Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal. cos x - cos x sinx = cos3 x

Square root of 4x squared times square root of 20x squared

Tell whether the expressions in each pair are equivalent 5· (4-4) and 0

From 75 pencils to 225 pencils

Factor x^3 - 4x^2 - 3x + 18 = 0 Given that 4 is a zero A (x-2) (x-3) (x+3) = 0 B (x-2) (x-3) ^2 = 0 C (x-2) (x - sqrt 3) (x + sqrt 3) = 0 D (x-2) (x-3) ^2 = 0

Alan had 2 mirrors installed in his house. The first mirror was 2 yards and 2 3rds yards wide the second mirror was 2 yards tall and 3 2 halfs wide. Is the area of the first mirror greater than or less than 2 square yards? Explain

What is the definition of a term?

The work accomplished by two people working on the same task for the same amount of time but at different rates is given by the equation w=r1t+r2t. solving this equation for t, which of the following steps would not be algebrailly correct?

Each product is in the form ax2 + bx + c. (x + 3) 2 = x2 + 6x + 9 (x + 4) 2 = x2 + 8x + 16 (x + 5) 2 = x2 + 10x + 25 (x + 6) 2 = x2 + 12x + 36 Which of the following describes the relationship between b and c? A: c is 1.5 times that of b.

Geometry express the area of a square with sides of length 5ab as a monomial

Jon wrote the expression shown. -4x+3+5x-1 Write the expression that is equivalent to Jon's using the fewest number of terms possible.