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Alex
2 years ago
7

The energy magnitude M of an earthquake can be modeled by the equation

Mathematics
1 answer:
const2013 [10]2 years ago
6 0

Answer: magnitude of an earthquake with an energy release of 7.079 X 10^26 =8

Step-by-step explanation:

Given that the magnitude M of an earthquake can be expressed by the equation

M=(2/3)log E - 9.9

Given that Energy release , E=7.079 X 10^26

Magnotude , M=(2/3)log E - 9.9

=2/3 log7.079 X 10^26 -9.9

2/3 x 2.8499719  -9.9

17.8999813 -9.9

=7.9999

rounded to 8 magnitude

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Factorise:<br> 8 x 3 + 729 +10800² + 486X.
hjlf

Answer:

(2x+9)  ^3

Step-by-step explanation:

 (((8 • (x3)) +  729) +  (22•33x2)) +  486x

 ((23x3 +  729) +  (22•33x2)) +  486x

Factoring:  8x3+108x2+486x+729  

 8x3+108x2+486x+729  is a perfect cube which means it is the cube of another polynomial  

 In our case, the cubic root of  8x3+108x2+486x+729  is  2x+9  

 Factorization is  (2x+9)3

Hope this helped

8 0
3 years ago
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5/12 is the simplest form that it can be simplified to.

5 0
3 years ago
You decide to bake some cakes. You need 150 g of flour for 12 cakes. How much flour do you need for 30 cakes?
miss Akunina [59]
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3 0
3 years ago
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How many solutions can be found for the linear equation? 3(x+4)=3x+4
Hitman42 [59]
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3x + 12 = 3x + 4
Now subtract 12.

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Now we can see that the right side of the equation is always 8 smaller than the left side of the equation. Because the right is always smaller, this equation cannot be solved. Therefore there are no solutions to this equation. The answer is 0 solutions.

3 0
2 years ago
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ololo11 [35]

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Step-by-step explanation:

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6 0
3 years ago
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