1.將電腦螢幕視為坐標平面,在路易造 戲中,彈藥補給車在轴上移動,三從室
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单元6 综方程
3-4-15
/
+1 一
17-04-2
ドーろく
(69)
B
---
人- 2
(25)
(1,0)
A(2.3)的位置,需先到補给車補充彈築後,再
移動至堡壘B(6.9)的位置换防。試問:
(1)士兵但以最短的距整完成換防任務,之痛经
車所在位置的坐標。 4
(2)求該士兵移動的最短距整。
等
2

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Solve the equation 1. x-3/4=2 4/52. -1/3x-11= -20 3. -12+5/7x= -19