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Marizza181 [45]
3 years ago
11

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

V is approximately 5572 cm^3

Step-by-step explanation:

A soccer ball is a sphere.

The volume of a sphere is

V = 4/3 pi r^3

V = 4/3 (3.14) (11)^3

 = 4/3 * (3.14) 1331

  5572.45333333

V is approximately 5572 cm^3

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HELP !!!! I NEED HELP ON THIS QUESTION !!!
lord [1]
Find the volumen of the semisphere and subtract the volumes of the two cylinders

1) Volume of the semisphere:

[1/2] (4/3)π(r^3) =[ 2π(1.5m)^3 ]/3 = 7.0686 m^3

2) Volumen of the cylinders:π(r^2)h

a) π(0.75/2m)^2 (1.75m) = 0.7731 m^3

b) π(1/2m)^2 (1.25m) = 0.9818 m^3

3) 7.0686 m^3 - 0.7731 m^3 - 0.9818m^3 = 5.3137 m^3

Answer: 5.3 m^3

3 0
3 years ago
Juan is going to flip a coin 2 times. What is the fractional probability that it will be two heads
sertanlavr [38]

Answer:

The fractional probability of getting 2 heads is 1/4.

4 0
3 years ago
The circle's radius is 10 units. Find the length of RH . You may use a calculator's pi button or 3.14 for pi, then round your an
Trava [24]

Answer:

RH = 8.2 units

Step-by-step explanation:

total circumference = 2rπ = 2(10)(3.14) = 62.8 units

RH = (47°/360°)(62.8) = 8.2 units

5 0
3 years ago
Hello,
adelina 88 [10]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
What is the length of side AD?. . . 6 cm. 8.5 cm. 10.4 cm. 12 cm
ludmilkaskok [199]
In triangle ABC, AC = 12/ (sin30) = 12 / (1/2) = 24
DC = 24-x
DB = DC tan 30 = (24-x)  tan30 <span>=(24−x)/</span><span>√3
</span>

In triangle ADB using Pythagorean Theorem<span><span>x2</span>+((24−x)/<span>√3</span><span>)2</span>=<span>12^2</span></span><span><span>x2</span>+(24−x<span>)^2</span>/3=<span>12^2</span></span><span>3<span>x2</span>+(24−x<span>)^2</span>=432</span><span>4<span>x2</span>−48x+576=432</span><span>4<span>x2</span>−48x+144=0</span><span><span><span>x2</span>−12x+36=0
x1 = x2 =6

AD = AC - DC = 24- (24-x) = 6</span></span>
5 0
3 years ago
Read 2 more answers
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