, 28.10.2019 15:29 nelspas422

# The altitude of a triangle is (x²+x-4)cm and its area is (x³+3x²-2x-8)cm².how long is its base

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Math, 28.10.2019 15:29
Square efgh stretches vertically by a factor of 2.5 to create rectangle e′f′g′h′. the square stretches with respect to the x-axis. if point h is located at (-2, 0), what are the coordinates of h′ ?
Math, 28.10.2019 16:29
Lesson: rational equations and rational inequalities; general mathematics,grade 111.$$\frac{4x + 5}{x - 4} = \frac{5x}{x - 4}$$2.$$\frac{x + 1}{x} - \frac{3x + 5}{ {x }^{2} + 5x } = \frac{x + 2}{x + 5}$$3.$$\frac{x}{3x + 2} + \frac{x - 3}{2x - 4} = 0$$4.$$\frac{2x - 5}{x - 2} + \frac{ {x}^{2} + 1 }{ {x}^{2} + x - 6 } = \frac{3x + 8}{x + 3}$$​
Math, 28.10.2019 19:29
Nine years ago, michael was 5 times as old as tom. now he is only three times as old as tom. find their present ages.​