Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
2748a<br />
2400<br />
12<br />
pris per bok<br />
⋅ 20 = 4000 kr<br />
2749a<br />
55 + 5⋅ 35 = 230 kr<br />
2750a<br />
2000 + 250⋅ 5 = 3250 kr<br />
2751<br />
(Vi har en slags "likformighet")<br />
R 5<br />
B 8<br />
=<br />
2753a<br />
2 2<br />
A= π (2 r) −<br />
π r<br />
<br />
Hela<br />
A= 4πr<br />
−πr<br />
2<br />
A= 3π<br />
r<br />
2 2<br />
Vita<br />
2755a<br />
3<br />
2 1 4πr<br />
V = π r ⋅ r+<br />
⋅<br />
cylinder 2 3<br />
halv sfär<br />
3 3<br />
6πr 4πr<br />
V = +<br />
6 6<br />
10πr 5πr<br />
V = =<br />
6 3<br />
2756a<br />
3 3<br />
3:<br />
1: a 2: a<br />
e <br />
S = a + ( a+ 1) + ( a+<br />
2)<br />
S = a+ a+ 1+ a+<br />
2<br />
S = 3a+ 3= 3( a+<br />
1)<br />
LÖSNINGAR DEL B<br />
2752a<br />
60 + 1,4(100 − 95)<br />
67<br />
2<br />
2753b<br />
A= 4r⋅2r−πr Rektangel Cirkel<br />
2 2<br />
A= 8r<br />
−πr<br />
2<br />
A= r (8 −π)<br />
2748b<br />
b bp<br />
⋅ p = kr<br />
N N<br />
<br />
pris / bok<br />
2749b<br />
55 + na ⋅ = (55 + na) kr<br />
2750b<br />
K = a+ b⋅t K = a+ bt<br />
2752b<br />
60 + 1,4(85 − 95)<br />
46<br />
2753c<br />
2<br />
A= π r − r⋅r Cirkel Rektangel<br />
2 2<br />
A= π r −r<br />
2<br />
A= r ( π −1)<br />
(Observera att radien i<br />
cirkeln är r)<br />
2755b<br />
2 π ⋅<br />
V = π r ⋅ h+<br />
3<br />
3π<br />
π<br />
V = +<br />
3 3<br />
2<br />
4π<br />
rh<br />
V =<br />
3<br />
2<br />
r h<br />
2 2<br />
rh rh<br />
2756b<br />
1: a 2: a 3:<br />
e<br />
S = ( a− 1) + a + ( a+<br />
1)<br />
S = a− 1+ a+ a+<br />
1<br />
S =<br />
3a<br />
54<br />
2752c<br />
p= 60 + 1,4( x−95)<br />
2753d<br />
A= 5 a⋅4a−3 a⋅2a stora rekt lilla rekt<br />
2 2<br />
A= 20a −6a<br />
2<br />
A= 14a<br />
(Lilla rektangeln har<br />
måtten 3a×2a)
Change language