Find the magnitude or direction angle of the given vector as indicated.i + j; Find the direction angle ?.
A. 60°
B. 45°
C. 30°
D. 135°
Answer: B
Mathematics
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Solve the equation.|x + 6| = 9
A. {15, 3} B. no solution C. {-15, 3} D. {-3}
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Solve the problem.Find the image of figure ABCD for the dilation with center P and scale factor 1/3.
A.
B.
C.
D.
Mathematics
Provide an appropriate response.A yeast culture is growing at a rate of A'(t) = 0.3e0.2t2, where t is the time in hours and A(t) is the amount in grams. Use n = 8 and the trapezoidal rule to approximate the amount the culture grew over the first four hours.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor completely. If the polynomial is prime, so state.-24x3 + 38x2 - 8x
A. -2(3x2 - 4)(4x - 1) B. x(3x - 4)(-8x + 2) C. x(-6x + 8)(4x - 1) D. -2x(3x - 4)(4x - 1)
Mathematics