.06.2019 09:50, glocurlsprinces

Cut a sector of angle θ from a circular piece of a paper of radius 5 and join points a and b to make a cone. what is the maximum volume v of the cone? what angle θ gives the maximum volume? numerical exploration can you identify the approximate angle that appears to maximize the volume of the cone? (round your answer to two decimal places.) θ ≈ 50 incorrect: your answer is incorrect. what is the maximum volume? (round your answer to three decimal places.) v = 20 incorrect: your answer is incorrect. does this angle also maximize the surface area of the cone? yes no correct: your answer is correct. if we change the radius of the circular piece of paper, do you think that will affect the angle that gives the largest cone volume? this answer has not been graded yet. analytical solution what is the maximum volume v of the cone? v = incorrect: your answer is incorrect. what angle θ gives the maximum volume? θ =

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Mathematics, 08.07.2019 07:30, Jgrant500

3. match the following reasons with the statements to complete the following proof. given: ad is a straight line and m cbd = m dbe to prove: m angle abc + m angle dbe = 180°. (pic here) 1. m angle cbd = m angle dbe 2. abc, cbd are supplementary 3. m angle abc + m angle cbd = 180° 4. m angle abc + m angle dbe = 180° a. given b. definition of supplementary c. substitution d. sides in opposite rays

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Mathematics, 31.07.2019 07:00, janeou17xn

Aclassmate believes that a triangle can have both a right angle and an obtuse angle. which of the following statements would you use to convince him that he is incorrect?

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Mathematics, 21.08.2019 06:30, littlelyna2love

2. what line forms when a plane and a cylinder intersect? a. broken line b. straight line c. parallel line d. curved line student b incorrect reference: 5. in which one of the following pairs of angles are the angles always equal to each other? a. complementary b. vertical c. adjacent d. supplementary student d incorrect reference: 6. to construct an angle equal to a given angle, you need a pencil and a a. compass only. b. protractor only. c. protractor and a straightedge. d. compass and a straightedge. student b incorrect reference: 8. this figure shows the procedure for constructing a a. perpendicular from a point on a line. b. perpendicular bisector. c. pair of parallel lines. d. bisector of an angle. student b incorrect reference: 9. find the angle complementary to the angle 80°25′. a. 180° b. 9°35′ c. 90° d. 99°35′ student c incorrect reference: 10. use this figure to calculate the size of ∠eoc. a. 90° b. 59° c. 149° d. 31° student a incorrect reference: 11. an example of a plane geometric surface is the a. side of a box. b. side of a cone. c. surface of a sphere. d. side of a cylinder. student c incorrect reference: 12. the shortest distance from a point to a straight line is a. a parallel through the point to the line. b. the perpendicular bisector of the line. c. a vertical line through the point. d. the perpendicular from the line to the point. student b incorrect reference: 13. what is the angle supplementary to the angle measuring 165°12′? a. 180′ b. 60′ c. 14°48′ d. 75°12′ student b incorrect reference: 14. in this figure, ∠a and ∠b are a. complementary. b. vertical. c. equal. d. supplementary. student c incorrect reference: 15. the diagram in this figure illustrates a angle. a. reflex b. right c. curved d. supplementary student c incorrect reference: 16. what affects the size of an angle? a. the length of its sides b. the amount of rotation of one side c. its location d. the number of degrees in its supplement student c incorrect reference: 17. use this figure to find the value of ∠fod. a. 63° b. 78° c. 46° d. 27° student b incorrect reference: 19. in this figure, angles p and w are examples of a. alternate exterior angles. b. vertical angles. c. alternate interior angles. d. corresponding angles. student a incorrect reference: 20. if ∠o = 125°, what does ∠z equal in this figure? a. 55° b. 125° c. 35° d. 180° student c incorrect

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