<span>=<span><span><span><span>(8)</span><span>(4)</span></span>−4</span>+5
</span></span><span>=<span><span>32−4</span>+5
</span></span><span>=<span>28+5
</span></span><span>=<span>33</span></span>
Hello,
Let's suppose y'=y-3
and x'=x-5
Parabola become y'²=8x' whose focus is (8/4,0)=(2,0)
y=y'+3==>y=0+3=3
x=x'+5==>x=2+5=7
Focus is (7,3)
Rem for parabola y²=kx focus is (k/4,0)
Answer:
79% decrease
Step-by-step explanation:
Subtract 6400-1344=5056
Find percent decrease (5056/6400)x100=79
79% decrease is our final answer
the y intercept is 3 and the x intercet is 0
this is because it is a straight horizontal line and will never cross the line, meaning there is no slope. So if you were to put this into slope intercept form it would be y=3
Robin’s number ------------ Y
Sydney’s number ------------ x
Y = X + 8.............. (1)
X + Y = 72 ............(2)
Substituting (1) in (2)
X + (X + 8) = 72 .............> ......2X = 64 => X = 32
Now in (1)
Y = (32) + 8 = 40
Robin is 40
Sydney is 32