Your piggy bank starts off with 3 dollars, and each day you put 2 dollars in it. After a certain number of days, there are 19 do
2 answers:
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Answer:
x = 10
Step-by-step explanation:
Use CPCTC (Corresponding parts of congruent triangles are congruent).
Set the ratios:
First, simplify. Combine like terms:
Next, cross multiply.
Isolate the variable, x. Divide 6.5 from both sides of the equation:
Check:
Plug in 10 for x (Your answer). Cross multiply, then simplify:
(True).
~
If
then we should have
Differentiating with respect to gives
So is indeed conservative, and