Answer:
-25+17k
Step-by-step explanation:
Distribute:
-5(1-5k)-4(2k+5)
-5+25k-8k-20
Combine like terms:
-25+17k
Hope this helps, please mark brainliest :)
Answer: In the last steps, instead of multiply each side by 3, he has to divide each side by 3.
Step-by-step explanation:
Hi, Tobin makes the mistake in the last steps.
3(x-1.25) = 11.25
3x-3.75= 11.25
3x-3.75+3.75= 11.25+3.75
3x = 15
Until this step is the work ok.
Now, instead of multiply each side by 3, he has to divide each side by 3:
So:
3x /3 = 15/3
x = 5
Feel free to ask for more if needed or if you did not understand something.
Answer:
summation
Step-by-step explanation:
This symbol is the summation symbol
It means to sum what comes after it
The points in the graph are (-1,0) and (3,0). I solved the equation using the Factoring method in solving quadratic equations. As I solved for finding x= -1 and 3, I substituted both to the equation in order to find y.
1) surface area = 18m^2 * pi * 26m = <span>8424pi m^2</span>