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dangina [55]
3 years ago
5

Find dy/dx for the function y+4x²

Mathematics
1 answer:
docker41 [41]3 years ago
8 0

\dfrac{\partial }{\partial x}(y+4x^2)=0+8x=8x

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Can anyone answer 2 through 4 for me ?
Andreyy89
I know the answer for two.All you do is 9 times 3 times 2
4 0
3 years ago
A 12-foot by 15-foot patio is increased by placing a stone border around the patio. The width of the border is the same all arou
Arisa [49]

Complete question :

A 12-foot by 15-foot patio is increased by placing a stone border around the patio. The width of the border is the same all around the patio.The perimeter of the patio after it is expanded is 74 feet. The equation which represents x, the width of the border is 2[(12+2x)+15+2x)]=74. What is the width of the border?

1) 2 1/2 feet

2) 3 feet

4) 5 feet

5) 8 1/2 feet

Answer:

2.5

Step-by-step explanation:

Solving for X in the perimeter equation :

2[(12+2x)+15+2x)]=74

Open the bracket

2[(12 + 2x + 15 + 2x)] = 74

2(27 + 4x) = 74

54 + 8x = 74

8x = 74 - 54

8x = 20

x = 20/8

x = 2.5

Hence, width fo border = 2.5

5 0
2 years ago
Use the point (-6,-8) to give the six trigonometric functions
vfiekz [6]
You can't exactly get the trigonometric functions using a point unless it's a vector,

so tanx = -8/-6 = 4/3 and from it we can get the other functions

sinx = -4/5
cosx = -3/5
secx = -5/3
cscx = -5/4
cotx = 3/4
3 0
3 years ago
2 over 3 n =-12 what value of n makes the equation true?
galina1969 [7]

Answer:

-1/18

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP 10 POINTS
Ilia_Sergeevich [38]

Answer:

40

Step-by-step explanation:

180 degrees for a triangle. We add 87 and 53 degrees.

That equals 140. Again, back to 180 degrees. We minus 180 degrees with 140 degrees which equals:

40 degrees.

4 0
3 years ago
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