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Allushta [10]
3 years ago
7

Show how you got y answers

Mathematics
1 answer:
trasher [3.6K]3 years ago
3 0

Answer:

y = x - 3

Step-by-step explanation:

3x - 3y = 9

3x - 9 = 3y

x - 3 = y

y = x - 3

Then plug and chug for y by entering the given x values

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Simplify (5r^2t)^2(3r^0t^4)
Snezhnost [94]
Answer


75r^4 t^2 + 25r^4 t^6
8 0
3 years ago
Please help me with this!<br><br><br> show that {1,2} ⊆ {x|x^4 - x^3 - x^2 - 5x + 6 = 0}
Llana [10]

The set \{x\mid x^4-x^3-x^2-6x+6=0\} is the set of all values of x that are solutions to the given equation. So all you need to do is check whether x=1 and x=2 satisfy the equation.

x=1\implies 1^4-1^3-1^2-5+6=0

x=2\implies2^4-2^3-2^2-10+6=0

The equation holds, so both 1 and 2 are solutions, and hence \{1,2\} is a subset of the solutions.

6 0
3 years ago
Line t has an equation of y=10x-8. Line u is perpendicular to line t and passes through (-10,-6). What is the equation of line u
Pachacha [2.7K]

Answer: y=-\frac{1}{10} x-7

Step-by-step explanation: The slope of a perpendicular line is always negative and the reciprocal (opposite fraction) of the regular slope so the slope would be -\frac{1}{10}. If the line passes through (-10,-6) then the y intercept would be (0,-7) because every time x goes 10 right y goes down 1 because of the slope.

4 0
1 year ago
Find the axis of symmetry for this parabola
mariarad [96]

The axis of symmetry is 1.

To find this, do -b/2a, putting -8 in the place of b and -4 in the place of a. Proceed to solve to get 1.

The equation provided is vertex form, so to find the needed components, you need to solve for the vertex. To do so, implement 1 in as x and solve for the vertex.

The vertex is 1, -16.

(y - 16) = -4(x - 1)^2

Although it is not exactly vertex form, the only difference is that instead of it being +k at the end, it is subtracted with the y.

Hope this helps!

7 0
3 years ago
Solve a/3 + 4 = 6<br> a=
Andru [333]

Answer:

a = 6

Step-by-step explanation:

Given

\frac{a}{3} + 4 = 6 ( subtract 4 from both sides )

\frac{a}{3} = 2 ( multiply both sides by 3 to clear the fraction )

a = 6

7 0
3 years ago
Read 2 more answers
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