yo8denNaiiFingpopbo yo8denNaiiFingpopbo
  • 24-12-2016
  • Mathematics
contestada

Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =
A) 20
B) 28.5
C) 52.5
D) 65
WILL UP PROVE

Respuesta :

texaschic101
texaschic101 texaschic101
  • 24-12-2016
25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====
Answer Link

Otras preguntas

while shopping online, a customer ordered p candles and q cloth napkins. the total cost in dollars before tax and shipping is applied is found using the express
A 5.2 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm if the marble is to just reach a target 13 m above the marble
each member of the electron transport chain is lower in free __________ than the preceding member of the chain, but higher in _______________. The molecule at z
How has persuasion changed in the digital age? Check all that apply. (A) The volume and reach of persuasive messages have exploded (B) Persuasion is more comple
An office manager brought 16 boxes of pens, each containing m pens. Workers took 10 pens from the supply room.
Add. 2 3/4+5/6 Enter your answer in the box as a mixed number in simplest form.
2x - 5y + z = 53x + 2y - 2 = 174x - 3y + 2z = 17?​
5. Do you agree with Justice Brennan's decision? Why or why not? Explain your response, using evidence from the text for support.
Heather is a cashier she can ring up 12 customers in 9 miniutes at this rate how many miniutes does it take her to ring up 4 customers
Which question is the same as -4 - (-2)