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Dennis_Churaev [7]
3 years ago
14

Help me please!!! im very slow and confused.RIGHT ANSWERS FOR BRAINLIEST!!

Mathematics
2 answers:
yanalaym [24]3 years ago
7 0

Answer:

It takes Andre 10 minutes to plant one tree. So it would take 140 minutes to plant 14 trees.

Step-by-step explanation:

Since Andre takes 30 minutes to plant 3 trees, you would have to divide 30 by 3 to find out how long it takes him to plant one tree. 30 ÷ 3 = 10. So it takes him 10 minutes to plant 1 tree. To find out how many minutes takes to plant 14 trees you would have to multiply 14 by 10. 14 × 10 = 140. so, it takes Andre 140 minutes to plan 14 trees.

AURORKA [14]3 years ago
5 0

Answer:

140 minutes

Step-by-step explanation:

The first thing you need to do is figure out how long it takes for Andre to plant 1 seedling. If it takes 30 minutes to plant 3, and they all take the same amount of time, you can divide 30 by 3.

30 total minutes ÷ 3 seedlings = 10 minutes each, so it takes 10 minutes to plant 1 seedling.

Now you need to find how much time it will take to plant 14. To do this multiply 14 by the number of minutes it takes to plant 1 seedling (10 minutes). 14 seedlings × 10 minutes each = 140 minutes total.

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Answer:

The volume of the air that the beach ball will hold is 113,142.85 cm³.

Step-by-step explanation:

Sphere:

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Given that,

Ariel is filling a giant ball with air.

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The volume of air = The volume of the ball.

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The volume of the ball is \frac 43 \pi r^3

                                      =\frac43 \pi (30)^3 cm³

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The volume of the air that the beach ball will hold is 113,142.85 cm³.

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