I need help asap :):)):):

Mathematics

2 answers:

Ksju [112]3 years ago

7 0

Answer:

$43.20

Step-by-step explanation:

Subtract the tax to find the actual sale price then multiply by 4. 12-1.20=10.80.... 10.80*4=43.30

pychu [463]3 years ago

3 0

43.20 :)...................

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The density of a fish tank is 0.5 fish over feet cubed . There are 30 fish in the tank. What is the volume of the tank? (1 point

erastovalidia [21]

The correct option is : $60 ft^3$

Explanation

Suppose, the volume of the fish tank is $V$ ft³

The density of the fish tank is 0.5 fish/ft³. It means, the number of fish in 1 ft³ volume is 0.5

So, the number of fish in $V$ ft³ volume will be: $0.5V$

Given that, there are 30 fish in the tank. So, the equation will be......

$0.5V=30\\ \\ V=\frac{30}{0.5}=60$

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never [62]

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Formula :
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Volume = Length x Width x Height

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Find volume :
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$\text { Volume = } 4\dfrac{1}{4} \times 5 \times 2$

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Change to improper fractions :
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$\text { Volume = } \dfrac{17}{4} \times \dfrac{5}{1} \times \dfrac{2}{1}$

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Combine into single fraction :
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$\text { Volume = } \dfrac{170}{4}$

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Simplify:
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$\text { Volume = } 42 \dfrac{1}{2} \ cm^3$

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Answer: Volume = 42 1/2cm³ (Answer c)
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