6)x-7+10 7)3+x+1 8)8x-16 9)x/2-9
Answer:
All of the rugs are the same size after making the cuts. The vertical line goes down the center of the rectangle, making two congruent parts. The diagonal line also splits the rectangle into two congruent parts because the area of a right triangle is exactly half the area of the rectangle.
Step-by-step explanation:
4 square root of 6 means 4 times
so the equation is
we can simplify this as a fraction
remember that
so
so it is now
Perimeter
Well the square would be 18+18+13+13 = 62. And the rectangle would be 12+6+12+6 = 36
So combined they would be 62+36 = 98
Area
18 x 13 = 234 for the square and 12 x 6 = 72 for the rectangle which altogether is 234+72= 306
Step-by-step explanation:
f(x) = x² + 6x + 12
= (x² + 6x + 9) + 3
= (x + 3)² + 3.
Since a² >= 0 for all real values of a,
(x + 3)² >= 0 for all real values of x,
(x + 3)² + 3 >= 3 for all real values of x.
Hence f(x) >= 3. (Shown)