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11111nata11111 [884]
3 years ago
12

What is 800, thousand rounded to the nearest hundreds thousands

Mathematics
1 answer:
vaieri [72.5K]3 years ago
6 0
800,000 rounded to the nearest 100,000 would be 800,000
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(a)5%)Let fx, y) = x^4 + y^4 - 4xy + 1. and classify each critical point Find all critical points of fx,y) as a local minimum, l
lara31 [8.8K]

f(x,y)=x^4+y^4-4xy+1

has critical points wherever the partial derivatives vanish:

f_x=4x^3-4y=0\implies x^3=y

f_y=4y^3-4x=0\implies y^3=x

Then

x^3=y\implies x^9=x\implies x(x^8-1)=0\implies x=0\text{ or }x=\pm1

  • If x=0, then y=0; critical point at (0, 0)
  • If x=1, then y=1; critical point at (1, 1)
  • If x=-1, then y=-1; critical point at (-1, -1)

f(x,y) has Hessian matrix

H(x,y)=\begin{bmatrix}12x^2&-4\\-4&12y^2\end{bmatrix}

with determinant

\det H(x,y)=144x^2y^2-16

  • At (0, 0), the Hessian determinant is -16, which indicates a saddle point.
  • At (1, 1), the determinant is 128, and f_{xx}(1,1)=12, which indicates a local minimum.
  • At (-1, -1), the determinant is again 128, and f_{xx}(-1,-1)=12, which indicates another local minimum.
4 0
3 years ago
Which of the following is a graph of y=3/2x2
Tanya [424]
Here is a table that you can use to graph y=3/2x^2
x -2, -1, 0, 1, 2
y 6, 1.5, 0, 1.5, 6
8 0
3 years ago
Please help, I need to solve for m. a=f/m
omeli [17]
You dived f out m and you should get a/f=m
3 0
3 years ago
3. Basket A had 7 times as many plums as basket B at first. Zoe put 58 more plums in each
asambeis [7]

Answer:

87 many more plums are there in Basket A than Basket B

Step-by-step explanation:

Before

N = 58/2

Basket A = N x 7 + 58

Basket B = N x 7

Now

Basket A = 29 x 7 + 58

= 261/3

= 87

Basket B =  29 x 7

= 203 + 58

= 261/3

= 87

Basket A and B has a difference of 87 Plums

:) Thank you!!

4 0
3 years ago
A corporate team building event costs $2 for every attendee. If there are 8 attendees how much will the corporate team building
lesantik [10]

Answer:

16$

Step-by-step explanation:

8 times 2 is 16

I hope this helps!!!

7 0
3 years ago
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