Mathematics, 05.12.2020 07:30 bsrlee1115
The Johnson family is trying to conserve energy by having lights on in the house no more than 105 minutes a day. If they have already used 30 minutes in one day which inequality could be used to find the number of minutes the Johnson's have remaining?
A. x + 150 30
C. x + 30 > 150
D. x + 30 < 150
Answers: 2
Mathematics, 21.06.2019 16:20
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
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Mathematics, 21.06.2019 16:50
The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled
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The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.
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The Johnson family is trying to conserve energy by having lights on in the house no more than 105 mi...
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