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8_murik_8 [283]
3 years ago
8

Pleasee, whats the substitution of 9x+2y=-3 and -9x-y=-3

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer: (1,-6)

Step-by-step explanation:

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A ladder leaning against the side of a building touches the building at a point 12 meters from the ground. If the foot of the la
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I think the slope =21 m
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6 0
2 years ago
I really need help
Zielflug [23.3K]

Answer:

The answer is (C)

The equation of the circle is (x + 4)² + (y - 6)² = 81

Step-by-step explanation:

* To find the equation of the circle you need to know

  the center of the circle and the length of its radius

* The rule of the equation of the circle is:

  (x - h)² + (y - k)² = r²

  Where x and y is a general point on the circle,

  h and k are the coordinates of the center of the circle

  and r is the radius of the circle

∵ The center of the circle is (-4 , 6)

∵ The radius of the circle is 9

∴ (x - -4)² + (y - 6)² = 9²

∴ ( x + 4)² + (y - 6)² = 81

∴ The answer is (C)

3 0
3 years ago
a rectangular playground has a preimeter of 180 feet.if the length is 12 feet longer than the width, what are the dimensions of
jeka94
Perimeter = w + w + l + l
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4 0
3 years ago
A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors: blue, green, yellow, or pink. the store p
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The answer is: 16
Explanation:
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3 years ago
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Answer:

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Step-by-step explanation:

5 0
3 years ago
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