3 years ago

The length of a rectangle is 10 dm more than its width and its perimeter is 80 dm. find its dimensions.

Mathematics

1 answer:

cluponka [151]3 years ago

4 0

Answer:

the width is 15 and length is 25

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate precription. how much total drug did the pharmacist use

FromTheMoon [43]

Answer: 700.067 g

Step-by-step explanation:

Given : The pharmacist uses 67mg, 100g and 0.6 kg of drug to compound 3 separate prescription.

We know that 1 gram= 1000 milligram

and 1 kilogram = 1000 grams

Then, By UNITARY METHOD, $\text{1 mg}=\dfrac{1}{1000}\text{ gram}$

Now, We convert each amount of drug into grams as ,

$67\ mg=67\times\dfrac{1}{1000}\ g\\\\=0.067\text{ g}$

AND

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Now, the total drug used by Pharmacist (in grams) = $0.067+100+600=700.067\ g$

Hence, Pharmacist used 700.067 g of total drug.

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3 years ago

The length of a rectangle is 10 dm more than its width and its perimeter is 80 dm. find its dimensions.​

The length of a rectangle is 10 dm more than its width and its perimeter is 80 dm. find its dimensions.