10. Multiply 5.25 by 2. So the answer is C 10.50
m = ρ v
m = (0.492 g / mL) * 163.5 mL
m = 80.442 g
rounded to nearest hundredth:
m = 80.44 g
Answer:
1) 16x -4
2) 7x + 45
Step-by-step explanation:
1 ) 6x + 2(5x -2)
we are going to open the bracket
we have,
6x + 10x - 4
16x -4
4(4x - 1).................................................... simplified
number 2
7x + 3(8+7)
7x +24 + 21
7x + 45........................................................... simplified
so therefore the solution to the first and 2nd question is
1) 16x -4
2) 7x + 45
