Solve the equation. Express radicals in simplest form.9x2 - 81 = 0

A. 9, - 9
B. 3, - 3
C. , 9
D. 0, 3


Answer: B

Mathematics

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Use the Hamilton method to make the assignment.In a recent census, Georgia's population in thousands was 3,503, Florida's was 4,220, and South Carolina's was 4,300. Allocate 25 members of the U.S. House of Representatives to these three states.

A. Georgia: 6; Florida: 8; South Carolina: 11 B. Georgia: 7; Florida: 9; South Carolina: 9 C. Georgia: 7; Florida: 10; South Carolina: 8 D. Georgia: 9; Florida: 8; South Carolina: 8

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If r(t) =, find (t).

Mathematics

Evaluate using a calculator. Express answers to the nearest ten-thousnadth.ln 0.000523

A. 7.5559 B. 3.2815 C. -7.5559 D. -3.2815

Mathematics

Use a calculator to give the value to the nearest degree.? = cos-1(0.8910)

A. 63° B. 27° C. 25° D. 29°

Mathematics