I would say to round 48 to 50 and then multiply 50 x 3=150 or if you do 48x3=144 then estimate it to about 140
Answer:
5(x+8)
Step-by-step explanation:
To factorise
5x+40
The value common to the two is 5
5(x+8)
The final answer is
5(x+8)
Answer:
1. a) B = 3.14 × 4² = 50.24 cm²
b) 16 cm
c) V = B.h = 50.24 × 16 = 803.84cm³
2. a) B = 3.14 × 8² = 200.96 cm²
b) 6 cm
c) V = B.h = 200.96 × 6 = 1205.76 cm³
Answer:
BC = 5 m
AC = 3.66 m
Step-by-step explanation:
Using the sin rule,
AB×sin C = BC×Sin A
5√2 × Sin 30 = a sin 45
3.5355 = BC sin 45
BC = 3.5355/sin 45
= 5 m
AC × sin 105 = 5√2 × sin 30
AC = 3.5355/sin 105
= 3.66 m