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MAVERICK [17]
3 years ago
9

Order the rational Numbers in Descending Order -1/2, -0.45, -2/3, -40%, -66%, -0.65

Mathematics
1 answer:
Tems11 [23]3 years ago
6 0

Answer:

Ordered from Greatest to Least

-40%, -0.45, -1/2, -0.65, -66%, -2/3

Step-by-step explanation:

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Answer is E!
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75% of 12 can be represented with the equation 75/100=x/12

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3 years ago
how do I solve this quadratic simultaneous equation 2y+2x=7 and x^2-4y^2=8 it has two sets of solutions and I'm solving by both
Ghella [55]
These are all the possible answers i know from experience.

2x + 2y = 7
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x = -y + 7/2

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y^2 - 7y + 49/4 - 4y^2 = 8

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0 = 12y^2 + 28y + 32 - 49

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y = (-b ± √(b^2 - 4ac))/(2a)

y = (-28 ± √(28^2 - 4(12)(-17)))/(2(12))

Dividing by 2 is like dividing by √(4):

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