Find the length of the polar curve.

What will be an ideal response?


Mathematics

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Solve the problem.Brand X copier has improved its copier so that it produces 10% more copies than its old model. If the old model ran 314 copies per hour, how many copies would the new model run?

A. 329 copies B. 345 copies C. 330 copies D. 165 copies

Mathematics

Solve the equation.5(2z - 4) = 9(z + 5)

A. {25} B. {30} C. {-25} D. {65}

Mathematics

Solve the mixture problem.It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 40 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?

A. 10 liters B. 20 liters C. 13.3 liters D. 16 liters

Mathematics

Find the exact value by using a difference identity.tan 75°

A.  + 2
B. -  + 2
C.  - 2
D. -  - 2

Mathematics