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Marrrta [24]
3 years ago
9

I) 43x + 31y = 98 31x + 43y = 50

Mathematics
1 answer:
Neko [114]3 years ago
4 0

There are no solutions to the given system of equations.

Hope this helps.

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X - y = 2<br> 4x – 3y = 11
swat32

Answer:

<u><em>For x - y = 2</em></u>

You need to find x or y in one of the equations and then substitute that into the other.

So we have;

x-y=2

4x-3y=11

We will take the first equation and find x;

x-y=2

add y to both sides;

x-y+y=2+y

x=2+y

Now we take that answer and substitute it forx in the other equation;

 

4(2+y)-3y=11

8+4y-3y=11

8+y=11

y=3

Now we have what y equals, so we use it in the first equation to find x;

x-3=2

x=5

So we have;

x=5; y=3

Hope you understand!

=)

<u><em>And for 4x – 3y = 11</em></u>

Multiply the first equation by 2 and the second by 3 so that there are the same number of y's in each:

8x - 6y = 22    ...(3)

30x + 6y = -3  ...(4)

 Now add (3) and (4) term by term:

38x + 0 = 19

or

38x = 19

or x = 1/2

Put this back into equation (1)

4*(1/2) - 3y = 11

or

2 - 3y = 11

Subtract 2 from both sides:

-3y = 9

 Divide both sides by -3

y = -3

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3 years ago
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Round 8.923 to the nearest half.
Furkat [3]

Answer:

8.923 to the nearest half is 8.9

Step-by-step explanation:

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Find x in the following 45°-45°-90° right triangle. Geometry!!! pls help
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Answer:

6

Step-by-step explanation:

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Solve the equation for k in terms of h.<br> (h-3k)/2k=-3/4
tatuchka [14]

(h-3k)/2k=-3/4

h-3k=-6k/4

4h-12k=-6k

-12k=-6k-4h

-6k=-4h

Solution: k=2/3h

I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!

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What is five multiplied by six hundred ten
Vlad [161]
It's three thousand and fifty
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