英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the

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英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the
英文的数学题,请将每一步用英文解释清楚
the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .
a,write a function rule for the cost of a call using an in-flight phone .
b,find the cost of a 10-minute in-flight call .

英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the
a,the cost of a call includes a 3.99dollar connection fee plues 3.99 dollar per minute,so the function rule for the cost of a call is y=3.99+3.99x (dollar) b.a 10-minute in-flight call cost y=3.99+3.99*10=43.89（dollar）

英文的数学题,请将每一步用英文解释清楚the total cost to use an in-flight phone on one airline includes a $3.99 connection fee plues $3.99 per minute .a,write a function rule for the cost of a call using an in-flight phone .b,find the 等号右边是怎么得到的?根据的是什么公式?每一步请解释清楚, 解释清楚的英文说法丢番图墓碑数学题用方程和算式每一步的意思及解释英文成语和英文解释用通俗的英文将英文成语解释,最好写上中文意思. 走好人生的每一步英文怎么翻译 hobby的英文解释? 在线等!英文解释，请注意!!!!!!!!!!!!!!!! 我会陪你,在漫漫长路的每一步.用英文怎么说. 请在每一步后面解释原因. 清楚的解答每一步(解方程) “不孝”这个词用英文怎样向老外解释清楚洗T恤用英文解释一道数学题,如果用解方程,每一步的步骤要清楚,如果用算术法,步骤也要清楚.小明和小刚各有玻璃弹球若干个.小明对小刚说：“我若给你2个,我们的玻璃弹球将一样多.”小刚说：“我若给你 prominent是什么意思?请给英文的解释团队的英文怎么解释?就是将英文TEAM分开来解释,T代表什么,E,A,M各代表什么? 请用英文解释这些单词, 英文农药请英文高手,帮忙用中文解释一下pesticide与 antiparasite（veterinary uses还有treatment and control of enemies of animals之间的区别,麻烦解释清楚一些,还是想知道这些之间的区别。另外，那位高手请将我的T恤衫递给我.翻译成英文.