Which expression is equivalent to mc015-1.j mc015-2.j mc015-3.j mc015-4.j mc015-5.j
2 answers:
You might be interested in
Answer:
P = 4s
Step-by-step explanation:
The perimeter of a geometric shape is simply the sum of all its sides length. Since the shape in question is a square, which means that all of the four sides have the same length 's', the perimeter can be expressed by:
For any value of 's', the formula above expresses the perimeter 'P' as a function of 's'
Answer:
<h2>-8</h2>Option D is the right option
solution,
Hope this helps...
Good luck on your assignment..
Answer:
The height of the arch at its center is 250/9 or about 27.78 feet.
Step-by-step explanation:
We can write an equation to model the parabolic arch.
Let the left-most point of the arch be the origin (0, 0).
Since the bridge has a span of 100 feet, the right-most point must be (0, 100).
We can use the factored form of a quadratic:
Where <em>p</em> and <em>q</em> are the <em>x-</em>intercepts.
Our <em>x-</em>intercepts are <em>x </em>= 0 and <em>x </em>= 100. Hence:
At a point 40 feet from the center, the height of the arch is 10 feet.
The center is <em>x</em> = 50. So, a point 40 feet from the center can be either <em>x</em> = 10 or <em>x</em> = 90.
So, for instance, when <em>x</em> = 10, <em>y</em> = 10. Substitute and solve for <em>a: </em>
<em /><em />
So:
The same value will result if we let <em>x</em> = 90 and <em>y</em> = 10.
Hence, our equation is:
The height of the arch at its center will be when <em>x</em> = 50. Hence: