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BigorU [14]
3 years ago
11

Solvethe following linear Equations152x-378y=-74-378x+152y=604​

Mathematics
1 answer:
Ainat [17]3 years ago
3 0

Answer:

x=2& y=1

Step-by-step explanation:

check it out

whether answer is correct or not

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Find f(g(x)) and g(f(x)) 1. F(x) = X²-3x+1 g(x)=5x-7
Mariana [72]

We are given the following functions

\begin{gathered} f(x)=x^2-3x+1 \\ g(x)=5x-7 \end{gathered}

Let us first find f(g(x)

Substitute x = 5x - 1 into the function f(x) and simplify

\begin{gathered} f(g(x))=(5x-7)^2-3(5x-7)+1 \\ f(g(x))=(25x^2-2\cdot5x\cdot7+49)^{}-15x+21+1 \\ f(g(x))=25x^2-70x+49^{}-15x+22 \\ f(g(x))=25x^2-70x-15x+49+22 \\ f(g(x))=25x^2-85x+71 \end{gathered}

Now let us find g(f(x))

Substitute x = x² - 3x + 1 into the function g(x) and simplify

\begin{gathered} g(f(x))=5(x^2-3x+1)-7 \\ g(f(x))=5x^2-15x+5-7 \\ g(f(x))=5x^2-15x-2 \end{gathered}

Therefore, f(g(x) and g(f(x)) are

\begin{gathered} f(g(x))=25x^2-85x+71 \\ g(f(x))=5x^2-15x-2 \end{gathered}

5 0
2 years ago
Plzzz help super easy and I'm running out of time!!!
11Alexandr11 [23.1K]

Answer:

y = 2x -5

Step-by-step explanation:

Given points: (0,-5)  (1,-3)

(x1, y1) = (0,-5)

(x2, y2) = (1,-3)

Calculate the slope:

m = (y2 - y1)/(x2 - x1)

m = [-3 - (-5)] / [1 - 0]

m = (-3 + 5) / 1

m = 2/1 = 2

Next, the y-intercept is the value of y when x = 0. One of your given points is the y-intercept, (0, -5). The y-coordinate is the value of b.

Therefore, the linear equation is: y = 2x -5

Please mark my answers as the Brainliest, if you find this helpful :)

4 0
3 years ago
Trình bày một số ứng dụng của công thức cộng , công thức nhân trong ghép nối các thiết bị để tăng độ tin cậy trong hệ thống
liraira [26]

Answer:

ano po pakitagalog Po pls Hindi ko po kasi maintindihan

8 0
3 years ago
Solve the following equation.-3 = x/5
Umnica [9.8K]
I hope this helps you




x/5= -3



x= -3.5



x= -15
7 0
4 years ago
A=_____cm²<br>A.20<br>B.<br>C.<br>D.​
Alecsey [184]
The answer is A.20. you just add the two sides up
6 0
3 years ago
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