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eimsori [14]
3 years ago
9

- 3x + 5y = -2 2x - 2y = 1 Solve by elem inaction

Mathematics
1 answer:
Lyrx [107]3 years ago
4 0

Answer:

x=1/4 , y=-1/4. You can confirm this by substituting the numbers in.

Step-by-step explanation:

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Whose y-intercept is (0,6) and slope is 3?
GrogVix [38]

your answer is y=3x +6

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3 years ago
A model ocean liner is 12 inches long. If it is built to a scale of 1 in:300 ft., how long is the real ocean liner?
Amiraneli [1.4K]

Answer:

3600 ft

Step-by-step explanation:

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7 0
3 years ago
VERY URGENT HAVE A TEST TO TAKE
Daniel [21]
The easiest way is to try the point (-4,1), that is, x=-4, y=1,
to see which equation works.
b works.

The usual way to do it is to find the equation of the circle
standard form of a circle is (x-h)²+(y-k)²=r², (h,k) are the coordinates of the center, r is the radius. 
in this case, the center is (-2,1), so (x+2)²+(y-1)²=r²
the given point (-4,1) is for you to find r: (-4+2)²+(1-1)²=r², r=2
so the equation is (x+2)²+(y-1)²=2² 
expand it: x²+4x+4+y²-2y+1=4
x²+y²+4x-2y+1=0, which is answer b.

5 0
3 years ago
A computer repairman charges $30 to come to a home or office , plus $22 per hour of work.During one week, he visits 15 homes or
timofeeve [1]
31 hours.
first I times $30 by 15, an I got 450, then I got 1132 and took away 450 and I got 682, finally I divide 682 by 22 and got 31
3 0
3 years ago
Solve the following system of equations graphically.
V125BC [204]
(2,1)

I first used substitution to get my answer and then used graphing to check. You can easily get a graphing equation by rearranging the second equation.<span />
4 0
3 years ago
Read 2 more answers
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