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ollegr [7]
3 years ago
6

Bethany needs to earn money by walking a certain number of miles. She will walk for 7 days and needs to walk a total of 8 2/5 mi

les. If she walks the same amount of miles each day, how many miles will she need to walk each day?
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
4 0
If she walks the same amount of miles each day, she will need to walk .83 of a mile everyday.
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Can someone pls help me with number 28.
alexandr402 [8]

Answer:

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Step-by-step explanation:

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1 year ago
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kirill [66]
The answer would be D) 98.8% because if the initial price is $25 per share, then Gavin would have spent $12,500. None of the other answers make sense since if it was just 3% or 82.3%, then it would be too much to equal $150 in return. If you were to put C, then the shares would equal $4.43 each, and If you bought 500 shares, then it would equal $2,212.5 which would be way more than $150. In the other hand, D is correct because then only 1 share would equal $0.3 and that multiplied by 500 equals precisely $150.

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2 years ago
Write a fraction that is equivalent to this number 0.997
Ne4ueva [31]
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3 years ago
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3 years ago
If L=√(x^2+y^2), dx/dt =-4, dy/dt=3, find dL/dt when x=4 and y=3
yulyashka [42]

Hello,

L=\sqrt{x^2+y^2} \\\\\dfrac{dx}{dt}=-4\\\\\dfrac{dy}{dt}=3\\\\x=4, y=3\\\\\dfrac{\partial L} {\partial x} =\dfrac{x}{\sqrt{x^2+y^2}} \\\\\dfrac{\partial L} {\partial y} =\dfrac{y}{\sqrt{x^2+y^2}} \\\\\dfrac{dL}{dt} =\dfrac{\partial L} {\partial x}*\dfrac{dx}{dt}+\dfrac{\partial L} {\partial y}*\dfrac{dy}{dt}\\\\=-4*\frac{-4}{\sqrt{4^2+3^2}} +3*\frac{3}{\sqrt{4^2+3^2}}\\\\=\dfrac{16}{5} +\dfrac{9}{5} \\\\=5\\

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2 years ago
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