Mathematics, 14.01.2022 06:40 angiew
Shanika and Vanesa are comparing their electric bills for the past month. Shanika is on a standard use plan and Vanesa is on an interval use plan. Each person’s usage is listed on the chart below: Standard Use Plan Interval Use Plan 7. 5 cents/kWh for the first 400 kWh 10 cents/kWh for the next 400 kWh 12. 5 cents/kWh for anything over 800 kWh On-peak hours - 15 cents/kWh Off-peak hours - 3 cents/kWh Both women use 1,325 kWh for the given 30 day period. Vanesa uses 500 kWh during on-peak hours and 825 during off-peak hours. Which person ends up paying more for their utilities? How much more? a. Vanesa pays $35. 88 more than Shanika. B. Vanesa pays $99. 75 more than Shanika. C. Shanika pays $35. 88 more than Vanesa. D. Shanika pays $99. 75 more than Vanesa.
Answers: 2
Mathematics, 21.06.2019 16:00
Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined
Answers: 1
Mathematics, 21.06.2019 18:30
At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
Answers: 2
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
Shanika and Vanesa are comparing their electric bills for the past month. Shanika is on a standard u...
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