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3 years ago

9

What is the source of the Nile? A. the Blue Nile and the White Nile B. the Khartoum River C. the highlands of West Africa D. the

Mediterranean Sea

1 answer:

nevsk [136]3 years ago

6 0

B didkfidjdidjddudhdudhdudhdudhdjd

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3. 11x-7y=-14. X-2y=-4

pshichka [43]

11x -7y= -14 (1)
x -2y= -4 (2)

Multiply (2) by 11, we have:
11x -22y= -44 (3)

Take (1)-(3), we have:
(11x-11x)+ (-7y-(-22y))= -14-(-44)
⇒ -7y+22y= -14+44
⇒ 15y= 30
⇒ y= 30/15
⇒ y= 2

x= -4+ 2y= -4+ 2*2= 0

The final answer is x=0, y=2~

4 0

3 years ago

Read 2 more answers

Calculate the surface area of each polyhedron. Pls!! Show work

Alinara [238K]

Answer:

384 m^2

Step-by-step explanation:

Surface area of cube = area of 1 side x 6

area of 1 side, in this case = 64 m^2

so, total surface area = 64 x 6 = 384 m^2

7 0

3 years ago

Can someone please help me

ser-zykov [4K]

Answer:

3.5

Step-by-step explanation:

You can set up a proportion where "x" is equal to the number of peanuts for every one raisin.

$\frac{4}{14} = \frac{1}{x}$

From there you cross multiply.

4x = 14

x = 7/2 or 3.5

6 0

3 years ago

What is 3.5% of 11? Round to the nearest hundredth (if necessary).

ivann1987 [24]

0.385 because u do 0.035 times 11=0.0385

3 0

4 years ago

Read 2 more answers

Solve for each inequality. <br><br> 8 ≤ x - (-14)<br> 31 ≥ b - (-18)<br> -5 < n + (-1)

Gennadij [26K]

Answer:

$8 \leqslant x - ( - 14) \\ 8 \leqslant x + 14 \\ 8 - 14 \leqslant x + 14 - 14 \\ - 6 \leqslant x \\ x \geqslant - 6$

___o__o__

$31 \geqslant b - ( - 18) \\ 31 \geqslant b + 18 \\ 31 - 18 \geqslant b + 18 - 18 \\ 13 \geqslant b \\ b \leqslant 13$

__o__o__

$- 5 < n + ( - 1) \\ - 5 < n - 1 \\ - 5 + 1 < n - 1 + 1 \\ \\ - 4 < n \\ n > - 4$

I hope I helped you^_^

5 0

3 years ago