Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = , w = 

A. 90°
B. 53.1°
C. 143.1°
D. 36.9°


Answer: D

Mathematics

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Plot the two real numbers on the real number line. Then place the appropriate inequality symbol (< or >) between them. -2, -3

A.  

-2 > -3


B.  

-2 < -3


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Solve the formula for the given variable.E = hv  for n

A. n = 
B. n = hv
C. n = 
D. n =  - 

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Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.F(x) = 5x2 + 23x - 10

A. x = , x = 5
B. x =, x = - 5
C. x = - , x = - 5
D. x =- , x = 5

Mathematics

Write the number in scientific notation.0.000345

A. 3.45 × 10-5 B. 3.45 × 10-4 C. 3.45 × 104 D. 3.45 × 10-3

Mathematics