Answer:
The answer is b = -9/2
Step-by-step explanation:
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It is an acute triangle bc 8 squared + 14 squared is 260 and that is more than 15 squared (225)
Answer:
76800
Step-by-step explanation:
Current subscriber=4800
After 3 years=2*4800=9600
After 6 years=2*9600=19200
After 9 years=2*19200=38400
After 12 years=2*38400=76800
so this is very simple.
if f(x)=12x +50, and we want to know how much the cost goes up per square yard, we look at the relationship.
if the coefficient of x is 12, the cost will go up $12 per square yard.
it is NOT 62 because the 50 is a one time thing that is only added one time. think about it like having the price be $50 at 0 yards. it's almost like a flat fee. for 1 yard its 62, 2 its 74, etc. it goes up 12 each time. additionally, it's not x because x is the amount of yards, not the cost of a yard. it is not 50 because 50 is added, and is not in relationship to x.
so, the answer is b.
hope I helped.
