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GenaCL600 [577]
3 years ago
10

Plzzz help and explain how you got the answer

Mathematics
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

1.245 rounded to the nearest tenth is 1.2

0.937 rounded to the nearest tenth is 0.9

1.2-0.9=0.3

Step-by-step explanation:

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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
faltersainse [42]

Answer:

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Step-by-step explanation: See Annex

We find the common points of the two curves, solving the system of equations:

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Then point  P ( 8 ;  4 )

The other point Q is  Q ( 0; 0)

From these  two points, we get the integration limits for dy ( 0 , 4 )are the integration limits.

Now with the help of geogebra we have: In the annex segment ABCD is dy then

V = π *∫₀⁴ (R² - r² ) *dy   =  π *∫₀⁴ (2*y)² - (y²/2)² dy =  π * ∫₀⁴ [(4y²) - y⁴/4 ] dy

V = π * [(4/3)y³ - (1/20)y⁵] |₀⁴

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3 0
2 years ago
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Answer:

44%

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<u> 11 </u> = <u> x </u>

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5 0
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hram777 [196]
The answer is x= 5/2 or -1
8 0
3 years ago
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