Mathematics, 16.06.2021 17:40 haleylecompte
The irrigation design for a new backyard is shown with four sprinkler heads and two walkways.
The distance between grid lines is 3 feet.
4 sprinklers are on 2 separate pieces of land. Each sprinkler waters a circular area with a diameter of 9 feet. The sprinklers are at least 6 feet from each other. The sprinklers are more than 3 feet away from the walkway.
Which statements about the design are true? Select three options.
Each sprinkler head is placed more than 3 feet from the walkway.
If two additional sprinkler heads are placed on the lawn, every square foot of the yard would be watered.
The total area watered by each sprinkler is approximately 63.6 square feet.
The total area watered by all the sprinklers is approximately 254 square feet.
If the sprinklers were placed in two straight lines on the yard, they would water a greater amount of the lawn.
Answers: 2
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The school track has eight lanes. each lane is 1.25 meters wide. the arc at each end of the track is 180. the distance of the home straight and the radii for the arcs in the 1st 4 lanes are given. s=85m r1=36.5m r2=37.75m r3=39m r4=40.25m part one: find the radii of lanes 5 through 8 of the track. show your work. part two: if max ran around lane one, how far did he run? show your work and explain your solution. part three: max wants to run a total of three laps around the track, choose two additional lanes (2-8) for him to run and find the distance around those two lanes. show your work and round to the hundredths. part 4: based on your lane choices in part three, what was the total distance max ran in the three laps around the track?
Answers: 2
The irrigation design for a new backyard is shown with four sprinkler heads and two walkways.
The d...
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