(x+3)^3/2=8?

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2007-05-30 12:00:06 · 3 answers · asked by Jenitha H 1 in Education & Reference ➔ Homework Help

(x + 3)^(3/2) = 8
(x + 3)^3 = 64
(x + 3) = 4
x = 1

2007-05-30 12:19:47 · answer #1 · answered by atomicjohnson 3 · 0⤊ 0⤋

x = 1 because (1+3)^3/2 = (4)^3/2 = 2^3 = 8

2007-05-30 12:15:10 · answer #2 · answered by Mary A 1 · 0⤊ 0⤋

(x+3)^3/2=8

3/2 ln (x + 3) = ln 8

3/2 ln (x + 3) = 2.079

ln (x + 3) = 1.386

e^(ln (x + 3)) = e^1.386

x + 3 = 4

x = 1
.

2007-05-30 12:15:31 · answer #3 · answered by Robert L 7 · 0⤊ 0⤋