Solve.In order for a chemical reaction to take place, the Fahrenheit temperature F of the reagents must be at least 138.93° F. At what Celsius temperatures C will the reaction occur? 

A. {C? C ? 282.07°}
B. {C? C ? 59.41°}
C. {C? C < 282.07°}
D. {C? C ? 59.41°}


Answer: B

Mathematics

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Write the number in scientific notation.0.0000060111

A. 6.0111 × 10-6 B. 6.0111 × 106 C. 6.0111 × 10-7 D. 6.0111 × 10-5

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For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 + 2; g(x) = 5x2 + 2Find f ? g.

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Evaluate the algebraic expression for the given values of the variables. + c for a = -7, b = 2, c = 15

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Find an equation for the ellipse described. Graph the equation.Vertices at (5, -4) and (5, 8); length of minor axis is 6

A.

 -  = 1
B.

 +  = 1
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Mathematics