Find the perimeter. Use ? ? 3.14. Round the answer to the nearest tenth.
A. 59.1 ft
B. 51.1 ft
C. 38.6 ft
D. 46.6 ft
Answer: C
Mathematics
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Find the mass of the wire that lies along the curve r and has density ?.C1: r(t) = (5 cos t)i + (5 sin t)j, 0 ? t ? 
;C2: r(t) = 5j + tk, 0 ? t ? 1; ? = 7t5
A. 
units
B. 
units
C. 
?5 units
D. 
?5 units
Mathematics
Provide an appropriate response.Find angle C. Round to the nearest 0.1°.
A. 55.4° B. 50.5° C. 42.1° D. 39.5°
Mathematics
Decide whether or not the ordered pair is a solution of the system.(3, -1)y = 5 - 2x 4x = 10 - 2y
A. Yes B. No
Mathematics
Graph the inequality by shading the points that do not satisfy it.y ? -2
A. 
B. 
C. 
D. 
Mathematics