Mathematics, 17.12.2020 05:50 krystalhurst97
Which of the following correlation coefficients best describes the correlation between hours of exercise and resting heart rate? *
2 points
r = -0.4
r = 0.89
r = -0.92
r = 0.18Study the graph.
If a student graphed the line shown, which of the following equations did the student use?
A
y=14x−1
B
y=−14x−1
C
y=4x−1
D
y=−4x−1
Answers: 3
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 20:30
Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0
Answers: 1
Mathematics, 21.06.2019 22:00
The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds
Answers: 3
Mathematics, 22.06.2019 01:20
The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}
Answers: 2
Which of the following correlation coefficients best describes the correlation between hours of exer...
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