Solve. If necessary, round percents to the nearest tenth and all other answers to the nearest whole.60% of the doctors in a hospital are female. If there are 40 doctors altogether, how many doctors are female?
A. 150 doctors
B. 67 doctors
C. 24 doctors
D. 16 doctors
Answer: C
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.
- 2
+ y = xe-5x - e-5x; 
= 0 and y = 0 when x = 0
A. y = 
ex - 
xex + 
xe-5x - 
e-5x
B. y = 
ex + 
xex + 
xe-5x - 
e-5x
C. y = 
ex - 
xex + 
xe-5x + 
e-5x
D. y = - 
ex - 
xex + 
xe-5x - 
e-5x
Mathematics
Evaluate the expression.(-2)4
A. 16 B. -16
Mathematics
Find the absolute value.
A. 0
B. 
C. - 
D. ± 
Mathematics
Provide the requested response.If the point (5, 5.5) lies on the graph of f, then f( __ ) = ___ .
A. f(5.5) = 5 B. f(0) = 5.5 C. f(5) = 0 D. f(5) = 5.5
Mathematics