Solve the problem.A cup of coffee with temperature 103°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 68.4°F. What will its temperature be 15 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 28°F
B. 23°F
C. 25°F
D. 30°F
Answer: D
Mathematics
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Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 9
A. All points outside the cylinder with radius 3 B. All points on the surface of the cylinder with radius 3 C. All points outside the sphere of radius 3 D. All points in space
Mathematics
Solve the inequality and graph the solution set.
x ? 3
A. {x|x < 
}
B. {x|x > 
}
C. {x|x ? 
}
D. {x|x ? 
}
Mathematics
Find the simple interest. Round to the nearest cent.Corrin borrows $5600 at 8% simple interest for 4 years.
A. $1792.00 B. $17,920.00 C. $23,520.00 D. $7392.00
Mathematics
Determine whether or not the number is written in scientific notation.1.92 × 107
A. Yes B. No
Mathematics