Algebra - Mathematics Questions and Answers

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Mathematics » Algebra

2×[0.3(1.3+3.7)] of 0.8 =?

A

1.9

B

0.72

C

2.16

D

2.4

Mathematics » Algebra

if x+y+3=0, then find the value of x3+y3-9xy+9.

A

18

B

-18

C

-36

D

36

Mathematics » Algebra

If (x + 6y) = 8, and xy = 2, where x > 0, what is the value of (x3 + 216y3)?

A

476

B

368

C

224

D

288