What is 18.25 as a fraction ?

Mathematics

2 answers:

Elis [28]3 years ago

7 0

73/4 is the answer to your question sir your welcome

lutik1710 [3]3 years ago

6 0

As a mixed number (the simplest form) it is 18 and 1/4, usually written more like so:
1
18 -
4
If not mixed numeral form:
73
---
4

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Kai has 130 beads to make a necklace there are 100 blue beads there 20 red beads what fraction of the beads are blue what fracti

maria [59]

Blue beads: 100/130, which reduces to 10/13.
Red beads: 20/130, which reduces to 2/13.

You're just taking the fraction of the certain color of beads compared with the total number of beads, which is 130.

5 0

2 years ago

Find the derivative

zalisa [80]

First use the chain rule; take $y=\dfrac{x+5}{x^2+3}$ . Then

$\dfrac{\mathrm df}{\mathrm dx}=\dfrac{\mathrm df}{\mathrm dy}\cdot\dfrac{\mathrm dy}{\mathrm dx}$

By the power rule,

$f(x)=y^2\implies\dfrac{\mathrm df}{\mathrm dy}=2y=\dfrac{2(x+5)}{x^2+3}$

By the quotient rule,

$y=\dfrac{x+5}{x^2+3}\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{(x^2+3)\frac{\mathrm d(x+5)}{\mathrm dx}-(x+5)\frac{\mathrm d(x^2+3)}{\mathrm dx}}{(x^2+3)^2}$