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3 years ago

Why is water so important to living organisms

Mathematics

2 answers:

solmaris [256]3 years ago

8 0

If they don't have water they can die because they breathe water.

Evgesh-ka [11]3 years ago

4 0

Hey..!!

It is because people can live without food for many days but cannot without water as our body needs water for certain processes which occur in our body. Our blood needs water. Our body is made up of 75-80% water only.

Hope this helps

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

hjlf

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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Simplify 49/21 to lowest terms.

timurjin [86]

Therefore, 49/21 simplified to lowest terms is 7/3.

Convert fraction (ratio) 21 / 49 Answer: 42.857142857143%

The simplest form of 4949 is 11.

The simplest form of 4921 is 73

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2 years ago

2% of 65 answer fast please

mestny [16]

Answer:

2% of 65

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3 years ago

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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

(x-9)(x+2)(x-2)=0

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3 years ago

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