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vitfil [10]
3 years ago
7

Finding volume of sphere when r=6

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
5 0

Answer:

V = 904.78

Step-by-step explanation:

Volume of a Sphere = 4π\frac{r^3}{3}

=> V = 4π\frac{6^3}{3}

=> V = 4π\frac{216}{3}

=> V = 4π(72)

=> V = 904.78

Hope this helps!

beks73 [17]3 years ago
3 0

Answer:

905

Step-by-step explanation:

4

3

·

π

·

6

3

≈

904.77868

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3 years ago
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A regression of y = calcium content (g/L) on x = dissolved material (mg/cm2) was reported in the article "Use of Fly Ash or Sili
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Answer:

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Step-by-step explanation:

a) The slope = 0.144 , means that an increase in dissolved material by 1 mg/cm^2 will lead to an increase in Calcium content by 0.144 g/l

while the coefficient of determination = 0.869 , means that 86% of the variation ( natural ) of calcium content is explainable using the Linear model.

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Given that dissolved material = 50 mg/cm^2

= 3.678 + 0.144 * dissolved material

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<u>C) Determine an estimate of error standard deviation </u>

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SSE = 320.398 - 320.398 ( 0.86) ^2

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