PLS PLS PLS PLS PLS PLS HELP I NEED THIS QUICK BY THIS FRIDAY!!!!!

Mathematics

2 answers:

kvv77 [185]3 years ago

6 0

12) 9 that would be the answer

abruzzese [7]3 years ago

4 0

10. -1,-6
11. 1,6
12. 9
13. 6
14. 18

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Perform the addition or subtraction and simplify. (20 points)

pentagon [3]

You have to find the LCD or least common denominator.
In this case the LCD would be (x-6)(x+5).

Problem: x/ x-6 - 1/x+5

Step 1: multiply x-6 to the numerator and denominator of 1/x+5

1(x-6)/ (x+5)(x-6)

Step 2: multiply x+5 to the numerator and denominator of x/x-6
x(x+5)/ (x+5)(x-6)

After all that, this is how the problem should look now

x(x+5)/ (x-6)(x+5) - 1(x-6)/ (x-6)(x+5)

If you simplify this you get

x²+5x-x+6/ (x-6)(x+5)

If you subtract both 5x-x (like terms) you get

x²+4x+6/ (x-6)(x+5)
which is the answer

7 0

3 years ago

Find the absolute minimum and absolute maximum of f(x,y)=14−7x+10y f(x,y)=14−7x+10y on the closed triangular region with vertice

Black_prince [1.1K]

Answer:

Maximum value of f(x,y) at (10,13)=74

Minimum value of f(x,y) at (10,0)=-56

Step-by-step explanation:

We are given that

$f(x,y)=14-7x+10y$