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1.75x+2.5 (165-x)=337.5
Solve for x
X=100 apples
165-100=65 peaches
Answer:
The rate at which the radius is increasing
dr/dt = 1.91 cm/s
Step-by-step explanation:
The circumference C of a circle can be written as;
C = 2πr .....1
Where;
r = radius
The rate at which the circumference of the circle
is increasing can be written as dC/dt;
Differentiating equation 1, we have;
dC/dt = 2π dr/dt
Making dr/dt the subject of formula;
dr/dt = (dC/dt)/2π
Given;
dC/dt = 12cm/s
Substituting the value of dC/dt;
dr/dt = 12/2π
dr/dt = 1.909859317102 = 1.91 cm/s
The rate at which the radius is increasing dr/dt is 1.91 cm/s
Hello from MrBillDoesMath!
Answer:
$3.25
Discussion:
Money spent = paperback's purchased + hardback's covered =
3 (0.25) + 5 (0.50) =
0.75 + 2.50 = $3.25
Regards,
MrB
P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!
Answer:
Step-by-step explanation:
Multiply square roots.
Simplify square root.
