Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.9 + 11 + 13 + 15 + . . . + 25
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the algebraic expression.10 times the product of a number and negative 3
A. 10(x) + (-3); 10x - 3 B. 10[x(3)]; 30x C. 10[x(-3)]; -30x D. 10(x) + 3; -10x + 3
Mathematics
Verify the identity.
= cot 
What will be an ideal response?
Mathematics
Solve the equation.(-4p + 5)2 = 5(-4p + 5) + 36
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Two forces F1 and F2 of 38.8 and 28.6 pounds, forming an angle of 119.5°, act at a point. Find the magnitude of the resultant force. Round the answer to one decimal place, if necessary.
A. 58.4 lb B. 67.4 lb C. 1000 lb D. 35.1 lb
Mathematics