3 years ago

(EASY) The amount of propane in a tank that stores propane for heating a home decrease from 500 gallons to 344 gallons.

1 answer:

3 0

Answer:

the amount of heating a home decrease from 500gallons to 433 gallons

344*45/500= 39.96 answer proved

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Alenkinab [10]

Answer: 818.4

Step-by-step explanation:

Using the area of a sector formula, we get the area of the entire sector is $(\pi)(27.8^{2})\left(\frac{150}{360} \right)$ .

Using the formula $A=\frac{1}{2} ab \sin C$ , we get the area of the triangle is $\frac{1}{2}(27.8)(27.8)(\sin 150^{\circ})$ .

So, the area of the shaded sector is $(\pi)(27.8^{2})\left(\frac{150}{360} \right)-\frac{1}{2}(27.8)(27.8)(\sin 150^{\circ}) \approx \boxed{818.4}$

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