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erastova [34]
3 years ago
13

What is the equation of the exponential graph shown?

Mathematics
1 answer:
natta225 [31]3 years ago
3 0

Answer:

100(0.5)^{x}

Step-by-step explanation:

According to the graph, the y int is at 100

so that is the starting point

Then at 1 it is at 50

\frac{100}{50} is 2 so that means it is reduced by half

Just to make sure, \frac{50}{25} is also /2 so that means it is the slope

Since it is a decay, the slope has to be less than one so you get the reciprecol of 2 to get....

\frac{1}{2}

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An opaque cylindrical tank with an open top has a diameter of 3.25 m and is completely filled with water. When the afternoon Sun
kicyunya [14]

Answer:

10.69

Step-by-step explanation:

We must first know that the angle of refraction is given by the following equation:

n_water * sin (A_water) = n_air * sin (A_air)

where n is the refractive index, for water it is 1.33 and for air it is 1.

The angle (A) in the air is 22.8 °, and that of the water is unknown.

Replacing these values we have to:

1.33 * sin (A_water) = 1 * 0.387

sin (A_water) = 1 * 0.387 / 1.33

A_water = arc sin (0.2907) = 16.9 °

now for the tank depth:

h = D / tan (A_water)

D = 3.25

Replacing

h = 3.25 / tan 16.9 °

h = 10.69

Therefore the depth is 10.69 meters.

6 0
2 years ago
In 1900, there was an Olympic underwater swimming event. The score was calculated by giving one point for each second the swimme
mash [69]
68.4*1= 68.4   60.2*2= 120.4   68.4+120.4=    188.8
4 0
3 years ago
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Which ordered pair to be removed so that the resulting graph represents a function?
IgorLugansk [536]
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3 years ago
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The length of a rectangle is six times its width.
Hoochie [10]

Answer:

Length = 30

Width = 5

Step-by-step explanation:

So the formula for perimeter is

P = 2L+2W

And we know that:

L = 6W

So then we put in all the information that we do know

70 = 2(6W)+2W

And pop that into a calculator and you get W=5

So now we put that information into L = 6W to get:

L = 6×5

L = 30

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3 years ago
ANSWER CORRECTLY WITH REASONING FOR BRAINLIEST
Vadim26 [7]

Answer:false

Step-by-step explanation:because jaya is not giving her opinion she is asking for others opinions.

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3 years ago
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