百度试题 结果1 题目【题目】Given that r, find the value of k.r=1r=1 相关知识点: 试题来源: 解析 【解析】 k=14 反馈 收藏
百度试题 结果1 题目【题目】Given that =40° find the value of m. 相关知识点: 试题来源: 解析 【解析】m=220° 反馈 收藏
Given that 5x2+2y2−2xy−14x+4y+10=0, find the values of x and y. 答案 Take y as the pivot element.∵2y2+(4−2x)y+5x2−14x+10=0∴2[y2+(2−x)y+(2−x2)2]−(2−x)22+5x2−14x+10=0∴2(y−2−x2)2+12(3x−4)2=0∴⎧⎨⎩y−2−...
百度试题 结果1 题目Given that:n=45 and y=23.6, find the value of Ey. 相关知识点: 试题来源: 解析 1062 反馈 收藏
Given that a is a negative real number and a≠−2. If a+1a+2=−4, find the value of a.已知a为负实数且a≠−2,若a+1a+2=−4,求a的值. 答案 −3.相关推荐 1Given that a is a negative real number and a≠−2. If a+1a+2=−4, find the value of a.已知a为...
百度试题 结果1 题目【题目 】Find the values of x for which f(x) is a decrea sing function, given that f(r) eauals:x| 25 相关知识点: 试题来源: 解析 【解析】 5=x0,0x≤ 5 反馈 收藏
【题目】14 Given that the two square roots of a are r 3 and 2x -15, find the value of a. 相关知识点: 试题来源: 解析 【解析】 14 49(Hint: (x+3)+(2x-15)-0, so x =4, therefore the square roots of a are 7 and -7,a=49) ...
百度试题 结果1 题目Given that 20117÷8=A+17, find the value of A. 相关知识点: 试题来源: 解析 25 20117÷8=(200+87)÷8=25+17 Therefore, we must have A=25.反馈 收藏
结果一 题目 Given that (2a+3)2+6-2=0,find the value of a. Given that (2a+3)*+|b-2|=0,find the value of a'. 答案 11-|||-94优质解答相关推荐 1Given that (2a+3)2+6-2=0,find the value of a. Given that (2a+3)*+|b-2|=0,find the value of a'. ...
百度试题 结果1 题目【题目】.20Given that∑r=r,find the value of k.r=】r= 相关知识点: 试题来源: 解析 【解析】-|||-k=14 反馈 收藏