Part A=B
part B=1480
if you add them up and multiply by 6 you get 1020
2500-1020=1440
The answer is 1. just subtract the fractions and boom. answer.
D = sqrt (x2 - x1)^2 + (y2 - y1)^2
d = sqrt (-8-7)^2 + (-9-(-1)^2
d = sqrt (-15^2)^2 + (-8^2)^2
I am getting : (-15^2) + (-8^2)
![\bf \begin{cases} x=t^2+2\implies x-2=t^2\implies \sqrt{x-2}=\boxed{t}\\\\ y=t^2-4\\ ----------\\ y=\left( \boxed{\sqrt{x-2}} \right)^2-4\implies y=x-2-4\\\\ y=x-6 \end{cases}](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Bcases%7D%0Ax%3Dt%5E2%2B2%5Cimplies%20x-2%3Dt%5E2%5Cimplies%20%5Csqrt%7Bx-2%7D%3D%5Cboxed%7Bt%7D%5C%5C%5C%5C%0Ay%3Dt%5E2-4%5C%5C%0A----------%5C%5C%0Ay%3D%5Cleft%28%20%5Cboxed%7B%5Csqrt%7Bx-2%7D%7D%20%5Cright%29%5E2-4%5Cimplies%20y%3Dx-2-4%5C%5C%5C%5C%0Ay%3Dx-6%0A%5Cend%7Bcases%7D)
just a plain vanilla substitution
Answer:
≈ 11.4 m
Step-by-step explanation:
The diagonal splits the rectangle into 2 right triangles , with legs 7 and 9 and the diagonal the hypotenuse.
Using Pythagoras' identity with h as the diagonal, then
h² = 7² + 9² = 49 + 81 = 130 ( take the square root of both sides )
h =
≈ 11.4 m ( to the nearest tenth )