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3 years ago

If the discount rate is 20%, how much would the discount be on a pair of boots that cost $75?

1 answer:

3 0

20% of off $75 is $60.

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swat32

There are infinitely many solutions.

Algebraically, we can eliminate $z$ and try to solve for $x,y$ :

$x+y+z=1\implies z=1-x-y$

Then

$x^2+y^2+(1-x-y)^2=1$

$\implies x^2+y^2+1-2x+x^2-2y+y^2+2xy=1$

$\implies x^2-x+y^2-y+xy=0$

which is the equation of an ellipse.

5 0

3 years ago

erica [24]

You divide 42 by 7 which equals 6

4 0

3 years ago

vlabodo [156]

F(x) = x^2 + 1 f(10)
f(10) = 10^2 + 1
f= 101

7 0

3 years ago

cupoosta [38]

Answer: x= 3

Step-by-step explanation:

15x-25+2=22

15x-25=25

15x=50

x=3.333333

x=3

6 0

2 years ago

Sergeu [11.5K]

The answer is letter B

5 0

3 years ago