Answer:
5
Step-by-step explanation:
2 log₃(x + 4) − log₃9 = 2
2 log₃(x + 4) − log₃3² = 2
2 log₃(x + 4) − 2 = 2
2 log₃(x + 4) = 4
log₃(x + 4) = 2
3^(log₃(x + 4)) = 3^2
x + 4 = 9
x = 5
Because the number is even, then the number of possible combinations will be: 110/2 = 55 let's consider a simpler example, the number: 10, then we have: 10+0, 9+1, 8+2, 7+3, 6+4, which is equal to 10/2 =5 combinations. Note: We are not considering permutations between the elements of the sum therefore 10+0, 0+10 counts as one combination.
(0,infinity) is the answer for that one I think... because y is undefined at x=0 so it’s not included in the interval so it is (0,infinity) with a parenthesis at 0 because it is not included in the interval
2x - 3(x-1) = -1
2x -3x + 3 = -1
-1x + 3 = -1
-1x = -4
x = 4
y = 4 - 1
y = 3
Answer:
28 ft
Step-by-step explanation:
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