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il63 [147K]
3 years ago
8

Kathy is a repair technician for a phone company. each week, she receives a batch of phones that need repairs. the number of pho

nes that she has left to fix at the end of each day can be estimated with the equation p=108−23d, where ppp is the number of phones left and ddd is the number of days she has worked that week. what is the meaning of the value 108108108 in this equation?
Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
6 0
We have equation:
p=108-23d

p = number of phones left to repair
108 = initial amount at the start of week
23 = number of phones repaired each day
d = number of days she worked that week
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Answer:

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Step-by-step explanation:

Recall that for a rhombus, the diagonals always intersect at right angles.

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6 0
3 years ago
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The circumference of the ellipse approximate. Which equation is the result of solving the formula of the circumference for b?
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Answer:

b = \sqrt{\frac{C^{2} }{2(\pi )^{2} }  -  a^{2}}

Step-by-step explanation:

Given - The circumference of the ellipse approximated by C = 2\pi \sqrt{\frac{a^{2} + b^{2} }{2} }where 2a and 2b are the lengths of 2 the axes of the ellipse.

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Solution -

C = 2\pi \sqrt{\frac{a^{2} + b^{2} }{2} }\\\frac{C}{2\pi }  =  \sqrt{\frac{a^{2} + b^{2} }{2} }

Squaring Both sides, we get

[\frac{C}{2\pi }]^{2}   =  [\sqrt{\frac{a^{2} + b^{2} }{2} }]^{2} \\\frac{C^{2} }{(2\pi)^{2}  }   =  {\frac{a^{2} + b^{2} }{2} }\\2\frac{C^{2} }{4(\pi)^{2}  }   =  {{a^{2} + b^{2} }

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∴ we get

b = \sqrt{\frac{C^{2} }{2(\pi )^{2} }  -  a^{2}}

8 0
3 years ago
PLEASE HELP ME I REALLY NEED THIS
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Answer:

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Step-by-step explanation:

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