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zloy xaker [14]
3 years ago
5

A gardener is watering his two flower beds with an oscillating sprinkler. The oscillating sprinkler adjusts the angle the water

exits the sprinkler head so that both flower beds are watered without moving the location of the sprinkler head. First, water from the sprinkler is shot up into the air in an arch and leaves the sprinkler head with a speed of 55m/s at an angle of θ = 35◦ above the horizontal. The water lands in the center of the flower beds. Then sprinkler bar rotates reducing its angle to an angle of θ = 30◦ above the horizontal and the water lands in the center of the second flower bed. The flower bed closest to the sprinkler is at the same height as the sprinkler head. Water reaches the flower bed closest to the sprinkler when the water is at an angle of 30◦ . The flower bed farthest from the sprinkler is in a raised flower bed, so the flowers are a height of 0.75 m above the ground. Assume the sprinkler head doesn’t change height as it rotates. How far apart are the centers of two flower boxes from each other? (Note: the gardener notices it takes longer than a half a second for the water to reach each of the flower beds)
Mathematics
1 answer:
Wittaler [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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LenaWriter [7]

Answer:Hi, the correct answer is \frac{160}{3}.

Step-by-step explanation:

 As you are being asked for rate and the importat value is the number of calories consumed. We need to simplify the fraction \frac{480 calories}{9 ounce} . Then we simplify.

Note that 480 is divisible by 3 and 9 as well. 480/3 = 160 and 9/3 = 3. Therefore, 480/9 = 160/3.

8 0
3 years ago
Select the point that is a solution to the system of inequalities​
ExtremeBDS [4]
<h3>Answer: B.  (-1, 0)</h3>

This point is below both the red diagonal line and the blue parabola. We know that the set of solution points is below both due to the "less than" parts of each inequality sign.  

In contrast, a point like (2,2) is above the parabola which is why it is not a solution. It does not make the inequality y \le x^2-3x true. So this is why we can rule choice A out.

Choice C is not a solution because (4,1) does not make y \le -x+3 true. This point is not below the red diagonal line. We can cross choice C off the list.

Choice D is similar to choice A, which is why we can rule it out as well.

5 0
3 years ago
Is it's an isosceles trapezoid? how do you know???
NNADVOKAT [17]

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Hope that helps!!!!!!

7 0
3 years ago
Read 2 more answers
Can someone help? Please :(
Arturiano [62]
The answer is 64 took the test
7 0
2 years ago
The radius of a large sphere is 8 times the radius of a small sphere. the surface area of the large sphere is how many times the
kondaur [170]
Large sphere's radius = R,
small sphere's radius = r, R = 8r
surface area of a sphere (SA) = 4×pi×radius^2
So what we need is the SA of the larger in terms of the smaller sphere, so if:
SA (of R) = 4×pi×R^2, then plug in "8r" for "R"...
SA = 4×pi×(8r)^2 = 4×3.14×64r^2
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Therefore the SA of the larger sphere is 804 times the SA of the smaller sphere.
I hope that makes sense!
8 0
4 years ago
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