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Illusion [34]
3 years ago
14

A cell phone provider offers a plan that costs $40 per month plus $0.10 per text message sent or received. A comparable plan cos

ts $70 per month but offers unlimited text messaging. How many text messages would have to be sent or received in order for the plans to cost the same each month? And if you send or receive an average of 100 text messages each month, which plan would you choose? Why?
Mathematics
1 answer:
anyanavicka [17]3 years ago
7 0
It would be 300 text message for the plan to cost the same each month
Mark as brainly
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barxatty [35]
Estimate:
Bill = $20 approximately.
5% tax on $20 = 20/20=$1
20 % on ($20) = $4
Total cost = $20+1+4 = $25
Total bill = $25 approximately.

Exact calculations
bill = 19.68
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7 0
3 years ago
What is the answer to this question, 2/5×6/7?
Jobisdone [24]

Answer:

12/35

Step-by-step explanation:


Multiply both numerators and denominators.


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6 0
2 years ago
Can someone please help with this math question:)
Bingel [31]

<u>Solution</u><u>:</u>

The rationalisation factor for \frac{1}{ a -  \sqrt{b}  } is a + \sqrt{b}

So, let us apply it here.

\frac{1}{5 -  \sqrt{2} }

The rationalising factor for 5 - √2 is 5 + √2.

Therefore, multiplying and dividing by 5 + √2, we have

=  \frac{1}{5 -  \sqrt{2} }  \times  \frac{5 +  \sqrt{2} }{5 +  \sqrt{2} }  \\  =  \frac{5 +  \sqrt{2} }{(5 -  \sqrt{2})(5 +  \sqrt{2} ) }  \\  =  \frac{5 +  \sqrt{2} }{ {(5)}^{2} - ( \sqrt{2})^{2}   }  \\  =  \frac{5 +  \sqrt{2} }{25 -  2}  \\  =  \frac{5 +  \sqrt{2} }{23}

<u>Answer:</u>

<u>\frac{5 +  \sqrt{2} }{23}</u>

Hope you could understand.

If you have any query, feel free to ask.

5 0
2 years ago
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Answer:

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Step-by-step explanation: sorry lol

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10lb bag of potatoes or $5.50 or 15lb bag of potatoes for $8.40 which is a better deal​
Jobisdone [24]
15lbs is a better deal
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3 years ago
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