75% of the whole length is 30 cm
(30x100)/75=40cm
So a=40 cm
Answer:
A) a+bi
Explanation:
Rectangular form of complex numbers is written as a+bi, where a and b are integers.
Rectangular form always has an integer piece, a, and a complex piece, bi.
Answer:
i genuinlly dont know what you mean
Step-by-step explanation:
Answer: 0
Step-by-step explanation: you just have to divide a little bit then you just multiply.
Answer:
2.9g/ml
Step-by-step explanation:
mass of the rock:130g
volume of the rock:45ml
d=m/v
d=130g/45ml
d=2.9g/ml
