jasonmcp71tfb jasonmcp71tfb
  • 18-07-2018
  • Mathematics
contestada

what is the altitude of the triangle?

what is the altitude of the triangle class=

Respuesta :

ashley3497 ashley3497
  • 18-07-2018
Area = 1/2 Base x Height

Let x= Base, then x+3 = height

35 = 1/2(x)(x+3)

35 = 1/2(x2) + 3/2(x)

70 = x2 + 3x

x2 + 3x - 70 =0

(x+10)(x-7) = 0, x= -10 or 7 (-1 is impossible) so base = 7, height = 10
Answer Link

Otras preguntas

48 divided by blank = 8
For what purpose was the Environmental Protection Agency established? to write laws pertaining to environmental regulation to oversee guidelines for clean water
what's a wind up toy useful energy output
Marks: 6 Find the equation in standard form which passes through (-2, -7) and (1, -1). You must show all work.
To see a general view of a microscope slide, use _____ power. If you need to see a more specific and detailed view, use _____ power. low; high high; low
1. Suppose you had an unknown solution that contained either dissolved NaCL, or NaNO3. You added AgNO3 to the unknown solution and observed that no solid forms.
Factor by completing the square x2-2x-168
Complete the evolution about the names of this famous city: Byzantium Constantinople
what job does a sperm cell do?
How did the development of coined money change trade