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Anna007 [38]
3 years ago
10

Prudie needs $90 or more to be able to take her family out to dinner. She has already saved $30 and wants to take her family out

to eat in 4 days . Suppose that Prudie earns the same each day . Write an inequality to find out how much she earns each day... whats the inequality?
Mathematics
1 answer:
Aleks [24]3 years ago
7 0
90≤4x+30

Yes she will have enough. 4 multiplied by 18 is 72. 72+30=102. 

Hope this helped.
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Answer:

XY = \frac{4\sqrt 3}{3}

Step-by-step explanation:

<em>The question is illustrated with the attached figure.</em>

Required

Determine XY

To solve for XY, we make use of the tan function, which states that:

tan\theta = \frac{Opposite}{Hypotenuse}

In this case:

tan\ 60= \frac{YZ}{XY}

Substitute 4 for YZ

tan\ 60= \frac{4}{XY}

Make XY the subject

XY= \frac{4}{tan\ 60}

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So, the expression becomes:

XY = \frac{4}{\sqrt 3}

Rationalize:

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Lostsunrise [7]

Answer:

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Step-by-step explanation:

Step 1, do the stuff in parenthesis:

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Step 2, remove parenthesis and simplify:

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Step 3, use this formula-

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Step 4, use another formula:

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Answer:

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