Expand the expression.


Mathematics

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Add the given vectors.

A. R = 4400, ? = 34° B. R = 2200, ? = 55° C. R = 4400, ? = 214° D. R = 1800, ? = 235°

Mathematics

Find the potential function f for the field F.F = 10x9y7z4i + 7x10y6z4j + 4x10y7z3k

A. f(x, y, z) = x30y21z12 + C
B. f(x, y, z) = 
C. f(x, y, z) = x10y7z4 + 7x10y6z4 + 4x10y7z3 + C
D. f(x, y, z) = x10y7z4 + C

Mathematics

Write a formula for a linear function f whose graph satisfies the conditions.Slope: ; y-intercept: -2

A. f(x) = x - 2
B. f(x) = x + 2
C. f(x) = - x - 2
D. f(x) = - x + 2

Mathematics

An experiment is conducted for which the sample space is  Decide if the given probability assignment is possible for this experiment.

A. Yes B. No

Mathematics