Answer:
Step-by-step explanation:
(x+1 = whatever the letter x represents the multiply it to 4 then do 2. - 3= -1 x 5= 4 + the sum of 1 and x times 4. Hope it helps <3
Answer:
226
Step-by-step explanation:
Use PEMDAS
Divide both sides by :
If , then
and more generally, for any integer ,
Answer:
A = 4x^2 + 120x
Step-by-step explanation:
(39+2x)(21+2x)-(39*21) = 819 + 78x + 42x + 4x^2 - 819
A = 4x^2 + 120x
Answer:
3017.54
Step-by-step explanation:
Volume for area of circle is A = Pie ( Or in this case 3.14 ) * radius ^ 2
Plug in the numbers 3.14 * 31 ^2
31 is half the diameter or the radius
Answer = 3017.54