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White raven [17]
3 years ago
14

The equation M = 0.6666 log x – 3.2 represents the magnitude of an earthquake depending on the energy it produces. What does 0.6

666 represent?
xxxA.the growth factor
B. the value of M when x equals 1
C.the magnitude of the earthquake
D.the energy produced by the earthquake

It's A
Mathematics
1 answer:
lesya692 [45]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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A circle is centered at the point (5, -4) and passes through the point (-3, 2).
zepelin [54]

Answer:

(x-5)^2+(y+4)^2=100

Step-by-step explanation:

As we know the given points

Center = (5, -4)

and

Point on circle = (-3,2)

The distance between point on circle and center will give us the radius of circle

So,

The formula for distance is:

\sqrt{(x_{2}-x_{1} )^{2}+(y_{2}-y_{1})^{2}}\\Taking\ center\ as\ point\ 1\ and\ the\ other\ point\ as\ point\ 2\\d=\sqrt{(-3-5)^{2}+(2-(-4))^{2}}\\d=\sqrt{(-8)^{2}+(2+4)^{2}}\\d=\sqrt{(-8)^{2}+(6)^{2}}\\\\d=\sqrt{64+36}\\d=\sqrt{100} \\ d=10\\So\ the\ radius\ is\ 10

The standard form of equation of circle is:

(x-h)^{2}+(y-k)^{2}=r^{2}

where h and k are the coordinates of the center. So putting in the value:

(x-5)^{2}+(y-(-4))^{2}=(10)^{2}\\(x-5)^{2}+(y+4)^{2}=100

8 0
3 years ago
What will the population of bacteria be if I have 225 bacteria to start and it triples ever hour for 2 hours
VMariaS [17]

225•3=675

675•3=2,025

675+2,025=2700

The answer is 2,700.

Hope this helps!

4 0
3 years ago
The Insurance Institute for Highway Safety publishes data on the total damage caused by compact automobiles in a series of contr
erastova [34]

Answer: Min : $750\ ,\ Q_1= \$800\ ,\ Median : \$925\ ,\ Q_3=\$1050\ ,\ Max: \$1100

Step-by-step explanation:

The five -number summary consists of five values :

Minimum value , First quartile (Q_1) , Median , Third Quartile (Q_3)  , Maximum value.

Given : The Insurance Institute for Highway Safety publishes data on the total damage caused by compact automobiles in a series of controlled, low-speed collisions.

The following costs are for a sample of six cars:

$800, $750, $900, $950, $1100, $1050.

Arrange data in increasing order :

$750,$800, $900, $950, $1050, $1100

Minimum value =  $750

Maximum value = $1100

Median = middle most term

Since , total observation is 6 (even) , so Median = Mean of two middle most values ($900 and  $950).

i.e.  Median=\dfrac{900+950}{2}=\$925

First quartile (Q_1) = Median of lower half ($750,$800, $900)

= $800

, Third Quartile (Q_3)  = Median of upper half ($950,  $1050, $1100)

= $1050

Hence, the five-number summary of the total damage suffered for this sample of cars will be :

Min : $750\ ,\ Q_1= \$800\ ,\ Median : \$925\ ,\ Q_3=\$1050\ ,\ Max: \$1100

3 0
3 years ago
Solve the equation. m + (-22) = -25
lutik1710 [3]

Answer:

m=-3

Step-by-step explanation:

move the -22 to the other side by adding 22 on both sides:

m-22+22=-25+22

Simplify:

m=-3

Answer: m=-3

Hope this helps!

5 0
3 years ago
What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with f(x - 7)?
Leto [7]
The graph is translated 7 units to the right.
7 0
3 years ago
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