早教吧作业答案频道 -->数学-->
1.What is the measure of one exterior angle of a regular polygon having 40 sides?2.To the nearest thousandth,what is tan (77o) 3.When the angle of elevation to the sun is 26o,a flagpole casts a shadow that is 82 feet long.What is the height of the fl
题目详情
1.What is the measure of one exterior angle of a regular polygon having 40 sides?
2.To the nearest thousandth,what is tan (77o)
3.When the angle of elevation to the sun is 26o,a flagpole casts a shadow that is 82 feet long.What is the height of the flagpole to the nearest foot?
9
4.What is the value of ∑ 2k – 3
k = 4
5.1.Find the sum of the infinite geometric series:3 + 1.8 + 1.08 + 0.648 + …
2.To the nearest thousandth,what is tan (77o)
3.When the angle of elevation to the sun is 26o,a flagpole casts a shadow that is 82 feet long.What is the height of the flagpole to the nearest foot?
9
4.What is the value of ∑ 2k – 3
k = 4
5.1.Find the sum of the infinite geometric series:3 + 1.8 + 1.08 + 0.648 + …
▼优质解答
答案和解析
1.9°(正四十边型的外角度数)
2.4.331 (tan77°的精确到千分位的数字)
3.tan26*82=40.0 feet(仰角26°,旗杆投影82英尺)
4.from 4 to (求和)
5+7+9+11+13+15=60
5.7.5 (等比数列无穷项和)
2.4.331 (tan77°的精确到千分位的数字)
3.tan26*82=40.0 feet(仰角26°,旗杆投影82英尺)
4.from 4 to (求和)
5+7+9+11+13+15=60
5.7.5 (等比数列无穷项和)
看了 1.What is the ...的网友还看了以下:
she is listening to 还有下面的~连线1.how old is hse goin 2020-05-16 …
句子连线 A B May I have at seven thirty.Here you like 2020-05-16 …
What is known to us all is that America is a deve 2020-05-16 …
同义转换:Jane is a girl.she is years old.改为:Jane is - 2020-05-16 …
is what to she do goingis what to 2020-05-16 …
英语翻译为什么是(had the girl taken to)?为什么不是 take the gi 2020-05-16 …
英语翻译What you see is what you get You've probably 2020-05-17 …
表语/主语从句Perseverance is a kind of quality and that 2020-05-17 …
各种英语问题 .期待大神回答We sat there,_____with what we list 2020-05-17 …
连词成句(英语)(1)how,going,school,are,to,they(2)where,pl 2020-10-30 …