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creativ13 [48]
4 years ago
10

The product of two positive numbers is 245. determine the two numbers if one number is 5 times the other.

Mathematics
1 answer:
kati45 [8]4 years ago
6 0
Let n represent the smaller number. The product is then ...
  n×5n = 245
  n² = 49 . . . . . . . divide by 5
  n = 7 . . . . . . . . . take the positive square root

The two numbers are 7 and 35.
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A flower shop acquired 80 new customers last year. Costs in the marketing and sales areas were the following:
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Using proportions, it is found that the Customer Acquisition Cost was of $1,215.

<h3>What is a proportion?</h3>

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2 years ago
Please help!!!!! it's a word problem and I don't understand how to do it at all
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7We can see that line NM = JK so NM also equals 10.
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ML = 10
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8 0
3 years ago
What is the mass of 2.5 moles of carbon dioxide?
GarryVolchara [31]

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Step-by-step explanation:

CO2 molecule is made up of Carbon (atomic mass =12) and oxygen (atomic mass=16).

So first finding the mass of 1 molecule of CO2 which is equals to

= mass of 1 carbon atom + masses of 2 oxygen atom, we get

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Now 1 molecule of CO2 has mass 44 amu so mass of 1 mole CO2 will be 44 grams.( 1 a.m.u.=1.6729*10^-33 grams. 1 mole = 6.022*10^23, so 44 a.m.u.=73.6076*10^-33 grams approx. For one mole CO2, 73.6076*10^-33*6.022*10^23 which is approximately equals to 44 grams. )

1 mole CO2= 44grams, so 2.5 moles = 44*2.5= 110 grams

So our answer is 110 grams.

lowkey hope this helped you, good luck whatever you need it for Imaooo

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Answer:

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