Answer: A
Step-by-step explanation:
Subtract 2 from both sides of the equation
,
Simplify
, Subtract the numbers
, 9x from both sides of the equation, Combine like terms, Divide both sides of the equation by the same term, then you get your solution! I hope this helps.
Inverse variation is of the form y=k/x, or if you prefer yx=k. "Inverse" variation because as x increases, y decreases...Anyway the equation can be expressed as:
y=k/x, we are given one point (10,8) so we can find the value of k, the constant of variation using those coordinates...
8=k/10 multiply both sides by 10
80=k so the equation is:
y=80/x
Answer:
427,350
Step-by-step explanation:
so you do 7.25×13=94.25
and then you do 94.25%×220,000=207,350
So you can now do 207,250+220,000 (which) =427,350
Answer:
-1, 2 and 4
Step-by-step explanation:

so.. .whatever those amounts are, of "x" and "y", for the mixture,
they must add up to 100 grams, or x + y = 100
and the titanium percentage of that sum, must yield a 13 grams of titanium on those 100 grams
thus

do the substitution, and solve for "x",
what's "y" amount? well, y = 100 - x