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Lilit [14]
3 years ago
7

what is teh maximum area of a reactangle that is inscribed in an ellipse of equation 81x^2 +64y^2 =19

Mathematics
1 answer:
Jet001 [13]3 years ago
3 0

(9x + 8y2) • (9x - 8y2)

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It should be axaxa +10. Or a to the third plus 10
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Ricky can ride 17 km on his bike in the same length of time ha can walk 9 km.if his riding speed is 4 kph faster than his walkin
aivan3 [116]
Distance=speed times time
if they take the same time, we cal the time , t

b=bike speed
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b=4+w

we have
17=bt
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ok so
multiply first equation by 9 and 2nd by 17

153=9bt
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set equal
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sub b=4+w for b
9(4+w)=17w
distribute
36+9w=17w
minus 9w both sides
36=8w
divide both sides by 8
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he walks 4.5kph
5 0
3 years ago
ANSWER FOR BIG PRIZE!
Volgvan
3 x^3 y^2
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Consider the triangle reduction.
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What is the value expression for |-8|
Alenkinab [10]

Answer:

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Step-by-step explanation:

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