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34kurt
3 years ago
13

Please HELP! I will mark best answer as brainliest

Mathematics
1 answer:
elena-s [515]3 years ago
8 0
Its decreased by 200  in the 4 years from 1994 to 1998 That is  50  less per year
In 1990  the population  would have been  2500 
So the required formula is 

P = -50t + 2500  ( or you could write it as P = 2500 - 50t
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The Burj Khalifa, a building in Dubai, United Arab Emirates, is about 828 meters tall. Brody is making a scale model of this bui
Sonja [21]
The correct answer for this question is this one: "Roughly 1.7 meters."

The height is 828 meters tall. The scale model is 1 meter is equal to 500 meters.

To the nearest tenth, Brody's model of the Burj Khalifa should be
= 828 / 500
= 1.656 meter
Roughly 1.7 meters.


Hope this helps answer your question and have a nice day ahead.
3 0
3 years ago
Can someone tell me what the small circles on the angles of the triangles mean and what they are called?
kozerog [31]
The semi-circles in the triangles represent the verteces or different angles on certain points of the triangle.

-Hope this helped! :D
4 0
3 years ago
Read 2 more answers
A man from a village X on a bearing of 060 degree to a village Y which is 20km away.From Y,he travels to a village Z,on a bearin
MA_775_DIABLO [31]

Answer:

The distance of Y from Z is 10.4 km.

The distance of Z from X is 14.6 km.

Step-by-step explanation:

Please ask me if you do not understand my working out.

Hope this helps :)

4 0
3 years ago
How the transformations of the functions f(x)=15tanx and g(x)=tanx+15 differ?
Irina-Kira [14]
The transformation of <span>f(x)=15tanx would be achieved by dilating y</span>=tanx graph 15 times. This transformation will cause y'=15 y. This will increase the value of dilation become 15 times of the original

The transformation of g(x)=15tanx would be achieved by shifting y=tanx graph 15 right. This transformation will cause x'=x+15. This will change the value from tan x into tan(x+15)
3 0
3 years ago
Read 2 more answers
Am I dealing with harmonic stuff (trig)?
pochemuha

You just need to solve for when y=0:

\dfrac{\cos8t-9\sin8t}4=0\implies\cos8t-9\sin8t=0

\implies\cos8t=9\sin8t

\implies\dfrac19=\dfrac{\sin8t}{\cos8t}=\tan8t

\implies8t=\tan^{-1}\dfrac19+n\pi

\implies t=\dfrac18\tan^{-1}\dfrac19+\dfrac{n\pi}8

where n is any integer. We only care about when 0\le t\le1, which happens for n\in\{0,1,2\}.

t=\dfrac18\tan^{-1}\dfrac19\approx0.01

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi8\approx0.41

t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi4\approx0.80

8 0
3 years ago
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