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madreJ [45]
3 years ago
14

Oil-rich countries in the middle east cover about 4% of earth’s total land area but possess about 48% of the world’s known oil r

eserves. what is the main reason for the high concentration of reserves in this part of the world?
Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0
I'd say this high concentration is due to geological processes
Geological processes are things such as erosion, tectonic plate shifts, e.t.c.
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Henry has $21.50 to ride the trolley around San Francisco this week. It will cost him $0.50 every time he rides. Identify the de
myrzilka [38]

Answer:

Dependent: Cost of the ride.

Independent : Number of rides.

Step-by-step explanation:

The independent variable is the variable what we change and the dependent variable is the variables which changes because of that changes.

Here the total cost of ride changes for any change in the number of rides.

Hence, the number of rides is the independent variable and the total cost of ride is the dependent variable

5 0
3 years ago
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School newspaper staff went to three different sports games to survey students on their favorite sport, and the results are show
katen-ka-za [31]
The results are biased.  

When you go to a particular sporting event and ask someone their favorite sport, they are more likely to respond the sport that they're watching at that moment.  This creates bias.
3 0
3 years ago
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Which of the following functions has the largest value when x = 4?
Stells [14]
e(4)=4^2+6 \times 4+21=16+24+21=61 \\ \\
m(4)=8 \times 4=32 \\ \\
v(4)=31 \times 4=124

v(x) has the largest value when x=4.
3 0
2 years ago
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Simplify 8+5h-2+h-10+3h
Bogdan [553]

Answer:

-4+7h

Step-by-step explanation:

4 0
3 years ago
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I can't figure this out
andriy [413]
Suppose that equation of parabola is
y =ax² + bx + c


Since parabola passes through the point (2,−15) then 
−15 = 4a + 2b + c

Since parabola passes through the point (-5,-29), then
−29 = 25a − 5b + c

Since parabola passes through the point (−3,−5), then 
−5 = 9a − 3b + c


Thus, we obtained following system:
4a + 2b + c = −15
25a − 5b + c = −29
9a − 3b + c = −5

Solving it we get that 
a = −2, b = −4, c = 1

Thus, equation of parabola is
y = −2x²− 4x + 1

____________________

Rewriting in the form of 
(x - h)² = 4p(y - k)

i) -2x² - 4x + 1 = y

ii) -3x² - 7x = y - 11
(-3x² and -7x are isolated)

iii) -3x² - 7x - 49/36 = y - 1 - 49/36
(Adding -49/36 to both sides to get perfect square on LHS)

iv) -3(x² + 7/3x + 49/36) = y - 3
(Taking out -3 common from LHS)

v) -3(x + 7/6)² = y - 445/36 

vi) (x + 7/6)² = -⅓(y - 445/36) 
(Shifting -⅓ to RHS)

vii) (x + 1)² = 4(-1/12)(y - 445/36)
(Rewriting in the form of 4(-1/12) ; This is 4p) 


So, after rewriting the equation would be - 

(x + 7/6)² = 4(-⅛)(y - 445/36)

__________________

I hope this is what you wanted.

Regards,
Divyanka♪
__________________
6 0
3 years ago
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