4 years ago

Unit Rates-which is the better buy? 13 points!

1 answer:

6 0

16 - option a : 0.83
option b: 0.8

5 bars of soap for $4

17 - the 50 penguins for 795 usd is obviously the better choice

If you need to be more specific just ask me

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Algebraic expression 7plus 6 over k

choli [55]

7+ 6
---
k

that's what it would look like if you wrote it out on paper

or you could type it like 7+(6/k)

hope it helps :)

4 0

3 years ago

What is the square root of x^6 over y^4

Alinara [238K]

$\sqrt\frac{x^6}{y^4}=\frac{\sqrt{x^6}}{\sqrt{y^4}}=\frac{\sqrt{x^{3\cdot2}}}{\sqrt{y^{2\cdot2}}}=\frac{\left(\sqrt{x^2}\right)^3}{\left(\sqrt{y^2}\right)^2}=\frac{|x|^3}{|y|^2}=\frac{|x|^3}{y^2}\\\\\\\\y\neq0$