A table for two equations is given. Identify the solution to both equations.
A. (1, 1)
B. (2, 2)
C. (1, 2)
D. (2, 1)
Answer: C
Mathematics
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Evaluate the spherical coordinate integral.
A. ?
B.
C.
D. ?
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (, -2); r =
B. (h, k) = (, -2); r =
C. (h, k) = (- , 2); r=
D. (h, k) = (- , 2); r =
Mathematics
Solve the problem.The half-life of a certain radioactive substance is 23 years. Suppose that at time there are 26 g of the substance. Then after t years, the number of grams of the substance remaining will be N(t) = 26(1/2)t/46. How many grams of the substance will remain after 92 years?
A. 1.63 g B. 6.5 g C. 0.81 g D. 3.25 g
Mathematics
Add.119 + (-1944)
A. 2063 B. -1825 C. 1825 D. -2063
Mathematics