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bulgar [2K]
3 years ago
12

1 + 4 = 5 2 + 5 = 12 3 + 6 = 21 5 + 8 = ?

Mathematics
2 answers:
Karolina [17]3 years ago
6 0
45


Hope this helps!!!!
Anni [7]3 years ago
6 0

Answer:

:)

Step-by-step explanation:

45

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

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Find the 2 critical points of the given function and then determine whether it is a local maximum, local minimum, or saddle poin
grandymaker [24]

Answer:

Step-by-step explanation:

Given is a function f in two variables as

f(x, y) = (x − y)(xy − 9)

To find critical points of the given function and also to find max, min or saddle point.

Find the partial derivatives

f(x,y) = x^2y-xy^2-9x+9y

f_x=2xy-y^2-9\\f_y =x^2-2xy+9\\f_{xy}  =2x-2y = f_{yx}

f_{xx}=2y\\ f_{yy}=-2x

Equate first derivatives to 0

Adding fx and fy we get

x^2-y^2 =0\\

x=±y

Only real roots are (x,y) =(3,3) and (-3,-3)

D(3,3)=f_{xx}(3,3) f_{yy}(3,3)-f_{xy}^2(3,3) \\=-36-0

(3,3) is a saddle point

D(-3,-3) = -36

(-3,-3) is also a saddle point.

7 0
3 years ago
Consider the following 8 numbers, where one labelled x is unknown. 42, 47, 5, x , 18, 12, 50, 1 Given that the range of the numb
Dahasolnce [82]
<h3>The two possible values for x are x = 60 and x = -9</h3>

===========================================================

Explanation:

Let's assume that x is the largest value of the list. If so then x = 60 because

range = max - min

range = x - 1

range = 60-1

range = 59

Effectively, you work backwards to go from a range of 59 to have x = 60 as the max.

So x = 60 is one possible value. We can't have x any larger or the range would be larger.

But we can have x be smaller. Specifically, it would be the min of the list. If negative x values are allowed, then x = -9 is the other possible x value

Here's why

range = max - min

range = 50 - x

range = 50 - (-9)

range = 50+9

range = 59

3 0
3 years ago
For the triangle shown below, complete the following table.
dem82 [27]

Answer:

Step-by-step explanation:

In the given triangle

With reference angle A

perpendicular (P) = 3

hypotenuse (h) = 5

So  sin A = p/h = 3/5

and

With reference angle C

perpendicular (p)=  4

hypotenuse (h) = 5

Sin C = p/h = 4/5

hope it helps :)

3 0
4 years ago
What is the area of a rectangle with side lengths of 5/12 ft and 2/3ft
pentagon [3]

Answer:

5/18

Step-by-step explanation:

Area formula = length times width. 5/12x2/3 = 5/18.

7 0
2 years ago
Felipe and Makayla each tried to solve the same equation for x.
pogonyaev
Hay esta la respuesta

3 0
3 years ago
Read 2 more answers
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