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bellam302
11.11.2020 •
Mathematics
Angie and Kenny play online video games. Angie buys 1 software package and 1month of gameplay. Kenny buys 1 software package and 2 months of game play. Each software package costs $30. If their total cost is $90, what is the cost of one month of gameplay?
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Ответ:
$10
Step-by-step explanation:
Angie buys = 1 software package and 1month of gameplay.
Kenny buys = 1 software package and 2 months of game play.
Cost of each software package = $30. Total cost = $90
The total cost is the addition of what Kenny and Angie bought. This will be:
(1 SF + 1 G) + (1 SF + 2 G) = 90
where,
SF = software package = 30
G = game
(1 SF + 1 G) + (1 SF + 2 G) = 90
30 + 1G + 30 + 2G = 90
60 + 3G = 90
3G = 90 - 60
3G = 30
G = 30/3
G = 10
One month of game play cost $10
Ответ:
the main mast of a fishing boat is supported by a sturdy rope that extends from the top of the mast to the deck. if the mast is 20 feet tall and the rope attaches to the deck 15 feet away from the base of the mast, how long is the rope?
for your diagram:
draw a sailboat with the sail a right triangle.
label the height 20 feet and the "bottom" 15 feet.
then solve for c (the oblique line).