Solve the problem.The perimeter of a triangle is 60 cm. The triangle is isosceles now, but if its base were lengthened by 5 cm and each leg were shortened by 7 cm, it would be equilateral. Find the length of the base of the original triangle.
A. 11 cm
B. 12 cm
C. 17 cm
D. 24 cm
Answer: B
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the line y = 
and on the right by the curves y = tan 2 x and y = cot 2 x. (Round to four decimal places.)
A. 0.3094
B. 0.4126
C.
| 0.5858 |
D. 4.3094
Mathematics
Solve the problem.Find f(
) if f(x) = 4x2 + 6x - 3.
A. 
B. - 
C. 
D. - 
Mathematics
Graph the hyperbola.16x2 - 9y2 = 144
A. 
B. 
C. 
D. 
Mathematics
Write an equivalent expression with negative exponents.
A. -7-4
B. -28-1
C. 7-4
D. - 
Mathematics