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3 years ago

What is 2(2x-5)=6x+4

Mathematics

1 answer:

Sphinxa [80]3 years ago

3 0

4x-10=6x+4; -10=2x+4; -14=2x; x=-7

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3 years ago

Write an algebraic expression that represents 2 less than 18 times a number?

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Answer:

Step-by-step explanation:

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3 years ago

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2. Which rule best represents the

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Answer:

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2 years ago

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3 years ago

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Help please! my teacher wants us to show how we got our answer

Mila [183]

Direct variation is when $\dfrac{y}{x}$ is the same for each coordinate.

Indirect variation is when x · y is the same for each coordinate.

11. Answer: Direct Variation

Step-by-step explanation:

$\begin {array}{c||c|c|c|c|c}x&12&18&23&29&34\\y&132&198&253&319&374\\\\\dfrac{y}{x}&\dfrac{132}{12}=11&\dfrac{198}{18}=11&\dfrac{253}{23}=11&\dfrac{319}{29}=11&\dfrac{374}{34}=11\\\end{array} \\\\\\\text{The coordinates x and y show a direct variation.}$

12. Answer: Indirect Variation

Step-by-step explanation:

$\begin {array}{c||c|c|c|c|c}x&4&6&8&8.4&12\\y&21&14&10.5&10&7\\x\cdot y&4\cdot 21=84&6\cdot 14=84&8\cdot 10.5=84&8.4\cdot 10=84&12\cdot 7=84\\\end{array} \\\\\\\text{The coordinates x and y show an indirect variation.}$

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3 years ago