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Ipatiy [6.2K]
3 years ago
14

It Takes 40 minutes for 8 people to paint 4 walls

Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Answer: 70

Step-by-step explanation:

10 x 7


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A soccer ball has an interior diameter of 22 cm. How many cubic centimeters of air does a soccer ball
Delvig [45]

Answer:

Volume of soccer ball = 5,572.45 Cm³ (Approx)

Step-by-step explanation:

Given:

Diameter of soccer ball = 22 Cm

Radius of soccer ball = 22 Cm / 2 = 11 Cm

Find:

Volume of soccer ball = ?

Computation:

Volume\ of\ soccer\ ball = \frac{4}{3} \pi r^3\\\\ Volume\ of\ soccer\ ball = \frac{4}{3} \times\frac{22}{7} \times 11^3\\\\ Volume\ of\ soccer\ ball = 5,572.45332

Volume of soccer ball = 5,572.45 Cm³ (Approx)

Therefore, Soccer ball contain 5,572.5 Cm³ of air.

5 0
3 years ago
1. question in attachment
skelet666 [1.2K]
Was there a chart with this?
4 0
2 years ago
Write a quadratic equations given the roots 5/2 and 9
sukhopar [10]

Answer:

(x-5/2)(x-9).

x^2-5/2x-5/2x+45/2.

Multiply the number by 2.

which is 2(x^2-5/2x-5/2x+45/2).

2x^2-5x-5x+45.

2x^2-10x+45.

7 0
3 years ago
Help me pls pls pls help pls pls pls
Burka [1]

Answer:

Triangle 1: 9

Square: 57.76

Triangle 2: 20.91

Step-by-step explanation:

Square area formula: area=side^{2}

Triangle: area=\frac{height x base}{2}

8 0
2 years ago
Find the sum of a finite geometric series.
kobusy [5.1K]

Answer:

24 students id k if I'm right tho

Step-by-step explanation:

5 0
3 years ago
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