wyznacz ze wzoru
a)V=vo+at wyznacz a
b)y=6x-4 wyznacz x
c)y=5+x/2 wyznacz x
d)e=m*g*h wyznacz m
e)r=a+b+c/2 wyznacz c


Odpowiedź :

Odpowiedź:

a) V = vo+at/-vo

V-vo = at/:t

a = [tex]\frac{V-vo}{t}[/tex]

b) y = 6x-4/+4

y+4 = 6x/:6

x = [tex]\frac{y+4}{6}[/tex]

c) y = 5+[tex]\frac{x}{2}[/tex]/*2

2y = 10+x/10

x = 2y-10

d) e = mgh/:gh

m = [tex]\frac{e}{gh}[/tex]

e) r = a+b+c/-a

r-a = b+c/-b

c = r-a-b

[tex]Zadanie\\\\a)\\\\V=v_0+at\ \ \mid-v_0\\\\V-v_0=at\ \ \mid:t\\\\\frac{V-v_0}{t}=a\\\\ a=\frac{V-v_0}{t}\\\\b)\\\\y=6x-4\ \ \mid+4\\\\y+4=6x\ \ \mid:6\\\\\frac{y+4}{6}=x\\\\ x=\frac{y+4}{6}\\\\c)\\\\y=\frac{5+x}{2}\ \ \mid\cdot2\\\\2y=5+x\ \ \mid-5\\\\2y-5=x \\\\x=2y-5\\\\d)\\\\e=m\cdot g\cdot h\ \ \mid:(g\cdot h)\\\\\frac{e}{g\cdot h}=m\\\\ m= \frac{e}{g\cdot h}[/tex]

[tex]e)\\\\r=\frac{a+b+c}{2}\ \ \mid\cdot2\\\\2r=a+b+c\ \ \mid-a\\\\2r-a=b+c\ \ \mid-b\\\\2r-a- b=c\\\\c=2r-a-b\ \ \ \ \ lub\ \ \ \ \ c=2r-(a+b)[/tex]