题库网 (tiku.one)

 找回密码
 立即注册

手机扫一扫,访问本页面

开启左侧

IB MAI HL Number and Algebra Topic 1.2 Sequences & Series (id: 0b59f34f5)

[复制链接]
admin 发表于 2024-2-9 14:58:15 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.2 Sequences & Series,类别为 IB数学

[填空题]
On September 1st, an orchard commences the process of harvesting 9*a7ico.gb es 36 yp6 8du8hu5 3pncb 6h/kwg-lg hectares of apple trees. At the end of September 4th, there were 30 hectares remaining to be harvested, and at the end of September 8th, there were 24 hectares remaining. Assuming that the number of hectares harvested each day is constant, the du3 p6g8wcu-gy 8 bhpl/5h6nktotal number of hectares remaining to be harvested can be described by an arithmetic sequence.

1.Find the number of hectares of apple trees that are harvested each day.
the orchard harvests    hectares of apple trees per day.
2.Determine the number of hectares remaining to be harvested at the end of September 1st.
at the end of September 1st, there are    hectares remaining to be harvested.
3.Determine the date on which the harvest will be complete.
the harvest will be complete at the end of September   th.

In 2021 the orchard sold their apple crop for $220000. It is expected that the selling price will then increase by 3.2% annually for the next 7 years.

4.Determine the amount of money the orchard will earn for their crop in 2026. Round your answer to the nearest dollar.
In 2026, the orchard will earn $  .

for their crop.
5.1.Find the value of $\sum_{n=1}^8(220000 \times 1.032^{n-1})$. Round your answer to the nearest integer.

5.2.Describe, in context, what the value in part (e) (i) represents.
The total amount earned for the apple crop from    to   
6.Comment on whether it is appropriate to model this situation in terms of a geometric sequence.
the selling price increases at a    rate annually.





参考答案:
空格1: 1.5空格2: 34.5空格3: 24空格4: 257526空格5: 2021空格6: 2028空格7: similar


本题详细解析:

微信扫一扫,分享更方便

帖子地址: 

回复

使用道具 举报

您需要登录后才可以回帖 登录 | 立即注册

本版积分规则

浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

GMT+8, 2025-4-27 02:55 , Processed in 0.054742 second(s), 29 queries , Redis On.

搜索
快速回复 返回顶部 返回列表