T = varsta tatalui
f = varsta fiului
anul acesta: t = 4 x f
peste 20 de ani: t+20 = 2 x (f+20)
=> 4 x f +20 = 2 x f + 2 x 20
4 x f - 2 x f = 2 x 20 - 20
2 x f = 20
f = 10
anul acesta fiul are 10 ani
peste 5 ani fiul va avea...
Answer:
Root:(-⅗,0)
vertical intercept:(0,5)
Step-by-step explanation:
I'm sorry may be that's the only answer
3p-8=13-4p
+4 +4
so now you got 7p-8=13
+8 +8
and now you have 7p=21 and how many times does 7 go in to 21 and you should get p=3 and there you go
29/5 should be the correct answer
Answer:
Top left: x^2 +8x +15
Top right: x^2 +3x -18
Bottom left: x^2 -3x -18
Bottom right: x^2 -10x +16
Step-by-step explanation: