Calculate the area of the surface S.S is the cap cut from the paraboloid z = 
- 7x2 - 7y2 by the cone z = 
.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the complex number in rectangular form.6(cos 330° + i sin 330°)
A. 3
- 3i
B. 3
+ 3i
C. -3
- 3i
D. -3
+ 3i
Mathematics
A = 39ø, a = 10, and c = 8. Using the Law of Sines, what is angle B?
a. No possible solution b. 39.61 c. 79.06 d. 51.75 e. 110.7
Mathematics
Solve the problem. Give the answer as a simplified radical expression.Find the perimeter of a lot with sides measuring 2
, 5
, 3
, and 4
yards.
A. 51
yards
B. 31 + 20
yards
C. 31
+ 20
yards
D. 62 + 20
yards
Mathematics
Let f be the function defined by 
.
?
Use the differential of f to find the approximate change in y if x changes from 4 to 4.1.
?
A. 0.06963 B. 0.13926 C. 2.29783 D. 2.78524 E. 0.00870
Mathematics