Answer:
option b
Step-by-step explanation:
Answer:
37
Step-by-step explanation:
you subtract the amount of wood he'll be adding because that isnt what we're looking for. That should equal 407 square feet then you divide that by 11 which equals thirty seven
Answer:
"all real numbers."
Step-by-step explanation:
Subtract 13 from both sides, obtaining -5x = -5x.
This result is true for all x, so the solution set is "all real numbers."
Answer:
4a^2+4a+3ab
-4+-√16-48b/8
and then continue like this
the solution should be like a1=...b/a2=...b
Answer: 1456
Step-by-step explanation:
For this problem, there is a short cut you can use to solve it. In order to understand the meaning of summation, I will do it the long way to show how a summation works. This sum is from n=1 to n=6. We plug in the values of n into the expression, then add together the sums.
n=1
4(3)¹⁻¹
=4(3)⁰
=4
-------------------------------------------------------------------
n=2
4(3)²⁻¹
=4(3)¹
=12
-------------------------------------------------------------------
n=3
4(3)³⁻¹
=4(3)²
=4(9)
=36
-------------------------------------------------------------------
n=4
4(3)⁴⁻¹
=4(3)³
=4(27)
=108
-------------------------------------------------------------------
n=5
4(3)⁵⁻¹
=4(3)⁴
=4(81)
=324
-------------------------------------------------------------------
n=6
4(3)⁶⁻¹
=4(3)⁵
=4(243)
=972
-------------------------------------------------------------------
Now that we have all our values, we can add them together to get the sum.
4+12+36+108+324+972=1456
The sum is 1456. You can also notice that the values multiply by 3 each time.