3 years ago

Can someone help please?

1 answer:

vladimir2022 [97]3 years ago

8 0

X=-4 you have to substitue first so you put the equation where the X is and then you would distribute and then add the numbers that have the common exponent

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Need help ASAP !!!!<br> Solve for the missing side. Round answer to two decimal places (like 7.93).

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3 years ago

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Makovka662 [10]

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<u>Step-by-step explanation:</u>

Here we have to Express in the form n:1 give n as a decimal 21:12 . Let's find out:

Given ratio as 21:12 . Let's convert it into n:1 , where n is decimal

⇒ $21:12$

⇒ $\frac{21}{12}$

⇒ $\frac{3(7)}{3(4)}$

⇒ $\frac{7}{4}$

⇒ $\frac{\frac{7}{4}}{\frac{4}{4}}$ { dividing denominator & numerator by 4 }

⇒ $\frac{\frac{7}{4}}{1}$

⇒ $\frac{1.75}{1}$

⇒ $1.75:1$ which is similar to n:1 where $n=1.75$

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