Solve the problem.A sealed-beam headlight is in the shape of a paraboloid of revolution. The bulb, which is placed at the focus, is 3 centimeters from the vertex. If the depth is to be 6 centimeters, what is the diameter of the headlight at its opening?
Fill in the blank(s) with the appropriate word(s).
about 17 cm
Mathematics
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Find the value of the expression using the given values.
+ 
x = -9, y = -4
A. 97 B. -5 C. 5 D. 13
Mathematics
Find the value for the function.Find f(4) when f(x) = x2 - 4x + 3.
A. 35 B. 3 C. -3 D. 29
Mathematics
Write the number as indicated.In 2003, a large corporation earned approximately $13,500,000,000. Write the number in words.
A. Thirteen million, five thousand dollars B. Thirteen billion, five hundred thousand dollars C. Thirteen billion, five million dollars D. Thirteen billion, five hundred million dollars
Mathematics
Solve for x, rounding your answer to the nearest thousandth. 2.813 + 1.867(4.193x - 2.79) = 5.458x - 3
A. 2.276 B. -0.255 C. 2.119 D. -0.045 E. -0.378
Mathematics