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Gala2k [10]
3 years ago
6

HURRY !!!!!

Geography
2 answers:
Helga [31]3 years ago
6 0

This is what I think...

1. B, Pycnocline

2. D, Blue.

3. A, At the surface of the Atlantic Ocean.

Rudik [331]3 years ago
5 0
Thermocline I guess
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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
What is the Petoskey Stone, and where was it found?
DENIUS [597]
Its a rock and a fossil .
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3 years ago
Which geographical feature formed the northern border of the Mauryan Empire?
nika2105 [10]

Answer:

Option (B)

Explanation:

The Maurya Empire was one of the famous and largest empire in India in its historical time. It was originated by Chandragupta Maurya, the person who had dethrown the Nanda Dynasty. He was very powerful and expanded his territory in almost all parts of India. This empire was remarkable for the regular and successful administrative system and also the finance system that eventually lead to the production and development of its economy.

The Maurya empire was bordered by the great mountains of Himalaya on its northern side.

Thus, the correct answer is option (B).

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Stars in the universe
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The answer is B for that question
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Cliff collapse can cause land with houses, schools or places of work to be severely damaged or destroyed, this can result in people having to relocate which can cause express and sentimental distress (the impact of this is often greater on the elderly or families). Businesses that have been damaged / destroyed may have to close or make some people redundant if the economic impact on them was high; this has a large economic affect on the individual and any people dependent on them (e.g. Children / elderly parents) but this will also affect the entire community as there will be drops in the local economy which creates a multiplier affect.
Often coastal areas are tourism honeypot sites, if the cliff collapse causes lots of the sites tourists are interested in to be destroyed (e.g tourism shops, caravan sites) then lots of people employed in tourism may be may redundant, this has a wider affect than you may think (e.g. businesses that support this tourism such as companies that make scuba diving kit, dairies which provide milk for I've creams etc).
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