步骤1:解方程 **3x = 6x - 15** 移项得到: **3x - 6x = -15** **-3x = -15** 两边除以 **-3**: **x = (-15)/(-3) = 5** 步骤2:计算 **x + 8** 代入**x = 5**: **5 + 8 = 13** 逐项分析选项: - A. **5**(错误,直接取x值,未加8) - B. **...
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If 7p + 5q = 2 and 8p - 9q = 17, then what is -p + 14q? What is 11^2? What is y if 1/8 + y = 4/5? What is 5% of 400? What is 2+2? What is x and y if y = 3x - 4 and y = 6x - 8? If \int_C \vec F \cdot d \vec s = \int_C(-3x - 3y^2)...
(x 6 (2 x - 1) y 8 5 y) = ((2 x - 3) z 5 1 (w + 1) (4y + 1)) y = u(u - 1), u = x^2 + x. Given y = f(u) and u = g(x), find d y / d x = f'(g(x)) g' (x). If y = {3x^2 - 6} / {x - 1}, find dy/dx at x = 2. Find \df...
If the three angles of a triangle are : (x + 15^(@)), ((6x)/5 + 6^(@)) and ((2x)/3 + 30^(@)), then the triangle is :
limx⟶x0+f(x)limx⟶x0−f(x).If we approach the point, either from the left or the right and the function f (x) tends to a certain value L, then the limit exists and has a value L. Answer and Explanati...
If the angles, in degrees, of a triangle are x, 3x +20 and 6x, the triangle must be View Solution If the three angles of a triangle are:(x+15∘),(6x5+6∘) and (2x3+30∘) then the triangle is: View Solution If the three angles of a triangle are : (x+15∘),(6x...
If \int_{1}^{5} f(x)dx = 8 and \int_{3}^{5} f(x)dx = 3.2, find \int_{1}^{3} f(x)dx. If {f}''(x)=3x^{2}-5\sin x+2e^{x}, {f}'(0)=10 and f(0)=0, then what is f(x) Given \displaystyle 2-xy^3-3x^...
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read(11,"(6X,4I5,I3)")side(i) enddo close(11) ! open(12,file='../input/model.e') read(12,*)nume allocate(element(nume)) do i=1,nume read(12,"(5X,3(3I5,1X),2(1X,E21.17),3X,I3)")element(i) enddo close(12) ! ! do i=1,nums if(side(i...