bencastrosobero2018 bencastrosobero2018
  • 25-10-2018
  • Mathematics
contestada

The flat screen television has the length of 2x and the width of 3x+2. What is x if the perimeter is 74 inches?

Relax

Respuesta :

3010608 3010608
  • 25-10-2018

Answer:


Step-by-step explanation:

length : 2x


width : 3x+2


Perimeter = 2(l+w)


substitute in knowns


74 = 2(2x+3x+2)


combine like terms


74 = 2(5x+2)


distribute


74 = 10x+4


subtract 4 from each  side


70 = 10x


divide by 10


x=7


Answer x=10




Answer Link

Otras preguntas

One group of people purchased 10 hot dogs and 5 soft drinks for $35. Another group purchased 7 hot dogs and 4 soft drinks for $25.25. What is the cost of a sin
Explain what the variable represent in an addition or subtraction expression.
What is a deep valley with steep steps
There are 100 pennies in a dollar. What fraction of a dollar is 61 pennies? Write it as a fraction, as a decimal,and in word form
What is 1 - 27/44 = in its simplest form?
Compute without using a calculator. sin (9π/4)tan(7π/3)
A 50-kg child on a skateboard experiences a 75-N force. What is the expected acceleration of the child?
how do we know that the people of Mohenjo-Daro created a highly organized civilization?
4(x-3)+7-10x=5 what is the value of x
What were the lasting legacies of the Crusades?