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lana66690 [7]
3 years ago
9

Use the following terms to describe the challenging environment of west and central Africa : Deforestation, desertification, mal

aria
Mathematics
1 answer:
Neporo4naja [7]3 years ago
3 0
Ecological issues in Africa are caused by anthropogenic consequences for the African regular habitat and impactsly affect people and almost all types of endemic life. Issues like desertification, deforestation, issues with access to safe water supply, populace blast and fauna exhaustion. The extensive scale falling of trees and the subsequent reductions in woods territories are the principle ecological issues of the African Landmass. Widespread clearing of woods and land transformation continues for farming, settlement and fuel needs. In the Vote based Republic of the Congo, desertification is fundamentally caused by the necessities of the poor residents, alongside unsupervised logging and mining. In Ethiopia, the fundamental driver is the nation's developing populace, which actuates an expansion in horticulture, animals generation, and fuel wood. Malaria in a hotter West Africa. Intestinal sickness hazard in West Africa is required to fall (western district) or continue as before (eastern area) in light of environmental change over the twenty-first century.
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Any one know how to find the roots of an equation?
soldier1979 [14.2K]
So what you do is
make into ax^2+bx+c=0 form

add-9/2 to both sides
y^2-2y+9/2=0
now we use the quadratice formula which is
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

ax^2+bx+c=0
1y^2-2y+9/2
a=1
b=-2
c=9/2
subsitute
x=\frac{-(-2)+/- \sqrt{(-2)^{2}-4(1)(9/2)} }{2(1)}
x=\frac{2+/- \sqrt{4-(36/2)} }{2}
x=\frac{2+/- \sqrt{4-(18)} }{2}
x=\frac{2+/- \sqrt{-14} }{2}
x=\frac{2+/- \sqrt{-14} }{2}
x=1+/- \frac{\sqrt{-14} }{2}
x=1+/- \frac{\sqrt{14} \sqrt{-1}}{2}
x=1+/- \frac{\sqrt{14} i }{2}
x=1+/- \frac{ i \sqrt{14} }{2}

answer is C



6 0
3 years ago
33 divided by 33 solved in long division
asambeis [7]
This is how you solve it

4 0
3 years ago
Yul has lunch at a restaurant. The bill is $14.50 and the sales tax amount is 5%. If he wants to leave a 20% tip after the sales
jek_recluse [69]

Answer:

The tip will be $3.05.

The bill will cost $18.28 with the tip and tax.

Step-by-step explanation:

14.50 + 5% (or 0.73) = 15.23

15.23 + 20% (or 3.05) = 18.28

5 0
3 years ago
Below is the justification for the formula for area of a circle. Which word, when placed in the blank best completes this argume
mote1985 [20]

Answer:

The correct answer is option A.  r

Step-by-step explanation:

From the figure we can see a circle and a parallelogram.

The circle is divided into a small sectors and these sector then arranged into a parallelogram.

The base of the parallelogram is half the circumference.

The height of parallelogram is equal to the radius of the given circle. Here radius is 'r'.

Therefore the correct answer is option A.   r

8 0
3 years ago
Read 2 more answers
Would I have to add all of them or multiply I can’t remember how to do it nor if I actually learned this.
nirvana33 [79]

Answer:

Multiply Length times Width times Height.

Step-by-step explanation:

sq root 24 x sq root 18 x sq root 8 = 58.78

5 0
3 years ago
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