Solve the problem.Use the sequence of equations to find the unknown sum. 1 = 0 + 1 1 + 3 + 1 = 1 + 4 1 + 3 + 5 + 3 + 1 = 4 + 9 . . . . . . . . . . . . . . . 1 + 3 + 5 + . . . + 15 + . . . + 5 + 3 + 1 = ?
A. 49 + 64 = 113
B. 7 + 8 = 15
C. 36 + 49 = 85
D. (8 + 7)2 = 225
Answer: A
Mathematics
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Match the equation with the surface it defines.
+ 
+ 
= 1 
A. Figure 3 B. Figure 2 C. Figure 1 D. Figure 4
Mathematics
Find the area or volume.Find the area of the region in the first quadrant between the curve y = e-6x and the x-axis.
A. 1
B. 
e
C. 
D. 6
Mathematics
Find the LCM of the set of numbers.24, 18, 28
A. 672 B. 252 C. 504 D. 168
Mathematics
Graph the quadratic equation on [-10, 10] by [-10, 10]. Does this window give a complete graph?f(x) = 0.1x2 - 2x - 6
A. 
No
B. 
Yes
C. 
No
D. 
No
Mathematics