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MATH SOLVE
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Of the choices below, which unit of measurement would be most appropriate for measuring the mass of a train?
General
4 months ago
Robert is in charge of a community swimming pool. Each sprig he drains it in order to clean it. Then he refills the pool, which holds 120,000 gallons of water. Robert fills the pool at a rate of 10 gallons each minute. What is the rate at which Robert will fill the pool? Is it constant? Write an equation for the direct variation.
General
4 months ago
Polygon q is a scaled copy of polygon p using a scale factor of 1/2 polygon q’s area is what fraction of polygon p’s area?
General
4 months ago
3x - x + 3 + x - 5 - x = x + 10
General
4 months ago
The composite figure is made up of a rectangular prism and a a0 .a1
General
4 months ago
it takes 10 workers 5 days to complete a road repair when working 2 hours a day. working at the same pax’s how many days will it take 2 people working 5 hours a day to finish it?
General
4 months ago
A water trough has two congruent isosceles trapezoids as ends and two congruent rectangles as sides. The exterior surface area of the trough is ________.The volume of the trough is _____.If a trough is emptied until the water level is even with the midsegment of the trapezoidal ends there will be ______ cubic feet of water left in the trough.
General
4 months ago
A water trough has two congruent isosceles trapezoids as ends and two congruent rectangles as sides. The exterior surface area of the trough is ________. The volume of the trough is _____. If a trough is emptied until the water level is even with the midsegment of the trapezoidal ends there will be ______ cubic feet of water left in the trough.
General
4 months ago
The volume of a single layer in a rectangular prism is 18 cubic centimeters. There are 5 layers in this rectangular prism. What is the volume, on cubic centimeters, of this rectangular prism?
General
4 months ago
The two figures are similar. a). Write the similarity statement. b). Is the image of the dilation a reduction or an enlargement of the original figure? Explain. c) what is the scale factor? Explain
General
4 months ago
Can someone help me out with find the unit rate and also solve by equivalent fractions
General
4 months ago
Michael goes to a theme park and rides two different roller coasters that both begin on a raised platform. His height while on the first roller coaster, measured in feet from the platform height, can be modeled by the following graph, where t is the number of seconds since the ride began. His height while on the second roller coaster, measured in feet from the platform height, can be modeled by a trigonometric function, shown in the following table, where t is the number of seconds since the ride began. t 0 20 40 60 80 100 120 140 160 g(t) 0 50 100 50 0 -50 -100 -50 0 Which of the following best describes Michael's height while on the two roller coasters? A. While on the first roller coaster, the function modeling Michael's height switches from positive to negative every 60 seconds, meaning he changes from being at a height above the platform to below the platform every 60 seconds. While on the second roller coaster, this change occurs every 20 seconds. B. While on the first roller coaster, the function modeling Michael's height switches from positive to negative approximately every 40 seconds, meaning he changes from being at a height above the platform to below the platform approximately every 40 seconds. While on the second roller coaster, this change occurs every 80 seconds. C. While on the first roller coaster, the function modeling Michael's height switches from positive to negative every 40 seconds, meaning he changes from being at a height above the platform to below the platform every 40 seconds. While on the second roller coaster, this change occurs every 20 seconds. D. While on the first roller coaster, the function modeling Michael's height switches from positive to negative approximately every 80 seconds, meaning he changes from being at a height above the platform to below the platform approximately every 80 seconds. While on the second roller coaster, this change occurs every 40 seconds.
General
4 months ago
What is the median of this data set?22, 37, 49, 15, 82O<A. 37O B. 27O C. 31O D. 41
General
4 months ago
(7z^3+42z^2-15z+1)- (36z^2+12z-21)
General
4 months ago
A solid machine part is to be manufactured as shown in the figure. The part is made by cutting a small cone off the top of a larger cone. The small cone has a base radius of 3 inches and a height of 5 inches. The larger cone has a base radius of 9 inches and had a height of 15 inches prior to being cut. What is the volume of the resulting part illustrated in the figure? A. 15 cubic inches B. 155 cubic inches C. 390 cubic inches D. 405 cubic inches
General
4 months ago
Simplify 6 plus the square root of negative 80. 6 plus 16 times the square root of 5 i 6 plus 4 i times the square root of 5 6 plus 16 i times the square root of 5 6 plus 4 times the square root of 5 i
General
4 months ago
Solve by using the measurements ∠PQR = 90°, ∠QRP = 80°, and r = 15. Round measures of sides to the nearest tenth and measures of angles to the nearest degree.
General
4 months ago
A ladder 10 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 0.8 ft/s, how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 8 ft from the wall?
General
4 months ago
In a circle with a radius of 6 ft, an arc is intercepted by a central angle of 3π2 radians.What is the length of the arc?2π ft 3π ft 6π ft 9π ft
General
4 months ago
Find the solution to this system of equations 3x+2y+3z=3 4x-5y+7z=1 2x+3y-2z=6 x=? Y=? Z=?
General
4 months ago
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