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Mathematics 14 Online
OpenStudy (smart8thgrader):

Which of the following statements correctly describes the items shown below? https://app33.studyisland.com/pics/218789pic43.png The items have different rates of change but have the same steepness. The items have the same rate of change and have the same steepness. The items have different rates of change, and item I is steeper. The items have different rates of change, and item II is steeper

Nnesha (nnesha):

rate of change = slope y = mx + b slope intercept form where m is slope which is always with x and b is y-intercept

OpenStudy (smart8thgrader):

plz help @EclipsedStar

OpenStudy (smart8thgrader):

okay so what now

OpenStudy (smart8thgrader):

i am not good at this

OpenStudy (anonymous):

Find all sides of a right triangle whose perimeter is equal to 60 cm and its area is equal to 150 square cm. A.x + y + H = 60 : perimeter , x, y and H be the two legs and the hypotenuse of the right triangle B.(1/2)xy = 150 : area C.x2 + y2 = H2: Pythagora's theorem. D.3 equations with 3 unknowns. E.(x + y)2 - 2xy = H2 : completing the square in the third equation. F.x + y = 60 - H : express x + y using the first equation and use the second equation to find xy = 300 and substitute in equation 5. G.(60 - H)2 - 600 = H2 : one equation with one unknown. H.Solve for H to find H = 25 cm. Substitute and solve for x and y to find x = 15 cm and y = 20 cm.

Nnesha (nnesha):

first look at the equation y = -3x -1/8 what is m in this equation ?

OpenStudy (smart8thgrader):

is it A

OpenStudy (texaschic101):

In y = mx + b form, the slope is in the m position. The slope is the ate of change. So in y = -3x - 1/8......what number is in the m position,,,this is your slope

OpenStudy (texaschic101):

typo...oops....rate of change...not ate...lol

OpenStudy (smart8thgrader):

or D

OpenStudy (texaschic101):

just answer this first...what number is in the m position in y = -3x - 1/8

OpenStudy (smart8thgrader):

3 i think

Nnesha (nnesha):

|dw:1426968857955:dw| 3 is negative so -3

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