Answer:
5/6 4/15 1/3
Step-by-step explanation:
on a calculator divide the numerator by the denominator.
<span>Equation:
silver + silver = silver
0.45x + 0.60(40-x) = 0.48*40
----------------
45x + 60*40 - 60x = 48*40
--------
-15x = -12*40
x = (4/5)40
x = 32 lbs (amt of 45% slloy needed)
40-x = 8 lbs (amt of 60% alloy needed)</span>
Answer:
A proportional relationship is something like:
y = k*x
Where k is the constant of proportionality
And a linear relationship is something like:
y = a*x + b
Is easy to see that if:
a = k, and b = 0, this would be a proportional relationship.
Then if we want to have a slope equal to 3, but this must not be a proportional relationship, we must only have b different than 0.
This could be something like:
y = 3*x + 1
The graph of this is:
Answer:
The length of each side of the square park is 2,400 ft
Step-by-step explanation:
step 1
Remember that
1 ft=12 in
The length of each side on the map is 1 ft
Convert ft to in
1 ft=1(12)=12 in
step 2
Find the length of each side of the square park
using proportion
Let
x ----> the actual length of each side of the square park