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Mathematics 8 Online
OpenStudy (anonymous):

Nicolas is landing his small plane at a regional airport. The table below shows the altitude of the small plane in relation to the number of minutes into his descent. Time (in minutes) 2 4 6 8 10 Altitude (in feet) 5,500 4,400 3,300 2,200 1,100 What is the rate of change for the information in the table? A. 550 feet per minute B. -1,100 feet per minute C. -550 feet per minute D. 275 feet per minute

OpenStudy (anonymous):

Which of the following relations is a function? A. (2, 0), (-4, 3), (5, 1), (-4, 5) B. (2, 4), (-4, 2), (5, 1), (-7, 2) C. (5, 1), (-4, 4), (2, 1), (5, 2) D. (2, 4), (-4, 6), (2, 3), (-7, 2) @severus4ever @Cassie__Winfrey @Mr.ClayLordMath

OpenStudy (anonymous):

i think the first question is D. The second question is DEFINITELY B

OpenStudy (anonymous):

Triangle LMN is similar to triangle PQR, and the hypotenuses of the triangles both lie on line X. https://media.studyisland.com/pics/248045q1.png The slope of line X between (-7, 6) and (-4, 4) is - 2/3. What is the slope of line X between (-1, 2) and (5, -2)? A. - 3/2 B. 2/3 C. 3/2 D. - 2/3

OpenStudy (anonymous):

@severus4ever

OpenStudy (anonymous):

B

OpenStudy (anonymous):

https://media.studyisland.com/userfiles/pa11numlinepi.gif At what position on the number line is the red dot located? √pie √5 pie √3

OpenStudy (anonymous):

C

OpenStudy (anonymous):

@severus4ever

OpenStudy (anonymous):

B

OpenStudy (anonymous):

Which of the following best describes the equation below? https://media.studyisland.com/cgi-bin/mimetex.cgi?y%20 \%20=%20\%20-\frac{4}{9}x%20\%20+%20\%2012 A. linear B. neither linear nor nonlinear C. nonlinear D. both linear and nonlinear

OpenStudy (anonymous):

A

OpenStudy (anonymous):

Which of the following best describes the solution to the equation below? 4x + 11 = 4x + 21 A. no real solutions B. infinite real solutions C. exactly one real solution, X= 1 1/4 D. exactly one real solution, X= 2 5/8

OpenStudy (anonymous):

@severus4ever

OpenStudy (anonymous):

A

OpenStudy (anonymous):

Which of the following best describes the parallelograms shown below? https://media.studyisland.com/pics/249493q2.png A. Parallelogram 1 and parallelogram 2 are similar because parallelogram 2 can be created by rotating, reflecting, and/or translating and dilating parallelogram 1. B. Parallelogram 1 and parallelogram 2 are congruent because parallelogram 2 can be created by rotating, reflecting, and/or translating and dilating parallelogram 1. C. Parallelogram 1 and parallelogram 2 are similar because parallelogram 2 can be created by rotating, reflecting, and/or translating parallelogram 1. D. Parallelogram 1 and parallelogram 2 are congruent because parallelogram 2 can be created by rotating, reflecting, and/or translating parallelogram 1.

OpenStudy (anonymous):

i think it is D

OpenStudy (anonymous):

At Sandy's Beauty Salon, a haircut costs $15.00 and a permanent costs $30.00. Which graph represents the amount of revenue the salon will earn in one day for x haircuts? W. https://media.studyisland.com/pics/159744q6haircuts4.png X. https://media.studyisland.com/pics/159744q6haircuts3a.png Y. https://media.studyisland.com/pics/159744q6haircuts2a.png Z. https://media.studyisland.com/pics/159744q6haircuts1.png A. W B. Y C. Z D. X

OpenStudy (anonymous):

i have no idea

OpenStudy (anonymous):

sorry

OpenStudy (anonymous):

Timothy asked a group of middle school students whether or not they have a bicycle and whether or not they have a skateboard. The two-way table below shows the data collected. Bicycle No Bicycle Total Skateboard 32 10 42 No Skateboard 29 29 58 Total 61 39 100 Which correlation does the two-way table suggest? A. Those who do not have a skateboard tend to have a bicycle. B. Those who have a skateboard tend not to have a bicycle. C. None of the correlations listed are correct. D. Those who do not have a skateboard tend not to have a bicycle.

OpenStudy (anonymous):

@severus4ever

OpenStudy (anonymous):

C

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