damonteblake12ox4h8g damonteblake12ox4h8g
  • 02-04-2018
  • Mathematics
contestada

When Derek planted a tree it was 36 inches tall. The tree grew 1 1/4 inches per year. The tree is now 44 3/4 inches tall. How many years ago did Derek plant the tree?

Respuesta :

Аноним Аноним
  • 02-04-2018
Original Height = 36 inches.

Change in height:

[tex]44\dfrac{3}{4} - 36 = 8\dfrac{3}{4} [/tex]

Number of years : 

[tex]8\dfrac{3}{4} \div 1\dfrac{1}{4} [/tex]

[tex]=\dfrac{35}{4} \div \dfrac{5}{4} [/tex]

[tex]=\dfrac{35}{4} \times \dfrac{4}{5} [/tex]

[tex]=7[/tex]

---------------------------------------------------------------
Answer; Derek has planted the tree for 7 years.
-----------------------------------------------------------------
Answer Link

Otras preguntas

Give an example of motivating someone through the use of guilt and explain how it might work
Which unit of a measurement is better for determining the volume for a drop of water. A milliliter, or a liter?
What is the most important thing on the island to ralph?
Which of these helped cause the panic of 1819 apex?
By using context clues you can tell that the word exquisite means
please help me, thanks!
People can be bad and good nobody perfect instead of the lord. The lord will bring you a boyfriend that will last years good years to. If it doesnt last that lo
Explain THREE instances of racism, either direct or indirect, towards the “Red Tails”.
Which device uses a rotating magnetic field to produce an electric current? A. A transformer B. An electromagnet C. A motor D. A generator
2. Add a _______ to manually force text from one page to the next page. A. footer B. page break C. blank page D. header