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Bogdan [553]
3 years ago
15

Write the slope intercept form of the equation of each line y+5=-4/5(x-4)

Mathematics
1 answer:
Leona [35]3 years ago
8 0

Answer:

y=-4/5x+3.2-5

Step-by-step explanation:

Start by multiplying -4/5 by everything in the Perenthises, These> ()

Which gives you y+5=-4/5+3.2

Then you rearange the equation to where y is alone, so move the five to the other side of the equal sign (Remember: When changing sides, the signs always change)

Then you'll get the slope intercept form: y=-4/5x+3.2-5

Hope I helped!

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A farmer creates a rectangular pen using part of the wall of a barn for one side of the pen and a total of 130 feet of fencing f
Nat2105 [25]

The equation that describes the which gives the area of the pen, A, as a function of x, the length of fence parallel to the barn is A = 130x - x²

<h3>How to find area of a rectangle?</h3>

The pen is rectangular. Therefore,

area of a rectangle = lw

where

  • l = length
  • w = width

Therefore,

perimeter = 2w + l

perimeter = 2w + x

130 = 2w + x

130 - x = 2w

w = 65 - 1/ 2 x

A = xw

A = x(65 - 1/ 2 x)

A = 65x - 1 / 2 x²

Therefore, the function that represents A, the area of the pen is as follows:

A = 130x - x²

learn more on rectangle here: brainly.com/question/12685460

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8 0
2 years ago
I need help with this PLEASE!!
pishuonlain [190]

Answer:

didn't u already answer this already

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Step-by-step explanation:

8 0
3 years ago
Gretchen made a paper cone to hold a gift for a friend. The paper cone was 15 inches high and had a
Softa [21]

Answer:

123b

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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SCORPION-xisa [38]

The answer is D. p=4

4 0
2 years ago
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Find constants a and b such that the function y = a sin(x) + b cos(x) satisfies the differential equation y'' + y' − 7y = sin(x)
Elza [17]
The first thing we must do in this case is find the derivatives:
 y = a sin (x) + b cos (x)
 y '= a cos (x) - b sin (x)
 y '' = -a sin (x) - b cos (x)
 Substituting the values:
 (-a sin (x) - b cos (x)) + (a cos (x) - b sin (x)) - 7 (a sin (x) + b cos (x)) = sin (x)
 We rewrite:
 (-a sin (x) - b cos (x)) + (a cos (x) - b sin (x)) - 7 (a sin (x) + b cos (x)) = sin (x)
 sin (x) * (- a-b-7a) + cos (x) * (- b + a-7b) = sin (x)
 sin (x) * (- b-8a) + cos (x) * (a-8b) = sin (x)
 From here we get the system:
 -b-8a = 1
 a-8b = 0
 Whose solution is:
 a = -8 / 65
 b = -1 / 65
 Answer:
 
constants a and b are:
 
a = -8 / 65
 
b = -1 / 65
4 0
3 years ago
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