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Anit [1.1K]
3 years ago
14

Can someone help me with this it's

Mathematics
2 answers:
koban [17]3 years ago
8 0

Answer:

hi

Step-by-step explanation:

hi

tigry1 [53]3 years ago
4 0
For the band teacher one the answer is 24 because you subtract 10 of the actual order because it is shipping and it’s the whole order and then you divide 360 by 15 and then you get ANSWER:24
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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

6 0
3 years ago
Read 2 more answers
Help me on this question, I'll give brainlist for the correct answer.
german

Answer:

Step-by-step explanation:

The first expression has value 12

The second expression has value -6

The third expression has value

4

And finally the forth expression has value 1.14

((13 + 7) = 20

(12+4) = 16

16/ (20 - 16)= 16 / 4

16/4 = 4

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3 years ago
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As mercury revolves around the sun, it travels at a speed of approximately 30 miles per second. Convert this speed to kilometers
Elza [17]
30*1.6 = 48 km per second

48 * 2 = 96 kilometres
6 0
3 years ago
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Hellllllllllllllllllllllllllp me plzzzzz
anzhelika [568]

D. 7 miles

Step-by-step explanation:

26.5/4 =6.62

So the best estimate is 7 miles

4 0
3 years ago
Determine the equation of the circle graphed below. <br> Please help, thanks
marusya05 [52]

Answer:

If you are finding the equation using two points then the answer is

y = −2 x + 1

If this does not help, just ignore honestly.

4 0
2 years ago
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