Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.a + 1 + 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the line with the given properties.Perpendicular to the line -7x - 5y = 9; containing the point (-2, -1)
A. -2x + 5y = 9 B. -7x + 5 = -7 C. 5x - 7y = -3 D. 5x + 7y = -3
Mathematics
Convert the mass as indicated.523 grams to milligrams
A. 523,000 mg B. 0.0523 mg C. 52,300 mg D. 0.523 mg
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 1°
A. -0.54 B. 1.00 C. -1.00 D. 0.54
Mathematics