2 years ago

Help, show work please (NO LINKS)

Mathematics

1 answer:

Reptile [31]2 years ago

4 0

3.29/18= about 0.18
5.59/28= about 0.2

the best buy is option a!

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$De finition:\\\sqrt{a}=b\ \iff b^2=a\\=====================\\\\$

$625|5\\125|5\\.\ 25|5\\.\ \ 5|5\\.\ \ 1|\\\\625=5\times5\times5\times5=5^2\times5^2\\\\\sqrt{625}=\sqrt{5^2\times5^2}=(*)\\-------------------------------\\use:\ \sqrt{a\times b}=\sqrt{a}\times\sqrt{b}\ and\ \sqrt{a^2}=a\ for\ a\geq0\\-------------------------------\\(*)=\sqrt{5^2}\times\sqrt{5^2}=5\times5=\boxed{25}$

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Read 2 more answers

Deacon had 12 1/3 ounces of juice, but he drank 3 2/3 ounces. How much juice is left?

alexandr1967 [171]

You need to know:

$a \frac{b}{c} = a + \frac{b}{c} = \frac{(a*c) + b}{c}$

Be careful though:

$a \frac{b}{c} ≠ a(\frac{b}{c})$

Using this principle, we can say:
12 1/3 = 37/3
3 2/3 = 11/3
Quantity of juice left = Initial quantity - Quantity drunk
So:
Quantity of juice left = 37/3 - 11/3 = 26/3

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8 0

2 years ago

Help, show work please (NO LINKS)​

Help, show work please (NO LINKS)