It's 25 dimes which is $2.50 and 20 nickels which add up to $1.00 and that up to $3.50.
Answer:

Step-by-step explanation:
The given equation is :

Where
P is pressure
V is volume
n is no of moles
r is Gas constant
T is temperature
We need to solve the above equation for r.
Dividing both sides of the above equation by (nT). So,

So, the value of r is equal to
.
Answer:
There is no answer for x
Step-by-step explanation:
Step-by-step explanation:
The line segment (or chord) AB (in the figure), which passes through the foci (F1, F2) and terminates on the ellipse, is called the major axis. This axis is the longest segment that can be obtained by joining two points on the ellipse. The two points at which the major axis intersects the curve are called the vertices.