Answer:
8
Step-by-step explanation:
2^3 is the same as 2 x 2 x 2
2 x 2 is 4 and 4 x 2 is 8
so 2^3 is 8
Use the formula 42600 ÷ (6.9 ÷<span> 100) to calculate this !
</span>42,600 ÷ (6.9 ÷ 100) = <span>617391.304348. Round this to 617391 since you can't sell a percentage of a book.
</span>
To check this, calculate 6.9 percent of 617391.304348. 0.069 · 617391.304348 = 42,600.
Answer:
48.
Step-by-step explanation:
To find the missing number write out the equation :
67 + 65 + ? = 180.
67 + 65 = 132
To find out how much more we need you can minus 132 from 180.
180 - 132 = 48.
Plug it in to see if it works.
67 + 65 + 48 does equal 180.
Hope this helps,
Davinia.
Answer: -657,987
Step-by-step explanation:
Answer:
The base reduces at 3.75cm/min
Step-by-step explanation:
Given
Let
So:
The area of a triangle is:
Calculate b when 
Solve for b
We have:
Differentiate with respect to time
Substitute the following values in the above equation
Multiply both sides by 2
Collect like terms
Divide both sides by 8
