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2 years ago

3 more after this please answer

Mathematics

2 answers:

xxTIMURxx [149]2 years ago

8 0

2.38

0.7
3.4
——
2.38

Since they’re 2 decimal places in the problem. Move the answer’s decimal place twice.

barxatty [35]2 years ago

3 0

Answer:

I'm pretty sure its 2.38

Step-by-step explanation:

If you do the math 0.7 times 3.4 you get 2.38

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Follow the directions to solve the system of equations by elimination. 8x + 7y=39 4x – 14y = -68

harina [27]

Step-by-step explanation:

Hey there!

Here;

The equations are;

$8x + 7y = 39.......(i)$

$4x - 14y = - 68..........(ii)$

Multiplying equation (i) by 2.

16x + 14y = 78

4x - 14y = -68

20x = 10

$x = \frac{10}{20}$

x = 1/2.

Putting value of 'x' in equation (i).

$8 \times \frac{1}{2} + 7y = 39$

$4 + 7y = 39$

$7y = 3 9 - 4$

$y = \frac{35}{7}$

Therefore the value of y is 5.

Check:

Put value of x and y in equation (i).

8x + 7y = 39

$8 \times \frac{1}{2} + 7 \times 5 = 39$

$4 + 35 = 39$

$39 = 39$

(True).

Therefore, the solution is ; (1/2,5).

Hope it helps...

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Step-by-step explanation:

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JulsSmile [24]

Answer:

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Step-by-step explanation:

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