Answer:
52 units²
Step-by-step explanation:
A = L × W
Area = Length × Width
First find the total area: 44
Half that to find the total left side that is shaded: 22
Find the bottom right side, imagine it is a seperate shape. It would be 4 × 2 = 8. 44 + 8 = 52.
- Educator
Answer:
D
Step-by-step explanation:
30x-100=120x
30x-120x=100
<u>-90x</u><u>=</u><u>1</u><u>0</u><u>0</u>
Given the equation:

You know that the radioactive substance has this half-life (in years)

And:

Therefore, you can rewrite the equation in this form in order to find "k":

Solve for "k":
Answer:
B) 35
Step-by-step explanation:
35 is less than 50 and it's a factor of 70, a multiple of 5 and 7 is 35 just by multiplying the numbers it will give you that answer.