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Mathematics
23.07.2021 07:04
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For the parallelogram, if m 2 - 4x-20 and m24 - 3x - 11, find m21. The diagram is
For the parallelogram, if m 2 - 4x-20 and m24 - 3x - 11, find m21. The diagram is not to scale.
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july00
4,9(10 marks)
Step-by-step explanation:
tylerwoodson
4,6(36 marks)
pls dont delete this i need the points
Step-by-step explanation:
smolemily
4,5(45 marks)
T = -0.005x^2 + 0.45x + 125
T = 132 => -0.005x^2 + 0.45x + 125 = 132
=> -0.005x^2 + 0.45x +125 -132 = 0
=> -0.005x^2 + 0.45x - 7 = 0
Discriminant: b^2 - 4ac = (0.45)^2 - 4( - 0.005)(-7) = 0.2025 - 0.14 = 0.0625
Discriminant > 0 => the equation has two real and different solutions.
yes
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