1.k percent = 百分之k = k/100
“2 cars that sold for $14,000 each”的selling price=28000.
因此這個(gè)salesperson的commission=28000×(k/100)=280k
2.“The first term of a sequence of numbers is 1”：一個(gè)數(shù)列的第一項(xiàng)等于1.
“if each term after the first is the product of -2 and the preceding term”：每下一項(xiàng)等于上一項(xiàng)乘以（-2）.
“what is the sixth term of the sequence”：?jiǎn)柕诹?xiàng)是什么?
第一項(xiàng)是1,
我們可以得到第二項(xiàng)等于1×（-2）=-2
第三項(xiàng)=-2×-2=4
以此類推.
總之這個(gè)是等比數(shù)列,公比為-2,第一項(xiàng)為1,那么第六項(xiàng)就是(-2)^5=-32
1.a salesperson's commission is k percent of the selling price of a car .Whick of the follwing represents the commission
1.a salesperson's commission is k percent of the selling price of a car .Whick of the follwing represents the commission ,in dollars ,on 2 cars that sold for $14,000 each
為什么（A)280K 是對(duì)的 （C)28,000K是錯(cuò)的
2.The first term of a sequence of numbers is 1.if each term after the first is the product of -2 and the preceding term,what is the sixth term of the sequence幫我翻譯一下這個(gè)問題
為什么（A)280K 是對(duì)的 （C)28,000K是錯(cuò)的
2.The first term of a sequence of numbers is 1.if each term after the first is the product of -2 and the preceding term,what is the sixth term of the sequence幫我翻譯一下這個(gè)問題
英語(yǔ)人氣：645 ℃時(shí)間：2020-05-13 10:01:13
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