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egoroff_w [7]
3 years ago
12

Tonisha has a lemonade stand. She has $31 in expenses and wants to make $69 per day. If X represents the amount of revenue from

selling lemonade,an inequality to represent the amount of revenue she would need to generate would be:_____? Tonisha needs to sell how much each day?
Mathematics
1 answer:
aksik [14]3 years ago
6 0

Answer:

x - 31  \geq 69

Tonisha has to make at least $100 in revenue

Step-by-step explanation:

Set up the inequality:

x - 31 represents her profit

Since she wants to make at least $69 a day, use \geq 69

So, the inequality is x - 31  \geq 69

Then, solve for x to find how much she has to sell:

x - 31  \geq 69

x \geq 100

So, Tonisha has to make at least $100 in revenue

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dexar [7]

Y= x^2 -5

We need to solve for x, we need to get x alone

Y= x^2 -5

Lets start by removing -5

Add 5 on both sides

y + 5= x^2 -5 + 5

y + 5= x^2

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

+-\sqrt{y+5} = \sqrt{x^2}

square and square root will get cancelled

+-\sqrt{y+5} = x

So x = +\sqrt{y+5} and  x = -\sqrt{y+5}


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Step-by-step explanation:

According to question,

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