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77julia77 [94]
2 years ago
5

Someone please help! I’ll give brainliest!!

Mathematics
1 answer:
Lana71 [14]2 years ago
3 0

Answer:

(1436.8cm³)  let me know if that helps

Step-by-step explanation:

-so if the diameter is a straight line and it's 15 cm

-The formula for the sphere it would be v=4/3πr³

-The radius is going to be r=7cm

-v = 4/3 π (7cm)³

-so you would type in 4/3 x 3.14 x 7 ³ =1,436

  - 3.14 or π

- you would round it to the nearest 10th (1436.8cm³)

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Answer:

x=\frac{3}{8},\:x=0

Step-by-step explanation:

x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{\left(-3\right)^2-4\cdot \:8\cdot \:0}}{2\cdot \:8}

\sqrt{\left(-3\right)^2-4\cdot \:8\cdot \:0}

=\sqrt{3^2-4\cdot \:8\cdot \:0}

\sqrt{3^2}

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x_{1,\:2}=\frac{-\left(-3\right)\pm \:3}{2\cdot \:8}

Separate the solutions:

x_1=\frac{-\left(-3\right)+3}{2\cdot \:8},\:x_2=\frac{-\left(-3\right)-3}{2\cdot \:8}

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2 years ago
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3 years ago
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Plz help me well mark brainliest if correct........?
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Step-by-step explanation:

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