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timama [110]
3 years ago
13

Fill in missing information to make the equality true: (... +2a)2 = … +12ab2+4a2.

Mathematics
1 answer:
DIA [1.3K]3 years ago
6 0

{ (3b + 2a)}^{2} = 9 {b}^{2}  + 12ab + 4 {a}^{2}

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30 pts ! The height of the Ferris wheel in feet can be represented by the function 50 cos (π/15(x-10))+52 with time in x seconds
Dahasolnce [82]

h = 50 cos ( pie(x - 10 )/15 ) + 52

80 = 50 cos ( pie( x - 10 )/15 ) + 52

80 - 52 = 50 cos ( pie( x - 10 )/15 )

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Thus ;

pie( x - 10 )/15 = 0.3111 pie

( x - 10 )/15 = 0.3111

x - 10 = 15 × 0.3111

x - 10 = 4.6665

x = 10 + 4.6665

x = 14.6665 [ approximately ]

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7 0
3 years ago
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