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1. chem問題!求救~ 40分

...我地點樣睇oxidation reduction有冇反應呢? 首先找出還原的離子 Fe3+ + e& minus ; --> Fe2+ 電勢0.77 氧化的是 Cl2(g) + 2 e& minus ; ---->2...

2. 唔識數學方程,可不可以教我,、謝天謝地

...s because it'll be more easy to find out the answer! Tips: Add (for minus ), minus (for adding) ... the opposite number and find it!

3. (30分)CE Phy MC Heat 一條...急!

... than l2 thus, l3=4 l2 and, since it is an unmarked thermometer, we need to minus the temperature of melting ice to have an accurate distance. It's because...

4. math problem (linear algebra)

x+3y+ = & minus ;11? 要加什麼z? 2009-02-05 14:41:17 補充： Question 4: In the...

5. CE 01 ECON MC 29

GDP = consumption + gross investment+ government spending + (exports & minus ; imports) 因：imports 減少了 \$10 million — 果： ...

6. accrual and matching concept

... that change your net worth (i.e. the amount owed to you minus the amount you owe others). Standard practice is to record and...

7. MATH CE PP 1991 #53

Draw a line AH perpendicular to DC and meet DC at H. Area of △ADK=DKxAH/2 [底x高/2] Area of △AKC=KCxAH/2 Area of △ADK/Area of △AKC =(DKxAH/2)/(KCxAH/2...

8. al econ問題

...番marginal valuation同埋equi-marginal principal。 咁因為consumer surplus即係the total value minus the total exchange value， 只要個seller抽取嘅lump-sum fees唔大過個consumer surplus...

9. 唔識做數學MC......

1) f(x) is divisible by x − k => f(k)=0 f(k)=0 3k^3-4k+k=0 3k^3-4k=-k...(*) when f(x) is divided by x + k, the remainder is f(-k) f(-k)=3(-k)^3-4(-k)+k=-(3k^3-4k)+k=-(-k)+k=2k Ans: A 2) a polynomial f(x) is divisible by x−1 f(1)=0 If f(x-1) is...

10. 6 short math problems

Please read: Q.1, Q.2, Q.3 --- http://i.imgur.com/EgAzymA.jpg Q.4, Q.5, Q.6 --- http://i.imgur.com/VCWBJsG.jpg