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Salsk061 [2.6K]
2 years ago
14

How do humans interact with the geosphere? Explain

Mathematics
1 answer:
tresset_1 [31]2 years ago
8 0

Answer:

there are many ways

Step-by-step explanation: we walk on the crust of our earth interact with rocks, and some glasses are made of molten lava. which is also from a specific layer of earth (sorry, dont remember which) and some people drill in the mines and maybe even get lower than the crust. i hope this helps :/

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HELP!!
leonid [27]

Answer:

The focus point is (2 , 0) ⇒ answer D

Step-by-step explanation:

* Lets revise the equation of the parabola in standard form

- The standard form is (x - h)² = 4p(y - k)

- The focus is (h, k + p)

- The directrix is y = k - p

- If the parabola is rotated so that its vertex is (h , k) and its axis of

 symmetry is parallel to the x-axis, it has an equation of

 (y - k)² = 4p(x - h)

- The focus is (h + p, k)

- The directrix is x = h - p

* Lets solve the problem

∵ The equation of the parabola is y = 1/8(x² - 4x - 12)

- Lets make x² - 4x completing square

∵ √x² = x  

∴ The 1st term in the bracket is x

∵ 4x ÷ 2 = 2x

∴ The product of the 1st term and the 2nd term is 2x

∵ The 1st term is x

∴ the second term = 2x ÷ x = 2

∴ The bracket is (x - 2)²

∵  (x - 2)² = (x² - 4x + 4)

∴ To complete the square add 4 to the bracket and subtract 4 out  

  the bracket to keep the equation as it

∴ (x² - 4x + 4) - 4 = (x - 2)² - 4

- Lets put the equation after making the completing square

∴ y = 1/8 [(x - 2)² - 4 - 12]

∴ y = 1/8 [(x - 2)² - 16] ⇒ multiply both sides by 8

∴ 8y = (x - 2)² - 16 ⇒ add 16 to both sides

∴ 8y + 16 = (x - 2)² ⇒ take from the left side 8 as a common factor

∴ 8(y + 2) = (x - 2)²

∴ The standard form of the equation of the parabola is

   (x - 2)² = 8(y + 2)

∵ The standard form of the equation is (x - h)² = 4p(y - k)

∴ h = 2 , k = -2 , 4p = 8

∵ The focus is (h , k + p)

∵ h = 2

∵ 4p = 8 ⇒ divide both sides by 4

∴ p = 2

∴ The focus = (2 , -2 + 2) = (2 , 0)

* The focus point is (2 , 0)

6 0
3 years ago
I need help ASAP anyone
Lilit [14]

Answer:

12%

Step-by-step explanation:

I = Prt

r = I/Pt

r = 792 / 2200(3)

r = 0.12

3 0
3 years ago
Functions
Illusion [34]
I’m not sure but maybe true
3 0
3 years ago
Evaluate the expression when a=1\4 and b=6. -8ab
tester [92]

Answer:

-12

Step-by-step explanation:

-8 * ( 1/4) * (6)

= -12

4 0
3 years ago
Read 2 more answers
HELP I NEED HELP ASAP
victus00 [196]

Answer: (5, -2)

Step-by-step explanation:

y= x-7\\2x+y=8

Substitute x-7 for y in 2nd equation

2x+ x-7 =8\\3x-7=8\\3x = 15\\x=5

Solve for y

y=5-7\\y=-2

8 0
3 years ago
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