X ∈ (real numbers symbol not in brackets) : 0<x<17.89 and 18.61<x
the answer is a becuse you tacke that little dot and you slid it to the left tow times
4a + 5a - 15 = 2 + 3a
6a = 17
a = 17/6
The answer is 59,280 . To find you multiply 40 x 39 x 30 which 59,280
Answer:11.5cm, 23cm, 34.5 cm, 69cm
Step-by-step explanation:
1+2+3+6=12
138/12=11.5
First side=11.5cm
Second side=11.5x2=23cm
Third side=11.5x3=34.5cm
Fourth side=11.5x6=69cm