Liahbean6398 Liahbean6398
  • 16-03-2021
  • Mathematics
contestada

3. A penny is made by combining 0.1 g of a copper alloy that costs $5.50 per kilogram (1000 grams) with

a zinc alloy that costs $1.50 per kilogram. How many grams of the zinc alloy should be used to make

pennies that cost $2 per kilogram?

Respuesta :

satashinakumoto satashinakumoto
  • 16-03-2021
.0001*5.5 + 1.5*x = 2
x=1.33 kg
Answer Link

Otras preguntas

If light moves from left to right along the x-axis, then the electric field line vibrates along what?? :(
what is the sum of 1/4  and 1/7
A cyclist accelerates from 0 m/s to 8 m/s in 3 seconds. What is his acceleration?
What word describes all of the processes that happen in a living thing?
The periodic table shows that a carbon atom has six protons. This means that a carbon atom also has...
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -9x2 + 4x + 9.
How do you find the x intercept and coordinates of the vertexfor the parabola y=x^2-14x+49????
Cite examples of organisms that reproduce sexually and those that reproduce asexually
can someone help me with this problem
Materials that are poor conductors of thermal energy are called..... Materials that are good conductors of thermal energy are called ...