Answer:
The perimeter of the triangle is about 17.1 units.
Step-by-step explanation:
The perimeter of a triangle is the sum of its three side lengths.
We can see that the two legs of the triangle both measure five units.
To find the third segment, we can use the Pythagorean Theorem since the <em>x-</em>axis is perpendicular to the <em>y-</em>axis. Recall that:

Where <em>a</em> and <em>b</em> are the two legs and <em>c</em> is the hypotenuse.
Our two legs are 5 and 5. Hence:

Solve for the hypotenuse:

Hence, our perimeter will be:

In conclusion, the perimeter of the triangle is about 17.1 units.
I'll do the first graph.
We can easily find the y intercept by inputting 0 for x.
y = -2(0) + 7
y = 7
The y-intercept is (0, 7)
To find the x intercept, isolate x.
y = -2x + 7
Add 2x to both sides.
2x + y = 7
Subtract y from both sides.
2x = -y + 7
Divide by 2 on both sides.
x = -1/2y + 3.5
Input 0 for y.
x = -1/2(0) + 3.5
x = 3.5
The x intercept is (3.5, 0)
Now try the rest own your own! :)
Answer:
either A or D
Step-by-step explanation:
but i think its D