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olga_2 [115]
3 years ago
13

(I NEED THIS DONE ASAP PLEASE) Lena wants to plant a new lawn, but she knows that it’s not safe to run a mower on a hill with a

slope ratio steeper than 1 to 3 (Δy = 1, Δx = 3). She has two hills in her yard. Hill A rises 4 feet and has a horizontal distance of 85 feet. Hill B rises 75 feet and has a horizontal distance of 200 feet. On which hill(s) can Lena safely plant her lawn? Justify your reasoning clearly
Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

  • Hill A

Step-by-step explanation:

<u>Steepness of hill A:</u>

  • 4/85 < 1/3

<u>Steepness of hill B:</u>

  • 75/200 = 3/8 > 1/3

The hill A is less sloped so it is safer to lawn plant

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n200080 [17]

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(or perhaps the last partial derivative should be 4 to match up with the integral?)

From these equations we find

f(x,y,z)=xy+g(y,z)

\dfrac{\partial f}{\partial y}=x=x+\dfrac{\partial g}{\partial y}\implies\dfrac{\partial g}{\partial y}=0\implies g(y,z)=h(z)

f(x,y,z)=xy+h(z)

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8 0
3 years ago
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Answer:

The measure of the fourth angle = 137.1°

Step-by-step explanation:

Let x = the measure of the fourth angle

Sum of all 4 interior angles in a quadrilateral equal 360°

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mina [271]

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Step-by-step explanation:

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Answer:

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