Solve the problem.As the temperature of a light bulb's filament changes from T1 to T2, the energy that the filament radiates changes by the quantity 
Multiply to find this change.
A. a
+ a 
B. a 
C. a
- a 
D. a
Answer: C
Mathematics
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Find the equation of the line tangent or normal (as indicated) to the given curve with the given slope.y = 
, x > -1, tangent line with slope 9
A. y = 
B. y = -9x
C. y = - 
D. y = 9x
Mathematics
For the points P and Q, find the coordinates of the midpoint of the segment PQ.P(5
, 
), Q(-
, 4
)
A. 
B. 
C. 
D. 
Mathematics
Solve.The mass of an electron is approximately 9.11 × 10-28 grams. Find the mass of 539,000,000 electrons.
A. 4.91029 × 10-17 grams B. 4.91029 × 10-20 grams C. 4.91029 × 10-18 grams D. 4.91029 × 10-19 grams
Mathematics
Solve the equation for the specified variable.P = 
for t
A. t = 
B. t = 
C. t = P - rA
D. t = 
Mathematics