Add 7 to both sides. 4x=36. 36/4 is 9. So x=9.
Answer:
Step-by-step explanation:
total profit=income -cost
or
P(x)=R(x)-C(x)=-0.5x²+800x-100-(300 x+250)
or P(x)=-0.5x²+800x-100-300x-250
or P(x)=-0.5 x²+500 x-350
so (2)
Answer:
because at 40 its still warm but really cold but in -5 its cold wherever you go even in the warmest blanket
Step-by-step explanation:
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Answer:
5 is your answer
Step-by-step explanation:
Yes, so first plug in 4 for x
2(4)-3
Then multiply 2x4 which is 8
8-3 is 5