Answer:
Step-by-step explanation:
3x+6=12
-6. -6
3x=6
Divid three by both sides.
X=2
Each penicillin cost 2 dollars
F(x<40)= 0.39+(x*0.24) This formula will quantify what you have written out above.
Answer:
yes they are
Step-by-step explanation:
because the metric system is the same
<span>Let be the length, and be the width.
If the length is 1.6 times the width, then
If the sum of the length and with (in feet) is 130, then
</span><span>Substituting in the equation above, the expression for , we get
--> --> -->
Ten, substituting the value found for in we find
-->
The two equations we set up at the start form a system of linear equations:
</span>
Answer:
None (no solutions)
Step-by-step explanation:
-10q=-10q-7 (add 10q to both sides to get the costant 7 by itself)
-10q+10q=-10q+10q-7
0=-7 ( zero will never equal -7 hence there are no solutions to this equation)
