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4 years ago

Security can be an issue with the use of ATMs. True False

Mathematics

2 answers:

serg [7]4 years ago

6 0

Answer:

True

Step-by-step explanation:

It's true cause with todays electronics people can hack ATMs easyly when someone swipes their card it's easy for someone to hack into there acount and steal all their info.

lesya [120]4 years ago

4 0

Answer: The answer is True.

This is because when people swipe their cards many hackers can place little chips in the reader and get people's credit card numbers.

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4 years ago

By selling a cow for Rs 144, there is a profit of the same percentage as its cost price. Find the cost price.

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Answer:

Step-by-step explanation:

<h2><u>☼︎</u><u>Answer:</u></h2>

The cost price of cow = Rs.80

Explanation:

<h2><u>☼︎</u><u>Given :-</u></h2>

By selling a cow for Rs 144, there is a profit of the same percentage as its cost price.

The cost price.

The cost price of cow = Rs.x

<h2><u>☼︎</u><u>Solution :-</u></h2>

$\sf x + x \: of \: x\%= 144 \\ \\ \sf \implies x + \frac{x \times x}{100} = 144 \\ \\ \sf \implies {x}^{2} + 100x - 14400 = 0 \\ \\ \sf \implies x(x - 80) + 180(x - 80) = 0 \\ \\ \sf \implies x + 180 = 0 \\ \\ \sf \implies x = - 180 \\ \\ \sf \therefore \: {\boxed{ \sf \pink{x = 80}}}$

<h2><u>Hence: </u></h2>

The cost price of cow =<u>R</u><u>s</u><u>8</u><u>0</u>

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3 years ago

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