Answer:
P = 8
Step-by-step explanation:
Given that P varies inversely with x then the equation relating them is
P = ← k is the constant of variation
To find k use the condition P = 7 when x = 8 , then
7 = ( multiply both sides by 8 )
56 = k
P = ← equation of variation
When x = 7 , then
P = = 8
Answer:
Step-by-step explanation:
If you have a variable like 4x the coefficient would be the 4 because it is being multiplied by the x or the variable. it is usually a number, but it could also be an expression.
I hope this helps
Answer:
12(3+5)
Step-by-step explanation:
You factor out 12 because it is the GCF, then you divide 36 and 60 by 12.
Answer: a) Q= 5units
b) R= $75
Step-by-step explanation:
The maximum revenue is at dR/dq = 0
Revenue = price x quantity of demand = p × q
Substituting p = 30- 3q
R = (30-3q) × q
R= 30q- 3q2 (q2 = q raised to the power of 2)
dR/dq = 30- 6q = 0
6q = 30
q= 30/6= 5
q= 5 units
R = pq= 30q- 3q2
R= 30(5) - 3( 5×5)
R= 150- 75
R= $75
Goodluck...