Help please Due in 5 mins I really need help!!!!!!!!!!!!!!

Mathematics

2 answers:

koban [17]2 years ago

4 0

Answer:

Choice D

Step-by-step explanation:

All others come out to equal 13. Last one does not.

evablogger [386]2 years ago

3 0

Answer:

Step-by-step explanation:

All others equal 13, D equals 18 which is not the same as 78/6.

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anyanavicka [17]

Answer:

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Step-by-step explanation:

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2 years ago

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vazorg [7]

Answer:

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Step-by-step explanation:

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2 years ago

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Tems11 [23]

Answer: $\bold{n=\dfrac{11}{6}}$

Step-by-step explanation:

$\dfrac{3n-2}{5}=\dfrac{7}{10}\\\\\\10(3n-2)=5(7)\qquad \longrightarrow \quad \text{(cross multiplied)}\\\\30n-20=35\qquad \longrightarrow \quad \text{(distributed)}\\\\30n=55\qquad \longrightarrow \quad \text{(added 20 to both sides)}\\\\n=\dfrac{55}{30}\qquad \longrightarrow \quad \text{(divided 30 from both sides)}\\\\n=\dfrac{11}{6}\quad \longrightarrow \quad \text{(simplified fraction)}\\\\\\\large\boxed{n=\dfrac{11}{6}}\\$