qwertylol12345
qwertylol12345 qwertylol12345
  • 26-01-2019
  • Mathematics
contestada

A stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. How long are the two pieces?

Respuesta :

MrBillDoesMath MrBillDoesMath
  • 26-01-2019

Hello from MrBillDoesMath!

Answer:

7/3 and 14/3 inches

Discussion:

Let P1 = "Piece 1" and "P2 = Piece 2", Then P2 = 2 * P1 and

P1 + P2 = 7       => as P2 = 2 P1

P1 + 2P1 = 7      =>

3P1 = 7             => divide both sides by 7

P1 = 7/3


Then P2 = 2 P1 - 2* (7/3) = 14/3

Thank you,

MrB

Answer Link
wolf1728
wolf1728 wolf1728
  • 26-01-2019

Answer:

x + 2x = 7

3x = 7

x = 2.33

2x = 4.66

Step-by-step explanation:


Answer Link

Otras preguntas

Help me out hereeeeeeeeeeeeeeeeeeeee
c - 4 = -20 solve for C=
A video game system and several games are sold for $652. The cost of the games is 3 times as much as the cost of the system. Find the cost of the system and the
write down the formula of calculate weight of anybody​
A spectral line has a wavelength of 7.35 *10-7 m. What is the energy of this radiation?
What is the volume of a cylinder with a diameter of 30 cm and a height of 40 cm? Use 3.14 for pie. Round to the nearest 10th.
lWHAT IS BLACK LIVES MATTERS? WHAT IS ONE OF ITS GOALS? There are TWO questions here and that means you NEED TO WRITE A FEW SENTENCES at least. A short-construc
.) One mile is equal to about 1.6 kilometers. If the distance between two cities is 8 kilometers, then how many how many miles is that equal to?
Explain how one physical property each of acid, base and sait is used by man​
please I need the answer to this