Mathematics, 06.12.2021 20:20 nisazaheer
A group of 60 students are randomly selected to take a one-minute fitness test using a jump rope. Thirty students are in first
grade and 30 students are in seventh grade.
The following statistical information is calculated using the number of jumps completed in one minute.
Based on these samples, what generalization can be made?
1st Grade
Students
7th Grade
Students
Mean
132
107
Median
105
101
Range
72
63
A. Seventh grade students can complete more jumps than first grade students.
B. First grade students can complete more jumps than seventh grade students.
C. Not enough information is provided to draw any of these conclusions,
D. First grade students can complete the same number of jumps as seventh grade students.
Answers: 3
Mathematics, 21.06.2019 18:30
[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?
Answers: 1
Mathematics, 21.06.2019 22:00
For [tex]f(x) = 4x + 1[/tex] and (x) = [tex]g(x)= x^{2} -5,[/tex] find [tex](\frac{g}{f}) (x)[/tex]a. [tex]\frac{x^{2} - 5 }{4x +1 },x[/tex] ≠ [tex]-\frac{1}{4}[/tex]b. x[tex]\frac{4 x +1 }{x^{2} - 5}, x[/tex] ≠ ± [tex]\sqrt[]{5}[/tex]c. [tex]\frac{4x +1}{x^{2} -5}[/tex]d.[tex]\frac{x^{2} -5 }{4x + 1}[/tex]
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Mathematics, 21.06.2019 23:00
Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.
Answers: 1
Mathematics, 21.06.2019 23:30
If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?
Answers: 2
A group of 60 students are randomly selected to take a one-minute fitness test using a jump rope. Th...
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