Mathematics, 06.07.2021 07:00 oylermorgan7687
Solve the following systems of equations. Express your answer as an ordered pair in the format (a, b) with no spaces between the numbers or symbols
2x+7y=-7
-4x-3y=-19
Answers: 1
Mathematics, 21.06.2019 12:30
Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters
Answers: 1
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 21:30
50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.
Answers: 3
Solve the following systems of equations. Express your answer as an ordered pair in the format (a, b...
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
Mathematics, 11.03.2020 02:32
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