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lesantik [10]
2 years ago
13

Answer two questions about Systems A and B:System A x+3y=−9 2x+y=4 System B 3x+4y=−9 2x+y=4

Mathematics
1 answer:
Jet001 [13]2 years ago
6 0

Answer:

A=(21/5,-22/5) B=(5,-6)

Step-by-step explanation:

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Write the equation in standard form for the circle with center (0, -6) and radius 7.
LUCKY_DIMON [66]

Step-by-step explanation:

the equation of circle is given by

(x - h) {}^{2} + (y - k) {}^{2}  =  {r}^{2}  \\ (x - 0) {}^{2}  +  {(y + 6)}^{2}  =  {7}^{2}  \\  {x }^{2}  +  {y}^{2}  + 12y + 36 = 49 \\  {x  }^{2}  +  {y}^{2}  + 12y = 13

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2 years ago
What does x and y equal in this equation x+y=6
lyudmila [28]
The correct answer to this problem is
C=3
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3 years ago
Note: We can only use the expanded power rule when there isn't any addition or subtraction. In the example below you need to mul
Simora [160]
21 hope this helps and your welcome
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3 years ago
GEOMETRY PLEASE HELPPP!! WILL MARK BRAINLIEST
MaRussiya [10]
I think the answer is the 3rd rectangle but I'm not too sure I'm sorry
4 0
3 years ago
Read 2 more answers
Special right triangles: what is the value of x? enter your answer in the box.
tiny-mole [99]
I think you meant to add more to your question (posting the specific problem).
In general, one special right triangle is the <span>45°-45°-90° triangle, in which both legs are congruent and the hypotenuse = √2 * the length of the leg. if you happen to not have the length of the leg, the formula for finding the leg is:  leg = hypotenuse / √2

Another special right triangle is the </span><span>30°-60°-90° triangle. With this kind of triangle the length of the hypotenuse is twice the length of the shorter leg. The length of the longer leg is √3 times the length of the shorter leg.
hypotenuse = 2 * shorter leg
longer leg = √3 * shorter leg</span>
7 0
3 years ago
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