Both of the ones on the right represent functions
Hey there!
Formula for the area of a triangle is (1/2)bh.
Base of this triangle is 5, height is 4.
Image attached.
Plug values into the formula:
A = (1/2)(5)(4)
Simplify.
A = (1/2)(20)
A = 10
Area of the triangle is 10 units².
Hope this helps!
I'd suggest getting a Texas Instruments TI-84 plus calculator or use des mos .com scientific
The value of y = x(r -1)
Given expression is : <span>x+y-xr
Now, on rearranging the terms of the expression we get,
x -xr + y
Now, we put it equal to zero to find the value:
</span>x -xr + y = 0
⇒ y = xr -x (The signs changes on moving from left-hand side of the equation to the right hand side)
⇒ y = x(r -1)
The only solid <span>zero faces, zero bases, zero vertices, and zero edges is a sphere. The reason why is because it's just round, and it doesn't have anything, just a sphere.
Have a nice day! :)</span>
