Find the sum of the arithmetic series using a formula.1 + 3 + 5 + ... + 199
A. 10,000
B. 9801
C. 10,100
D. 10,201
Answer: A
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Solve the problem.A textile company has specific dyeing and drying times for its different cloths. A roll of Cloth A requires 55 minutes of dyeing time and 45 minutes of drying time. A roll of Cloth B requires 70 minutes of dyeing time and 25 minutes of drying time. The production division allocates 2220 minutes of dyeing time and 1300 minutes of drying time for the week. How many rolls of each cloth can be dyed and dried?
A. 2 rolls of Cloth A, 47 rolls of Cloth B B. 20 rolls of Cloth A, 16 rolls of Cloth B C. 13 rolls of Cloth A, 38 rolls of Cloth B D. 9 rolls of Cloth A, 30 rolls of Cloth B
Complete the ordered pairs for the equation.4x + y = -27 (-9, ) (0, ) (1, )
A. (-9, 9) (0, -27) (1, -31) B. (-9, 9) (0, 27) (1, -31) C. (-9, -63) (0, -27) (1, -31) D. (-9, -45) (0, -27) (1, -31)
Express the sum using summation notation.
+ 
+ 
+ ... + 
A. 
B. 
C. 
D. 
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.4x2 - 3x - 7 = 0
A. 
B. 
C. 
D. 