JaleahJ JaleahJ
  • 02-09-2020
  • Mathematics
contestada

hat is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8? 4.6 8.4 10 12

Respuesta :

emzogwayo
emzogwayo emzogwayo
  • 03-09-2020

Step-by-step explanation:

4x + 8y = 40

4x + (8×0.8) = 40

4x + 6.4 = 40

4x = 33.6

4x÷4 = 33.6 ÷ 4

x = 8.4

Answer Link
some1farted4u
some1farted4u some1farted4u
  • 19-11-2020

Answer:

8.4

Step-by-step explanation:

:D

Answer Link

Otras preguntas

What does the transformation f(x)↦ 1 /3 f(x) do to the graph of f(x)?
A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s .At the end of this time, what is its velocity?
What are the difficulties in statistics and probability for introduction in an own word of a student in a paragraph only
can someone please help me really
What motivated early American lawmakers to organize the legal system on almost two parallel systems
5/3 + n = 4 1/4 what is n??
The steps below show the solution to the equation 6(x − 3) = 5(x – 2) . Order the reasons for the steps.
we know the gravitational field on Earth is 10 n/kg; on the moon, though, the gravitational field is 1.7 N/kg. (a) What is the weight of a 6 kg bucket on the e
What’s the answer for this
Water molecules are polar molecules. What is meant by the term polar molecule?