Mathematics, 17.05.2021 18:20 carcamophillip
5x + y = 13 ax-y=-7
In the system of equations above, a is a positive constant. If the graphs of the equations are perpendicular lines in the xy-plane, what is the value of a?
Enter β
Answers: 3
Mathematics, 21.06.2019 22:00
How do you write a paragraph proof to prove that the corresponding angles shown are congruent
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Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by Γ’β4 to get Γ’β16x Γ’β 4y = Γ’β80 multiply the second equation by Γ’β1 to get Γ’β4x Γ’β y = Γ’β20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by Γ’β1 to get Γ’β2x Γ’β 4y = Γ’β14
Answers: 1
Mathematics, 21.06.2019 23:00
The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.
Answers: 1
5x + y = 13 ax-y=-7
In the system of equations above, a is a positive constant. If the graphs of th...
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