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VLD [36.1K]
3 years ago
14

A fence has a total of 800 planks. Violeta paints p planks

Mathematics
1 answer:
ratelena [41]3 years ago
3 0
Answer is 800/p

800 is the number of planks divided by how many she paints a day to calculate the number of days.
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Which of the following is a valid exclusion for the algebraic fraction 8ab^2x/4a^2b-8ab^2
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Answer:

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Step-by-step explanation:

The given expression is

\frac{8ab^{2}x}{4a^{2}b-8ab^{2}}

=\frac{8ab^{2}x}{4ab(a-2b)}

Simplifying it, we have

\frac{8ab^{2}x}{4a^{2}b-8ab^{2}} = \frac{bx}{a-2b}

For the above fraction to exist, the denominator must not be equal to zero.

i.e, a-2b ≠ 0

=> a≠2b

∴ The algebraic fraction exists when a≠2b.


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