Provide an appropriate response.How many radians does the central angle of a sector measure if its area is 5.8 in.2 and its radius is 3 in.?
A. 2.58 rad
B. 1.29 rad
C. 0.52 rad
D. 3.87 rad
Answer: B
Mathematics
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Use scientific notation to solve the problem.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 sec B. 7.6 × 102 min C. 76 sec D. 7.6 × 103 sec
Mathematics
Multiply.(3x - 10)(3x + 10)
A. 9x2 - 60x - 100 B. 9x2 - 100 C. 3x2 + 60x - 100 D. 9x2 + 60x - 100
Mathematics
Establish the identity.(1 - cos x)(1 + cos x) = sin2x
What will be an ideal response?
Mathematics
Solve the equation. Give exact solutions.
e2x + 2ex = 
A. {ln(
- 2)}
B. {ln(2 - 
)}
C. {ln(
- 1)}
D. {ln 
}
Mathematics