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SVETLANKA909090 [29]
3 years ago
15

Question Three

Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

c

Step-by-step explanation:

i am a sports center worker

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Seismologists use the Richter scale to express the energy, or magnitude, of an earthquake. The Richter magnitude of an earthquak
vovikov84 [41]

Answer:

10¹⁸ ergs

Step-by-step explanation:

From the question,

Using the expression

M = \frac{4}{5}log(E/10¹³)................. Equation 1

Where M = Richter magnitude of earth quake, E = Energy released in ergs.

Given: M = 4.0

Substitute into equation 1 amd solve for E

4 = \frac{4}{5}log(E/10¹³)

Log(E/10¹³) = (4×5)/4

Log(E/10¹³) = 5

E/10¹³ = 10⁵

E = 10⁵×10¹³

E = 10⁵⁺¹³

E = 10¹⁸ ergs

6 0
3 years ago
The coordinates below are the three vertices of a rectangle. Identify the fourth coordinate and the area of the rectangle.
mr_godi [17]

Answer:

The answer is D. The last coordinate would be located at the point (7,2). The area would be 45 units squared.

Step-by-step explanation:

6 0
3 years ago
I really need help now pls ! U will get 20 points!
Nitella [24]
$84.42........... hope this helps you :)
5 0
4 years ago
A little help would be nice :) I will award 5 stars and 15 points.
Alexus [3.1K]
S = d/t for t

To do this, multiply both sides by 1/d

s/d = t

Hope this helps!
5 0
3 years ago
4.7 x 10^-3___ 2^2<br> =<br> &lt;<br> &gt;
tekilochka [14]

Answer:

<     (less than)

Step-by-step explanation:

4.7*0.001 ___ 4

0.0047___4

0.0047 < 4

4 0
3 years ago
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