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sergiy2304 [10]
2 years ago
5

a certain bacteria populations doubles in size everyday. Suppose a sample starts with 500 bacteria. write an expression that mod

els the number of bacteria in the same sample after x days. Evaluate the expression for x=0,2,and 5
Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
7 0

Answer:

16,000

Step-by-step explanation:

16,000 - answer

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1/12

Step-by-step explanation:

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Describe how you would estimate the first number of the quotion for the division497÷22
liraira [26]
I would round them so it would be 500 divided by 20
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Solve the inequality -8x - 10 > 7x + 20.
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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:

V = 34,13*π   cubic units

Step-by-step explanation: See Annex

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

y²  = 2*x                           x = 2*y  ⇒  y = x/2

(x/2)² = 2*x

x²/4 = 2*x

x  =  2*4         x  = 8      and   y = 8/2       y = 4

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

V =  π * [ (4/3)*4³ - 0 - 1/20)*1024 + 0 )

V = π * [256/3  - 51,20]

V = 34,13*π   cubic units

3 0
2 years ago
PLEASE HURRY
Greeley [361]

Answer:

0 see the explnation

Step-by-step explanation:

attached above

4 0
2 years ago
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