3 years ago

A 2 lb bag of sunflower seeds cost $1.29. Find the unit price. If needed

Mathematics

1 answer:

irina1246 [14]3 years ago

3 0

Answer:

0.65

Step-by-step explanation:

1.29/2=0.645

0.645 rounded is 0.65

0.65 is the unit rate and the cost per bag of sunflower seeds.

Hope this helps! :)

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Find the angle of the sector given the radius and the area of the sector.

gregori [183]

Answer:

270 degrees

Step-by-step explanation:

$Area \: of \: the \: sector \\ \\ = \frac{ \theta}{360 \degree} \times \pi {r}^{2} \\ \\ 339.3 = \frac{ \theta}{360 \degree} \times 3.14 {(12)}^{2} \\ \\ 339.3 = \frac{ \theta}{360 \degree} \times 3.14 \times 144 \\ \\ \theta = \frac{339.3 \times 360 \degree}{3.14 \times 144} \\ \\ \theta = \frac{122,148\degree}{452.16} \\ \\ \theta= 270.143312 \degree \\ \\ \theta \approx \: 270\degree$