System of equations:
L1: 4=a+b
L2: 7=4a-2b
-3(x+4)+16=6-5x
-3x-12+16=6-5x |+5x
2x+4=6 |-4
2x=2 | :2
x=1
−40/45 +1.875=-40/45+1875/1000=-40/45+15/8=71/72
a bag contain 15 white beads and 12 black ones. If i take two beads out of bag at random, one at a time and without replacing first, find probability thaat both are the same colour
Die komplette Lösung:
I'm sorry. I have not seen the minus.
f(x) = 1 / (- sqrt(x-4) )
find it's domain and image
3x+3x+2x=180°
8x=180° | :8
x=22,5°
3x=67,5°
2x=45°
log base 3 (x) = log base 5 (125)
Ich habe Dir mal den Rechenweg aufgeschrieben. So wird es Dein Physiklehrer sehen wollen.
