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Michael F.
Tutor for 5 years
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Spanish
TutorMe
Question:

Fill in the following sentence with the correct form of the verb. Dudo que (tu) ____ (tener) que hacer la tarea para la clase de hoy.

Michael F.
Answer:

Dudo que = a subjunctive trigger of doubt tener in the present subjunctive "tu" form is "tengas" answer: tengas

Trigonometry
TutorMe
Question:

What is the sec(pi/3)

Michael F.
Answer:

sec(x) = 1/cos(x) cos(pi/3) = 1/2 1/(1/2) = 2 sec(pi/3) = 2

Calculus
TutorMe
Question:

Use the washer method to find the volume of a solid rotated about the y-axis that is bounded by y=sqrt(x) y=0 and x=4

Michael F.
Answer:

use the washer method to identify the big radius and small radius of the solid formed. Draw a picture to visualize. R(y)=4 r(y)=y^2 V= pi(integral from 0,2) of (4^2-(y^2)^2)dy V=32pi -32pi/5

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