denaTendybarbara denaTendybarbara

01-12-2016
Mathematics

contestada

A triangle has one side that measures x, and the other two sides each measure 4 inches less than x. the perimeter is 19 inches.what is the measure of x?

Respuesta :

apologiabiology apologiabiology

01-12-2016

perimiter=sum of all sides
x+x-4+x-4=19
3x-8=19
add 8 both sides
3x=27
divide both sides by 3
x=9 inches

x=9 in

Answer Link

Otras preguntas

The work of a student to solve the equation 2(6y − 3) = 20 + 6y is shown below: Step 1: 2(6y − 3) = 20 + 6y Step 2: 8y − 5 = 20 + 6y Step 3: 2y − 5 = 20 Step 4:

7:6=21: what is the ratio

how does the reproductive system work with the other body systems

1. When scientists look at these examples, what do they know about the atoms? Carbon-12 Carbon-14 The number of neutrons in each atom is not the same The atom

what were the roles of both men and women during the paleolithic age?

on a test, 1 point is given for each correct answer and 1 point is deducted for each incorrect answer. On the test Harold answered 34 items correctly and 6 item

Which of the following sentences has both a compound subject and a compound object? A. John and his wife danced and sang. B. Jane and Liza love books and music

In 1855, Italian governments were controlled by either _________ or the papacy. A. Austria B. Italy C. Germany D. Spain

What's 51 correct and 9 incorrect as a fraction

Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called a. longitudinal waves. b. transverse waves. c.