Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(-6, 8)}
B. {(6, 8)}
C. {(6, -8)}
D. {(-6, -8)}
Answer: C
Mathematics
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Describe the level surfaces for the given function.f(x, y, z) = 7x2 + 3y2 + 5z2 - 6
A. Ellipsoids B. Hyperboloids of two sheets C. Hyperbolic Paraboloids D. Hyperboloids of one sheet
Mathematics
If possible, find the matrix product of AB.A = ; B =
A. AB =
B. AB =
C. AB =
D. AB =
Mathematics
Select the more reasonable temperature for the item.An ice maker22°C22°F
A. 22°C B. 22°F
Mathematics
A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?. Find cos ?.
A.
B.
C. -
D. -
Mathematics