BillyBob0531
BillyBob0531 BillyBob0531
  • 01-12-2021
  • Mathematics
contestada

Use cross multiplication to figure this out. (What does xy = )
.78x/7 = 19/4y

Respuesta :

jieren3185 jieren3185
  • 01-12-2021

Answer:

xy = 42.6282051282...

Step-by-step explanation:

0.78x/7 = 19/4y

0.78x * 4y = 3.12xy

19 * 7 = 133

3.12xy = 133

3.12xy/3.12 = 133/3.12

xy = 42.6282051282...

Answer Link

Otras preguntas

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
find an equivalent expression without parentheses -(50x-15y+15)=
Scarcity is the condition of not having enough goods and services to satisfy everyone's?
how is mass transit in cities a possible solution tk urban air pollution?
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
what is the answer for (20,8),(9,16) ?
(10y^3+20y^2+55y)/5y
Can someone use the word delta in a sentence
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?