3 years ago

Write 20 pounds for 4$ as a unit rate

Mathematics

1 answer:

Vinil7 [7]3 years ago

5 0

Answer:

$0.20 per pound

Step-by-step explanation:

For cost per pound, divide cost by pound.

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3 years ago

Which is equivalent to 80 Superscript one-fourth x?

Neporo4naja [7]

Answer:

The equivalent statement is $(\sqrt[4]{80})^{x}$ ⇒ 2nd answer

Step-by-step explanation:

* Lets explain how to solve the problem

- Any root can be a fraction power

- Ex: $\sqrt{a}=a^{\frac{1}{2}}$

$\sqrt[3]{a}=a^{\frac{1}{3}}$

$\sqrt[4]{a}=a^{\frac{1}{4}}$

$\sqrt[n]{a}=a^{\frac{1}{n}}$

* The expression is $(80)^{\frac{1}{4}x}$

∵ $(80)^{\frac{1}{4}x}$ can be written as $(80^{\frac{1}{4}})^{x}$

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∴ $(80^{\frac{1}{4}})^{x}$ = $(\sqrt[4]{80})^{x}$

* The equivalent statement is $(\sqrt[4]{80})^{x}$

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Step-by-step explanation:

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