Solve the differential equation.xy '+ 4y = 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Answer: A
Mathematics
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Find y '.y = (x2 - 2x + 2)(3x3 - x2 + 5)
A. 15x4 - 24x3 + 24x2 + 6x - 10 B. 3x4 - 24x3 + 24x2 + 6x - 10 C. 3x4 - 28x3 + 24x2 + 6x - 10 D. 15x4 - 28x3 + 24x2 + 6x - 10
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Write the sum without sigma notation and evaluate it.
A. 
+ 
+ 
= 24
B. 
+ 
+ 
= 14
C. 
? 
? 
= 84
D. 
+ 
= 10
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Perform the indicated operation and round as indicated.207.97 ÷ 0.048 thousandths
A. 4333.208 B. 433.321 C. 4332.708 D. 433.271
Mathematics
Solve.The following test scores were recorded for a student: 79, 74, 72, 68, 74, 60, 70. Find the median test score.
A. 71 B. 74 C. 72 D. 68
Mathematics