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Leokris [45]
3 years ago
12

Can someone help please?

Mathematics
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 0
3 years ago
Express in the form n:1 give n as a decimal 21:12
Makovka662 [10]

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

<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

7 0
3 years ago
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