课程咨询
美国本科留学资料领取

扫码添加助教

免费领取

备考资料大礼包

扫码关注公众号

SAT数学每日一题练习(2019年5月9日)

2019-05-09 17:48:28来源:网络

  新东方在线SAT频道为大家带来SAT数学每日一题练习(2019年5月9日)一文,希望对大家SAT备考有所帮助。更多精彩尽请关注新东方在线SAT频道!

  Read the following SAT test question and then click on a button to select your answer.

  The shape of a solid wire can be approximated by a cylinder, where the circular cross section of the wire represents the base of the cylinder and the length of the wire represents the height of the cylinder. If a wire has a circular base with a diameter of 0.01 meters and a length of 31.42 meters, what is the total volume of the wire, to the hearest hundredth of a cubic centimeter?

  A. 0.01

  B. 785.5

  C. 2468

  D. 9871

  答案:C

  解析:

  Choice C is correct. The equation for the volume of a cylinder is V= πr^2h, where V is the volume, r is the base radius, and h is the height. In this problem, the height is the length of the wire.

  The radius of the wire is half the diameter, so r=0.01/2=0.005 meters. This must be converted to centimeters, by mulyiplying 0.005 by 100 to get 0.5 centimeters. The length of the wire, h, is 31.42 meters. This must be converted to centimeters by multiplying 31.42 by 100 to get 3142 centimeters. To find the volume, substitute these values in and simplify V= π(0.25)(3142)=2468. The correct answer is 2468 cubic centimeters.

  以上就为大家整理的“SAT数学每日一题练习(2019年5月9日)”,更多精彩内容,请关注新东方在线SAT频道。


SAT水平能力测试【0元免费测试】

本文关键字: SAT数学题 SAT数学 SAT

美本留学资料大礼包

微信扫描二维码 回复【美本资料】

机考SATCB官方样题|可汗练习题|AP全科大纲/备考资料包

更多资料
更多>>
更多内容

添加美本助教号

自动领取备考资料大礼包

1. 打开手机微信【扫一扫】,识别上方二维码;
2.添加【美本助教】,自动领取留学备考资料大礼包。

可汗学院新SAT题目完整版

微信扫描下方二维码 即可获取

更多>>
更多公开课>>

2023美本留学资料免费领取

微信添加美本助教

新东方美本助教
更多>>
更多资料

添加新东方在线美本助教号

自动领取备考资料大礼包

1. 打开手机微信【扫一扫】,识别上方二维码;
2.添加【Ella助教】,自动领取留学备考资料大礼包。