What does d equal when r = 1/2 (c - d)?

👨🏻‍🏫 學術台數學

[匿名]

2009-12-08 9:39 am

回答 (7)

Engr. Ronald

2009-12-08 9:58 am

✔ 最佳答案

r = 1/2 (c - d)
2r=c-d
d=c-2r answer//

checking

r=1/2(c-(c-2r))
r=1/2(c-c+2r)
r=1/2(2r)
r=r correct!

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An ESL Learner

2009-12-08 6:30 pm

r = 1/2(c - d)
c - d = 2r
d = c - 2r

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Como

2009-12-08 6:10 pm

2 r = c - d

d = c - 2 r

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[匿名]

2009-12-08 5:55 pm

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[匿名]

2009-12-08 5:51 pm

need more information pls.

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[匿名]

2009-12-08 5:47 pm

Since d is 2r, and r is 1/2(c-d)

d = 2{1/2(c-d)} = cd

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[匿名]

2009-12-08 5:43 pm

d = c-2r

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