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padilas [110]
2 years ago
10

Y=−2x+1 x−3y=11 find the solution using elimination.

Mathematics
1 answer:
yawa3891 [41]2 years ago
3 0

Answer:

Step-by-step explanation:

Using first equation in the second gives you

x-3(-2x+1)=11

x+6x-3=11

7x-3=11

7x=14

x=2, making y=-2x+1 become

y=-2(2)+1

y=-4+1

y=-3 so the solution is the point

(2,-3)

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600 can be written as 2 × b × co
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Answer:

a = 3, b = 3, c = 5 and d = 2.

Step-by-step explanation:

The prime factorization of 600 is 2^3 * 3 * 5^2

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1 year ago
3. The perimeter of a rectangular playing field is 504 yards. The area of the
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The perimeter is twice the sum of the length and the width:

P = 2(w+l)

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So, the system is

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rotation of 90 degrees counterclockwise about the origin, point O, then a reflection across the x-axis reflection across the y-a
SpyIntel [72]

Answer:

The point O can be (x,y)  or (-x,y) or (-x,-y) or ( x,-y) reason being that you haven't given point O lies in which quadrant.

Rotation through 90° counter clockwise

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(-x,y)=(-y,-x)

(-x,-y)=(y,-x)

(x,-y) =(y,x)

Then Reflection across X axis has taken place.

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Then a reflection across the y-axis has taken place.

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Then a translation a units to the right and b units up has taken place.

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(y,x) =(y+a, x+b)

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Then a rotation of 180 degrees counterclockwise about the origin has taken place.

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Now Again a reflection across the Y axis has taken place.

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[-(-y+a),-(x+b)]=[(-y+a),-(x+b)]

[-(-y+a),-(-x+b)]=[(-y+a),-(-x+b)]

Totally depends on value of a and b on which quadrant these point lies.



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