Answer:
Một cm3 của khối kim loại đó cân nặng số gam là:
22,4:3,2=7(g)
Một khối kim loại cùng chất có thể tích là 4,5cm3 cân nặng số gam là:
7x4,5=31,5(g)
Step-by-step explanation:
Answer:
x+4=20 is a solution to 5(x+4)=100.
Step-by-step explanation:
Following PEMDAS, divide 5 from both sides of the equation 5(x+4)=100, and you have x+4=20 remaining.
This means that both equations have the same solution.
Answer:
Step-by-step explanation:
I think this is it but you question want super clear
A = C/2r
Answer: What is the question lol?
Step-by-step explanation:
Answer:2/11
Step-by-step explanation:
A fraction is in simplest form when the top and bottom cannot be any smaller
Firstly start by getting the common factors between 1 and 4 in 1/4 and 11 and 8 in 11/8. The common factor is 1 in 1/4 and 1 in 11/8. 1÷1/4÷1= 1/4. 11÷1/8÷1 = 11/8.
1/4÷ 11/8 =2/11.