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guapka [62]
3 years ago
14

Write these equations in y=mx+b form....

Mathematics
1 answer:
nekit [7.7K]3 years ago
6 0
1. y = -1/2 + 2.
2. y= 2/5x - 4/5

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3 years ago
What is the radius of the circle defined by x2 + 2x + y2 + 6y − 39 = 0?<br> 49<br> 9<br> 7<br> 81
Bond [772]

radius = 7

the equation of a circle in standard form is

(x-a)² + (y-b)² = r²

where (a, b) are the coordinates of the centre and r is the radius

To obtain this form ' complete the square ' on both the x and y terms

x² + 2(1)x + 1 + y² + 2(3)y + 9  = 39 + 1 + 9

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7 0
3 years ago
Read 2 more answers
I really need some help
defon

Answer:

405,376

Step-by-step explanation:

the question is worded weirdly.

Its saying 37,700 copies were sold in one month and then that amount is 9.3% of books sold to date. So, its saying that 37,700 is only 9.3% out of 100%. To get the hundred i devided 37,700 into 9.3 to see how much 1% is. then i multiplied that by 100

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3 years ago
A rectangle has perimeter of 26 cm, and one of its sides has a length of 5cm. Sketch the rectangle and label all the side length
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Hopefully that helps. :)

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