Collect like terms and you'll get -2 - 3(a - b)
Answer:
BC ~ DE because of similar transformation
Step-by-step explanation:
ABC and DEF are not similar transformations the second one is wrong, the third one is wrong because. The last one ios right because by deduction it is.
Data:
Apples = 28
Oranges = 20
Pears = 12
<span>What is the ratio of apples to the total pieces of fruit?
Solving:
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![\frac{apples}{apples+oranges+pears} = \frac{28}{28+20+12} = \frac{28}{60} \frac{\div4}{\div4} \to\:\boxed{\boxed{ratio = \frac{7}{15}}}\end{array}}\qquad\quad\checkmark](https://tex.z-dn.net/?f=%5Cfrac%7Bapples%7D%7Bapples%2Boranges%2Bpears%7D%20%3D%20%20%5Cfrac%7B28%7D%7B28%2B20%2B12%7D%20%3D%20%20%5Cfrac%7B28%7D%7B60%7D%20%5Cfrac%7B%5Cdiv4%7D%7B%5Cdiv4%7D%20%5Cto%5C%3A%5Cboxed%7B%5Cboxed%7Bratio%20%3D%20%5Cfrac%7B7%7D%7B15%7D%7D%7D%5Cend%7Barray%7D%7D%5Cqquad%5Cquad%5Ccheckmark%20)
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Answer:
Validation
Step-by-step explanation: Validation is a term used to describe the processes involved when we compare a set of values and observations against a set standard or rules to ensure that they meet certain expectations or criteria.
Validation is meant to prove that something, a data set etc are acceptable based on known rules, the rules or standards which is used to evaluate what can be described as valid.