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Marysya12 [62]
2 years ago
8

Work out m and c for the line: 2x + 3y +1=0 m=c =​

Mathematics
1 answer:
Sergio [31]2 years ago
4 0

Answer:

m = - \frac{2}{3} , c = - \frac{1}{3}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

2x + 3y + 1 = 0 ( subtract 2x + 1 from both sides )

3y = - 2x - 1 ( divide terms by 3 )

y = - \frac{2}{3} x - \frac{1}{3} ← in slope- intercept form

with m = - \frac{2}{3} and c = - \frac{1}{3}

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Step-by-step explanation:

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3 years ago
Mel randomly selects a coin 150 times selecting a dime 30 times, the experimental probability is 1/5 what is the theoretical pro
Stolb23 [73]

Answer:

Step-by-step explanation:

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6 0
3 years ago
Explain and answer please throughlly explain. I got 7 with a remainder of 3 halp. I think its .73 idk.
kipiarov [429]

Answer:

H) 0.75

Step-by-step explanation:

4.5 divided by 6 is 0.75

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   ____._7___5_____________

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    4    .     2

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7 0
3 years ago
The length of a rectangle is 8 feet more than its width. If the width is increased by 4 feet and the length is decreased by 5 fe
bezimeni [28]
Assign the following variables for the origina3l rectangle:
let w = width let w + 8 = length and the area would be w(w + 8) = w² + 8w

No for the second rectangle:
let (w + 4) = width and (w + 8 - 5) or (w + 3) = length
Area = length x width or (w + 4)(w + 3) = w² + 3w + 4w + 12 using the foil method to multiply to binomials. Simplified Area = w² + 7w + 12

Now our problem says that the two area will be equal to each other, which sets up the following equation:

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7 0
3 years ago
If 2x+20 and 3x+20 makes a straight angke find value of x​
erma4kov [3.2K]

Answer:

x = 28

Step-by-step explanation:

The sum of the angles in a straight angle = 180°

Sum the angles and equate to 180

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5x = 140 ( divide both sides by 5 )

x = 28

3 0
3 years ago
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