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Tanzania [10]
3 years ago
7

How to add a mixed fraction?

Mathematics
2 answers:
kherson [118]3 years ago
5 0
You could add the whole number parts first then add the fractions. Finally  add the 2 results.
sergejj [24]3 years ago
5 0
You just have to turn them into improper fractions and find a common denominator 
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How to find the volume of a composite solid
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7 0
3 years ago
Same thing I said before and not saying it again, 61 points to whomever can help me out with mathematics. All math questions not
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6 0
3 years ago
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Nitric acid (specific gravity 1.42) costs $51.95 per liter. A student spills 5.112 kg of nitric acid in the laboratory, what is
Leno4ka [110]

Answer:

The cost of wasted nitric acid is $187.02

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\rho _{acid}=S.G\times \rho _{water}\\\\\\\rho_{acid}=1.42\times 1\frac{g}{cm^3}\\\\\rho_{acid}=1.42g/cm^3

Now from the basic relation of mass volume and density we have

\rho =\frac{Mass}{Volume}\\\\\therefore Volume=\frac{Mass}{\rho }

Since the mass of the nitric acid is given to be 5.112 kg = 5112 grams

Thus the volume of nitric acid is

Volume=\frac{5112}{1.42}=3600cm^3

Now we know that 1000 cubic centimeters euals 1 litrer

Thus the calculated volume in liters is

V_{liters}=\frac{3600}{1000}=3.6Liters

Thus the cost of acid spilled  equals

Cost=3.6\times 51.95=187.02

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3 years ago
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Isolate the variable by dividing each side by factors that don't contain the variable.

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180-108= 172 172 divided by 5 is 14.4 z=14.4
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3 years ago
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