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Roman55 [17]
3 years ago
11

Juan and Rachel have the same number of marbles. Rachel gives away 10 marbles and Juan gives away 22 marbles. Rachel then has 3

times as many marbles as Juan. How many marbles did each of them have at first
Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0
They each had 18 marbles at first
Olin [163]3 years ago
3 0
They both had 28 in the beginning
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Make L the subject of the formula T=2π√L\G​
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Answer:

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Step-by-step explanation:

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attashe74 [19]

Answer:

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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

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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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Hence, Pharmacist used 700.067 g of total drug.

8 0
2 years ago
10-3.10-4 = 10<br> Evaluate
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Answer:

2.9=10

Step-by-step explanation:

10-3.10-4=10

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5 0
2 years ago
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