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为什么(A)280K 是对的 (C)28,000K是错的2.The first term of a sequence

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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为什么(A)280K 是对的 (C)28,000K是错的2.The first term of a sequence

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为什么(A)280K 是对的 (C)28,000K是错的2.The first term of a sequence
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
为什么(A)280K 是对的 (C)28,000K是错的
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帮我翻译一下这个问题

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为什么(A)280K 是对的 (C)28,000K是错的2.The first term of a sequence
1.k percent = 百分之k = k/100
“2 cars that sold for $14,000 each”的selling price=28000.
因此这个salesperson的commission=28000×(k/100)=280k
2.“The first term of a sequence of numbers is 1”:一个数列的第一项等于1.
“if each term after the first is the product of -2 and the preceding term”:每下一项等于上一项乘以(-2).
“what is the sixth term of the sequence”:问第六项是什么?
第一项是1,
我们可以得到第二项等于1×(-2)=-2
第三项=-2×-2=4
以此类推.
总之这个是等比数列,公比为-2,第一项为1,那么第六项就是(-2)^5=-32

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