derlerry derlerry
  • 13-07-2015
  • Mathematics
contestada

If y varies directly as x, and y=25 as x=5, find y when x=7.

Respuesta :

dln
dln dln
  • 13-07-2015
[tex]Direct\ variation:y=kx \\ \\ y=kx \\ 25=5k \\ \frac{25}{5}=k \\ 5=k \\ \\ y=5x \\ y=5(7) \\ y=35 [/tex]
Answer Link

Otras preguntas

The lowest energy state of an atom is its A. Highest-occupied energy level. B. Principle quantum number. C. Electron configuration. D. Ground state.
Can anybody identify solfege? (Sol la to do te mi fa sol la ti do)
Researchers have noted a decline in cognitive functioning as people age (Bartus, 1990). However, the results from other research suggest that the antioxidants i
The executive branch is responsible for ??
Brief description of the first battery. (1800)
When consumers swipe a card, either debit or credit, to make a transaction with a merchant, the merchant pays an interchange fee to the card-issuing bank. Gener
10. A flashlight runs on a battery. If the light is left on the battery runs out and the flashlight stops working. Which claim best describes what has happened
Michael made 12 out of 18 free throws at basketball practice. What is the ratio of baskets made to the total numbers of baskets?
pleasssse hellllp!!!!
What is a small piece of music called? A time signature B Rhythm C Measure D Notes