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Masteriza [31]
3 years ago
9

The perimeter of a stop sign has a perimeter of 16x2 - 80x. What is the length of one side?

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0
Since a stop sign is an octagon it has eight sides.  So the perimeter will be:

p=8x,  p=perimeter and x=side length.  We are told that the perimeter is equal to:

16x^2-80x so we can say:

16x^2-80x=8x subtract 8x from both sides

16x^2-88x=0  factor out 8x

8x(2x-11), since we know x>0

x=11/2

x=5.5 units
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What are the domain and range of this function?
RUDIKE [14]
<h3>Answer: Choice D</h3>
  • Domain: all real numbers
  • Range: y \ge 1

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

Explanation:

The domain is the set of allowed x inputs. We can plug in any x value we want as the graph stretches on forever to the left and to the right. There aren't any division by zero errors or any issues like that to worry about, so that's why we don't kick out any x values from the domain.

The domain being all real numbers translates to the interval notation (-\infty, \infty) which is basically saying -\infty < x < \infty

-----------------------------------

The range is the set of y outputs possible. The graph shows that y = 1 is the smallest y output, so y = 1 or y can be greater than this.

In short, y \ge 1 is the range which converts to the interval notation [1, \infty) which is the same as saying 1 \le y < \infty

-----------------------------------

Extra info:

The equation of this absolute value function is y = |x|+1

8 0
3 years ago
Anyone please help me anyone
NARA [144]

Answer:

The third answer: x+1

Step-by-step explanation:

Remember when writing roots, the signs are backwards. This is because you start with (x-__) and fill in the root.

So for x = -1, it'll be written as (x+1) [aka (x- -1)]

For x = -3, it'll be written as (x+3)

For x = 5, it'll be written as (x-5)

The only answer that is one of these is the the third answer

7 0
2 years ago
The slope of the line below is -5. Which of the following is the point-slope
dalvyx [7]

Answer:

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Step-by-step explanation:

I think it is c because when i do inke pongki,it is at c, but i dont know how to plot the graph like this, what if u can teach me

6 0
3 years ago
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Natasha2012 [34]
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8 0
3 years ago
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Brrunno [24]
Marie is 5 years old

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l = 3m ---------------- y

sub y into x
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m = 5 years old
6 0
3 years ago
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