2 years ago

A sofa is on sale for 27% off. The sale price is $511. What is the regular price?

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

7 0

700 dollars, what you do is divide 511 by 73 then multiply the number by 100.

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ch4aika [34]

Answer:

Answer: (0, -4) and (6, 1)

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→ From equation (a), make t the subject:

$→ \: { \tt{x(t) = 6t }} \\ \\ → \: { \tt{t = \frac{x(t)}{6} }}$

• substitute for t in equation (b)

$→ \: { \tt{y(t) = 3(\frac{x(t)}{6}) - 2 }} \\ \\ → \: { \tt{y(t) = \frac{x(t)}{2} - 2 }}$

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$→ \: { \tt{y = \frac{x}{2} - 2}} \\ \\ → \: { \boxed{ \tt{2y = x - 4}}}$

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$→ \: { \tt{2y = 0 - 4 = - 4}} \\$

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$→ \: { \tt{2y = 6 - 4 = 2 }} \\ { \tt{y = 1}}$

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valentina_108 [34]

Answer: I got 1, 4, and 7

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Step-by-step explanation:

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tia_tia [17]

Answer:

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Natali5045456 [20]

Answer:

Step-by-step explanation:

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3 years ago

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