xxaurorabluexx
11.11.2020 •
Mathematics
AB=4x + 2, BC=3x - 1, AC=9x - 11
solve for x
Solved
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Ответ:
9514 1404 393
x = 6
Step-by-step explanation:
AB +BC = AC
(4x +2) +(3x -1) = (9x -11)
7x +1 = 9x -11
12 = 2x . . . . . . . . add 11-7x
6 = x . . . . . . divide by 2
__
Check
AB = 4x+2 = 4(6)+2 = 26
BC = 3x-1 = 3(6) -1 = 17
AC = 9x -11 = 9(6) -11 = 43 = 26+17 . . . answer checks OK
Ответ:
Renting a vehicle when there are 5 cars, 3 vans, and 10 sports utility vehicles available
Step-by-step explanation:
Creating a stuffed animal when there are 6 animals, 3 fur colors, and 12 clothing themes available
This condition requires multiplication or factorials to determine outcomes
Renting a vehicle when there are 5 cars, 3 vans, and 10 sports utility vehicles available
This situation requires the addition counting principle to determine the number of possible outcomes as there is only one car to be picked so all the numbers 10+5+3 = 18 will be added to get the possible outcomes ..