So because it was $5 off, and she paid 80% of the original price, that would mean it would have been 20% off. That means 20% = $5. Multiply that by 5 to get to 100% and you find that the shirt is $25 originally. Then you can either multiply that 20% = $5 by 4 to get 80%, or just subtract $5 from the full price. That means Selina paid $20 for the shirt.
Answer:
D. There are no restrictions
Step-by-step explanation:
f(g(x)) = (x-2) + 5
= x - 2 + 5
= x+3
And since x + 3 is just a line, there are no domain restrictions.
Answer:
This statement is False though...
Answer:
12.6
Step-by-step explanation:
Given
with reference angle 57°
perpendicular (p) = y
hypotenuse (h) = 15
Now
sin 57° = p / h
0.84 = y / 15
y = 0.84 * 15
y = 12.6
Hope it will help :)
Answer:
W'(x) = 
Here, the negative sign depicts the loss in weight
Step-by-step explanation:
Data provided in the question :
Function:
W(x) = 
Here,
R = 3,960 miles is the radius of the earth
w = Weight of the pilot = 120 lb
x is the distance from the center of the earth
Therefore,
Rate of change of weight
W'(x) = 
or
W'(x) = 
on substituting the respective values, we get
W'(x) = 
or
W'(x) =
Here, the negative sign depicts the loss in weight
