Mathematics, 05.05.2020 12:53 obalzano6817

Adam is n years old . Mary Beth is 3n + 4 years old . If Adam is 9 years old, how old is Mary Beth?

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Answer from: SoccerHalo

If you mean Mary Beth's age is 3 times Adam's age. If thats what you mean by 3n then Mary beth is 31 years old.

Step-by-step explanation:

First set up your equation for Marys age: 3n + 4. Next subistute (replace the n with a 9 for adams age.) You should have 3 times 9 + 4. That means the elling you to equation will be 3(9) + 4. (The whenever you see #(#) that means you multiple the two numbers together. In other words #(#) is another way of telling you to multpile.) So based on Order of Operations (PEMDAS) you would multipile the 3 and the 9 to get 27. Then you would add 27 and 4 to get 31. This means that Mary Beth is 31 years old.

Answer from: Quest

the answer is 37

step-by-step explanation:

Answer from: Quest

Ithink the answer is discovery verbs because they are quite similar to the verb 'discovering'
What subcategory best fits the following words from list 2?

What subcategory best fits the following words from list 2?

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