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choli [55]
3 years ago
5

WILL MARK BRAINLIEST PLEASE HELP

Mathematics
1 answer:
Otrada [13]3 years ago
7 0
Slope is 6 you can fine this by using the slope formula of rise over run or you can just in this equation divide the y by the x coordinate to find the slope of 6
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Find the instantaneous rate of change of the surface area s ! 6x2 of a cube with respect to the edge length x at x ! a
joja [24]

The instantaneous rate of change is simply equivalent to the first derivative of the equation or function. We are given the equation of Surface Area (A) with respect to side (x):

A = 6 x^2

Taking the first derivative of the equation:

dA = 12 x dx

dA / dx = 12 x

Now the term dA / dx is the instantaneous rate of change in the surface area with respect to the side length. To get the rate of change when the side x = a, simply plug this in into the equation:

rate of change = dA / dx = 12 x

so when x = a:

<span>rate of change = 12 a</span>

7 0
3 years ago
Read 2 more answers
The question is below in the image. I am trying to contact expert on graph theory as well to help me solve some questions, pleas
melisa1 [442]

Answer:

i think you can just multlpy x2

Step-by-step explanation:

4 0
3 years ago
(-9a? +12a - 10)+(9a? +10)<br><br> I need help with this test
stiks02 [169]
I think the answer would just be 12a because -9a? And +9a? Would cancel out and the -10 and +10 would cancel out so all that is left is the 12a
7 0
3 years ago
Read 2 more answers
A pair of shoes bought by your friend amounted to (3x-5y+2z)² dollars. How much does it really cost?
kati45 [8]
We need to multiply 3x-5y+2z by itself.
I break it down by each term. We'll first do 3x. It is positive.

3x(3x-5y+2z)
3x×3x=9x²
3x×-5y=-15xy
3x×2z=6xz
9x²-15xy+6xz
Now -5y.

-5y(3x-5y+2z)
-5y×3x=-15xy
-5y×-5y=25y²
-5y×2z=-10yz
25y²-15xy-10yz
Now 2z.

2z(3x-5y+2z)
2z×3x=6xz
2z×-5y=-10yz
2z×2z=4z²
4z²+6xz-10yz

Now we need to add all of them together.
(9x²-15xy+6xz)+(25y²-15xy-10yz)+(4z²+6xz-10yz)
We need to add like terms. 
9x²+12xz+25y²-20yz+4z²-30xy
Now order them by degrees.

25y²+9x²+4z²+12xz-20yz-30xy is the cost.
7 0
4 years ago
Three numbers have a mean of 12 and a mode of 9. What are the three numbers?
Oksanka [162]

Answer:

The three numbers are : 9, 9 and 18

Step-by-step explanation:

Since the mean is 12 the sum of the three numbers must be 36. This is because:

(let the three numbers be x y and z)

(x+y+z)/3=12

(x+y+z)=12*3

(x+y+z)=36

And since the mode is 9 two of the numbers must be 9.

So to find the third number;

9+9+z=36

z=36-18

z=18

7 0
3 years ago
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