2 years ago

33 * 32 * 31 * 30 * 3−1 * 3−2

Mathematics

1 answer:

4vir4ik [10]2 years ago

3 0

Answer:

8838715

Step-by-step explanation:

hope this helps:)

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Please show me how to solve for Xsquared - 21.75X = -15.75. I have the solution but do not know how to solve it.

Andreas93 [3]

$x^2-21.75x=-15.75 \\
x^2-21.75x+15.75=0$

Use the quadratic formula:
$x^2-21.75x+15.75=0 \\ \\
a=1 \\ b=-21.75 \\ c=15.75 \\ b^2-4ac=(-21.75)^2-4 \times 1 \times 15.75=473.0625-63=410.0625 \\ \\
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\boxed{x=\frac{3}{4} \hbox{ or } x=21}$

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