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Rina8888 [55]
3 years ago
10

Whats the answer for y=-

{2}{3}" align="absmiddle" class="latex-formula">x+4 and y=\frac{1}{3}x-2
Mathematics
1 answer:
Over [174]3 years ago
7 0

Step-by-step explanation:

y = -\frac{2}{3}x + 4

y = \frac{1}{3}x - 2

Since both equations are set equal to y, we can take the right-hand side of each equation and set them equal to each other to solve for x:

-\frac{2}{3}x + 4 = \frac{1}{3}x - 2

-\frac{2}{3}x - \frac{1}{3}x = -2 - 4

-x = -6

x = 6

Now we can plug this value into either equation to solve for y:

y = \frac{1}{3}x - 2

y = \frac{1}{3}(6) - 2

y = 2 - 2

y = 0

So the solution to the system of equations is (6, 0)

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Suppose that the functions s and t are defined for all real numbers x as follows.
jeka94

Answer:

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

Step-by-step explanation:

Given functions are:

s(x)= x+6\\t(x)= 4x^2

We have to find:

(s.t)(x) => this means we have to multiply the two functions to get the result.

So,

(s.t)(x) = s(x)*t(x)\\= (x+6)(4x^2)\\=4x^2.x+4x^2.6\\=4x^3+24x^2

Also we have to find

(s-t)(x) => we have to subtract function t from function s

(s-t)(x) = s(x) - t(x)\\= (x+6) - (4x^2)\\=x+6-4x^2

Also we have to find,

(s+t)(-3) => first we have to find sum of both functions and then put -3 in place of x

(s+t)(x) = s(x)+t(x)\\= x+6+4x^2

Putting x = -3

= -3+6+4(-3)^2\\=-3+6+4(9)\\=3+36\\=39

Hence,

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

8 0
3 years ago
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