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2 years ago

20)

Mathematics

1 answer:

Nataly [62]2 years ago

7 0

Answer:

babysitting = $9

working at coffeehouse = $12

x = hours for babysitting

y = hours at coffeehouse

minimum = ≥

9x + 12y ≥ 240

Step-by-step explanation:

just a short note on which symbol you should use when you see these words in inequality questions:

i) use ≥

-more than or equal to

-not less than

-at least

-minimum

ii) use >

-more than

-greater than

iii) use ≤

-less than or equal to

-not more than

-at most

-maximum

iv) use <

-less than

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45=18c\ \ \ \ | divide\ by\ 18\\\\
c=\frac{45}{18}=2\frac{1}{2}\\\\\
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2 years ago

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gregori [183]

Answer:

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Step-by-step explanation:

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miss Akunina [59]

Answer:

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Step-by-step explanation:

Consider the provide expression.

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First look at the coefficients of the variable.

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Dvinal [7]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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