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aksik [14]
3 years ago
8

Need help with math plzzzz​

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0

Step-by-step explanation:

2x-5÷3x+4

multiple and dive the angles

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Whats the answer when you divide £680 by 10%
kumpel [21]
The answer would end up being 68.
5 0
3 years ago
F(-4)=8 and f(-1)=4 write the linear equation
kobusy [5.1K]

f(-4)=8\to(-4,\ 8)\\\\f(-1)=4\to(-1,\ 4)

The point-slope formula of a line:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

Substitute:

m=\dfrac{4-8}{-1-(-4)}=\dfrac{-4}{3}=-\dfrac{4}{3}\\\\y-8=-\dfrac{4}{3}(x-(-4))\\\\y-8=-\dfrac{4}{3}x-\dfrac{16}{3}\ \ \ \ |+8\\\\y=-\dfrac{4}{3}x-\dfrac{16}{3}+\dfrac{24}{3}\\\\y=-\dfrac{4}{3}x+\dfrac{8}{3}\ \ \ |\cdot3\\\\3y=-4x+8\ \ \ |+4x\\\\4x+3y=8

The slope-intercept form: y=-\dfrac{4}{3}x+\dfrac{8}{3}

The standard form: 4x+3y=8


7 0
3 years ago
Help me with thisss simplify : 6³/6⁶
Scrat [10]

<h2>=  \frac{ {6}^{3} }{  {6}^{6} }</h2><h2>=  {6}^{(3 - 6)}</h2><h2>=  {6}^{ - 3}</h2><h2>=  \frac{1}{ {6}^{3} }</h2><h2>=  \frac{1}{6 \times 6 \times 6}</h2><h2>=   \frac{1}{216}</h2>

#IfWrongPleaseReport

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#ILoveMath

7 0
3 years ago
Find (f - g)(5) when f(x) = 5x2 + 4 and g(x)=x<br>+3.<br>A) 121<br>B) 131<br>C) -134<br>D) 127<br>​
Tema [17]

The answer is A

- you have to substitute 5 for x in both equations

- solve both equations separately

- subtract the functions

8 0
3 years ago
F(x)= 2x+3/x-1, x ≠ 1, dan f^-1 adalah invers dari f
Sindrei [870]

Answer:

The answer are

A.

{f}^{ - 1} (x) =  \frac{x + 3}{x - 2}

B.

{f}^{ - 1} ( - 3) = 0

Step-by-step explanation:

To find the infers we do that

f(x) =  \frac{2 x + 3}{x - 1 }  \\ (x - 1)f(x) = 2x + 3 \\ xf(x) - f(x) = 2x + 3 \\ xf(x) - 2x = f(x) + 3 \\ x(f(x) - 2) = f(x) + 3 \\  x =  \frac{f(x) + 3}{f(x) - 2}  \\ then \:  \\  {f}^{ - 1} (x) =  \frac{x + 3}{x - 2}  \\ then \\  {f }^{ - 1} ( - 3) =  \frac{ - 3 + 3}{ - 3 + 2}  = 0

5 0
3 years ago
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