Solve the problem.Find the mass of the solid in the first octant between the spheres
and
if the density at any point is inversely proportional to its distance from the origin.
A. k?
B. k?
C. 11k?
D. 66k?
Answer: B
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Solve the equation.t - 9 = 15
A. t = 24 B. t = -24 C. t = -6 D. t =6
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. ? 1.280
B. ? 7.211
C. ? 1.639
D. ? 2.685
Find the angle between the given vectors. Round to the nearest tenth of a degree, if necessary.a = 9i - 5j, b = 2i - 9j
A. 44.7° B. 126.9° C. 114.4° D. 48.4°
Determine if the following is a linear equation in one variable. If not, state why.1.1x - 2.4 = 0.7x + 1.28
A. It is a linear equation in one variable. B. It is not a linear equation in one variable because it has more than one variable. C. It is not a linear equation in one variable because it is not an equation. D. It is not a linear equation in one variable because 1.1x has an exponent other than 1.