Verify that each equation is an identity. -   = 4 cot t csc t

What will be an ideal response?


 -   =   =  =   =   ?  = 4 cot t csc t

Mathematics

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Factor the perfect square trinomial.9x2 + 30x + 25

A. (3x + 5)2 B. (3x - 5)2 C. (3x - 6)2 D. (3x + 5)(3x - 5)

Mathematics

Solve the inequality.x2 + 7x ? -3x - 21

A. -3 ? x ? -7
B. x ? -3 or x ? -7
C. 3 ? x ? 7
D. x ? -  or x ? 

Mathematics

Find the value of the missing coordinate that makes the ordered pair a solution to the equation.y = -x + 1(-1, y)

A. (-1, 2) B. (-1, -3) C. (-1, -2) D. (-1, 3)

Mathematics

Solve the problem.Police use the formula s =  to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain dry road is 0.85 and a car was traveling on it at a rate of  how far will the car skid? (Round to the nearest foot.)

A. 39 ft B. 120 ft C. 918 ft D. 141 ft

Mathematics