Answer:

Step-by-step explanation:
Given


Required
Determine the percentage of the shaded cubes
First, we calculate the number of boxes:

Express as multiplication


This implies that there are 20 cubes in the box.
The percentage of the shaded cubes is:





<em>30% were shaded</em>
the Answer is 4 do order of operations
Step-by-step explanation:
9.1k=64.7
Find k
64.7/9.1=7
Plug in 7
9.1(7)=64.7
Multiply 9.1 and 7=63.7
63.7=64.7
Divide
1.02 or 1 1/50
Hope that helps somewhat
Answer:
0
Step-by-step explanation:
10(x-2)=-20
10x-20=-20
10x=0
x=0
Answer:
9x-9
Step-by-step explanation:
the expression on the left simplifes to be 9x-8 so anything other than that will not produce a solution
examples: 9x+1, -9x-8, 10x+3, 12x . . .