w varies directly as the square of x and w=12 when x =4. Find w when x =6.
a.
[tex] \frac{1}{27} [/tex]
b.27
c.
[tex] \frac{9}{2} [/tex]
d.9
a.
[tex] \frac{1}{27} [/tex]
b.27
c.
[tex] \frac{9}{2} [/tex]
d.9
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Answer:
yan po sagot dyan kagandahan ni ningning
B. po yan
w varies directly as the square of x and w = 12 when x = 4. Find w when x = 6.
B. 27
SOLUTION:
w = kx²
12 = k(4²)
12 = 16k
12/16 = 16k/16
12/16 = k
k = 3/4
w = kx²
w = (3/4)(6²)
w = (3/4)(36)
w = 27