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kicyunya [14]
3 years ago
8

What physical processes inside earth build up the land?

Geography
1 answer:
Gala2k [10]3 years ago
5 0
I think earthquakes or volcanoes.
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ILL GIVE YOUR BRAINLIEST
Ivahew [28]

Answer:

National flag: blue black and white

National flower : Cornflower (Centaurea cyanus)

National motto of the country: none

3 0
3 years ago
Find an equation for the perpendicular bisector of the line segment whose endpoints
zzz [600]

Answer:

y= -7/2x-26/2 or y= -7/2x-13

Explanation:

To solve this question you need all of these formulas:

gradient: \frac{y2-y1}{x2-x1} , Point-Slope y-y1=m(x-x1) ,

perpendicular m (m1)x(m2)=-1 , Midpoint (\frac{x1+x2}{2},\frac{y1+y2}{2} )

and equation of a line y=mx+c

where m stands for gradient

First things first.

To start you have to know the data of the line that includes the two endpoints, so you calculate its gradient (m) of this line with the gradient fromula: m=\frac{-4-(-8)}{5-(-9)} , which equals 4/14 or 2/7

(It can also be called rise/run) (Remember the rule of signs where - and - equal +)

with that information you can proceed with the point-slope or point-gradient formula, so you plug the values: y-(-8) = 2/7 (x-(-9)), which results in y+8=2/7(x+9) and then y+8=2/7x+18/7.

To finish the equation you move eight to the other side. To simplify things you can change it into a fraction as I did, and remember to change signs.

y=2/7x+18/7 -8 -> y=2/7x+18/7-56/7 . This gives us the number of y=2/7x-38/7, which is the equation of the first line.

Now to know the gradient of the second line you apply the formula of perpendicular bisector where m1 x m2 = -1. We know m1 (gradient of the first line) is 2/7, so m2 = \frac{-1}{2/7} = -7/2. m2 is therefore -7/2

Now you have to know the midpoint between the two endpoints, which will act as the start point of the perpendicular bisector

M (midpoint) = (\frac{-9+5}{2} ,\frac{8+(-4)}{2} ), which give us the coordinates of (-2, -6)

(remember, x coordinate is always first)

with this point we can apply again the point-slope formula to know the equation of the line:

y-(-6)=-7/2(x-(-2)) -> y+6=-7/2(x+2) -> y+6=-7/2x - 14/2

Move the 6 to isolate the y

y=-7/2x -14/2 - 12/2

which equals y= -7/2x -26/2

You can check the results in this page: GraphPlotter

https://www.transum.org/Maths/Activity/Graph/Desmos.asp

To make sure the answer is correct.

Hope it helps :)

8 0
2 years ago
HELP FAST PLEASE worth 25 points
stellarik [79]

Answer:

Modern technology can give us a more precise or accurate area of where absolute or relative location is allowing for even better planning or location finding for different things such as location finding with GPS or distance tracking with a radar gun.

Explanation:

5 0
3 years ago
Why are the Galapagos Islands famous?
Colt1911 [192]
The Galapagos Islands are famous because it is where Charles Darwin discovered many previously unknown species of animals and inspired him to create the theories of natural selection, survival of the fittest, and evolution.
5 0
3 years ago
A right circular cylinder has radius 6 in. and volume 144π in3 . What is its height?
Svetlanka [38]

Answer:

4in

Explanation:

Given parameters:

Radius of cylinder = 6in

Volume  = 144πin³

Unknown:

Height of the cylinder  = ?

Solution:

The volume of a cylinder is the product of its base area and height;

   Volume of cylinder  = base area x height

The unknown parameter is the height and substitute for the parameters given;

         144π  = π x 6² x h

              144π  = 36πh

  Divide through by 36π and find h;

              h  = 4in

8 0
3 years ago
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