Young15Rey Young15Rey

03-11-2016
Mathematics

contestada

The lenght of the base of an isosceles triangle is x. The lenght of a leg is 2x-5. The perimeter of the triangle is 20. Find x.

Respuesta :

cheetahdoglover1 cheetahdoglover1

09-11-2016

20 = × + 2 (2x-5)
20 = x + 4x - 10
20 = 5x - 10 add 10 to both sides
30 = 5x divide both sides by 5
6 = x
1 side is 6 the other 2 sides are 7

Answer Link

Otras preguntas

A number is divided by 32 is 96. What is the number?

when gravity causes a huge amounts of rock or soil to be carried down a slope this form of erosion is referred to as a

find an equation of the tangent line to the circle x^2 +y^2=24 at the point (-2 square root 5, 2).

my teddy bear gave me a hug is an example of 1.metaphor 2.personification 3.simile 4.alliteration

A number is divided by 32 is 96. What is the number?

Sound: The more _______ a sound has, the _________ its volume is.

Simple Machine Lever: A ________ that pivots on top of a fixed point called a _______.

Mario drew a model to represent one third of the space in his bookcase. how could mario draw a model to represent all the space in his bookcase.

THE EXPRESSION COT THETA/CSC THETA IS EQUAL TO?

What is 0.8% written as a decimal