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Public contributions from visitors who posted under the name ef4.

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A bag contains 15 colored marbles numbered 1 through 15. Each marble is red (R), green (G), or blue (B), as listed in the sample space S. S equals StartSet R 1 comma R 2 comma R 3 comma R 4 comma R 5 comma G 6 comma G 7...
1 answer
The probability that a student is accepted into Ally College is 2-fifths. The probability that a student is accepted into Bell College is 7-tenths. Let A be the event that a student is accepted into Ally College. Let B b...
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Line m is the graph of line y equals 1-tenth x. What is the slope of the line that is perpendicular to line m? Answer options with 5 options A. negative 10 B. negative 1-tenth C. negative 1 D. 1 E. 10
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The figure shows two intersecting lines. Information A figure shows 2 lines intersecting to form 4 angles. Starting from the leftmost angle and going clockwise, the angles are labeled: 1, 2, 3, unlabeled. Question Move w...
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A plane intersects a cone, as shown in this diagram. The plane intersects the lateral surface of the cone, diagonally. Question Which shape represents the cross section? Answer options with 4 options A. Triangle. B. Rhom...
1 answer
Use the graph to complete the proof. Information A graph.Short description, A graph.,Long description, The graph shows two circles: Circle C subscript 1 baseline and Circle C subscript 2 baseline. Circle C subscript 1 ba...
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The volume of a sphere can be found using the formula V equals four-thirds pi r cubed, where V is the volume and r is the radius. Which statement explains the change in the volume when the radius is doubled? Answer optio...
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Use the figure to answer the question. Information Triangle P Q R is graphed on a coordinate plane. Point P is at (3, 3). Point Q is at (5, 2). Point R is at (2, 1). Question What is the perimeter of triangle P Q R? Answ...
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The pyramid shown has a height of 40 meters, a slant height of 41 meters, and a square base with a side length of 18 meters. Volume equals 1-third B h B is the area of the base of the pyramid. h is the height of the pyra...
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Use the graph to answer the question. Information On a coordinate plane, triangle P R Q is graphed. Point P is at (0, 5). Point R is at (2, 0). Point Q is at (negative 3, 2). Question What is the perimeter of triangle P...
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Find the length of the diagonal of a square with perimeter 32. Information Answer options with 5 options A. 4 StartRoot 2 EndRoot B. 8 C. 2 StartRoot 2 EndRoot D. 45 E. 8 StartRoot 2 EndRoot
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Consider the two events A and B when x is a whole number. A equals StartSet 4 is less than x which is less than or equal to 15 EndSet B equals StartSet 0 is less than or equal to x which is less than 20 EndSet Question W...
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A city has a garden in the shape of an equilateral triangle with 40 foot sides. There is a walkway that runs from a gate located at the midpoint of one side of the equilateral triangle to a fountain at the opposite verte...
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Nathan is making a kite with the dimensions shown. The kite shows a support rod is the hypotenuse of a right triangle with 2 sides that each have a length of 12 inches. Question What is the length of the support rod? Ans...
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The locations of a house, market, and library form a right triangle as shown in the diagram. A right triangle has a height of 3 miles, a base of 5 miles, and an unlabeled hypotenuse. The hypotenuse is the distance betwee...
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Use the square to answer the question. Information A square with a side length of 30. Question What is the length of a diagonal of the square? Answer options with 4 options A. 30 B. 30 StartRoot 2 EndRoot C. 30 StartRoot...
1 answer
Which two statements about conditional probability are true? Answer options with 6 options A. Conditional probability, P left-parenthesis A right-parenthesis, is the probability that event A will occur. B. Conditional pr...
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Raul and Christina are playing a game. They spin a spinner with 8 equal sections numbered 1 through 8. When the spinner lands on a player's section, that player earns a point. They have come up with four games each with...
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The formula for the volume, V, of a pyramid is V equals 1-third B h, where B is the area of the base of the pyramid and h is the pyramid's height. The base of the pyramid shown has a length of 9 meters and a width of 8 m...
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There are 50 red beans and 50 white beans in a bag. The first bean selected is red. The red bean is returned to the bag. What are the chances of the second bean selected being red? Answer options with 5 options A. StartF...
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A spinner has sections numbered from 1 to 10. Jordan and Tyson each spin the spinner several times. Set J represents the results of Jordan's spins. Set T represents the results of Tyson's spins. J equals StartSet 1 comma...
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A township is in the shape of a rectangle that is 5 kilometers long and 4 kilometers wide. There are 2000 residents in the township. What is the population density of the township? Answer options with 4 options A. 100 re...
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Karla tosses a penny 20 times. How many times is the penny most likely to land heads up? Answer options with 5 options A. 0 B. 2 C. 5 D. 10 E. 20
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Gabe and Isa are trying to decide who will pick the movie they will watch together. They will role a single die. If the result is an odd number, Gabe will choose the movie. If the result is an even number, Isa will choos...
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write an expression representing the height of the object in feet t seconds after it is dropped The expression 16 represnts distance in feet an object falls after t seconds the object is dropped from a height of 906 feet
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