Answer:
Step-by-step explanation:
the tax will cost
65.49*6.5=4.26
the total price of the book is
65.49+4.26=69.75
Answer:
Option B
Step-by-step explanation:
Before a researcher specifies the relationship among variables he must have an inventory of propositions/constructs which are mostly stated in a declarative form. These are then tested by examining the relationships between measurable variables of this constructs/propositions.
Answer:
f(7.5)=6.15
Step-by-step explanation:
x=7.5
y= 6.15
Without words you might not understand what is being asked to do.
Well, it has notation in it so when it is turned into function notation you will know how to reverse it and put it back the same way.
Answer:
The amount remaining after 24 hours is 17.5 milligrams.
Step-by-step explanation:
The rate of decay is proportional to the amount of the substance present at a time
The equation is
Rate=k*amount remaining at(time)
Where k = constant of proportionality.
So we don't know the value of k, let's find it.
7= k(70)(6)
K= 1/60
Amount remaining after 24 hours
7= 1/60 * x* (24)
(60*7)/24= x
17.5 = x
The amount remaining after 24 hours is 17.5 milligrams.
