Mathematics, 20.07.2019 16:10 idk9329
Find the coordinates of the vertices formed by the system of inequalities.
x + y ≤ 9
y - 2x ≥ -21
y ≥ -4x + 15
a (6, -9), (10, -1), (2, 7)
b (-9,- 6), (-1, 10), (7, 2)
c (-30, -21), (-6, -9), (6, 15)
d (-6, -9), (6, -3), (-12, -21)
Answers: 2
Mathematics, 21.06.2019 15:10
The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.
Answers: 1
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Find the coordinates of the vertices formed by the system of inequalities.
x + y ≤ 9
y...
x + y ≤ 9
y...
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