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viktelen [127]
3 years ago
9

What is the slope of the line 3x-4y=7

Mathematics
1 answer:
elena55 [62]3 years ago
3 0
Rearrange it
3x-4y=7
3x-7=4y
y=\frac{3}{4}x - \frac{7}{4}
slope is \frac{3}{4}
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Given f(x)= 3x+21. A. F(4)=B. F(X)= 50, X=2. C. F(-5)=D. F(X)= -34, X=
nignag [31]

The given function is

f(x)=3x+2

A . f(4) means we have to evaluate the function when x = 4.

f(4)=3(4)+2=12+2=14<h2>Therefore, f(4) = 14.</h2>

B. f(x) = 50 means we have to evaluate the function when y = 50.-

\begin{gathered} 50=3x+2 \\ 50-2=3x \\ x=\frac{48}{3} \\ x=16 \end{gathered}<h2>Therefore, f(16) = 50.</h2>

C. f(-5) means we have to evaluate the function when x = -5.

f(-5)=3(-5)+2=-15+2=-13<h2>Therefore, f(-5) = -13.</h2>

D. f(x) = -34.

\begin{gathered} -34=3x+2 \\ -34-2=3x \\ x=\frac{-36}{3} \\ x=-12 \end{gathered}<h2>Therefore f(-12) = -34.</h2>
4 0
2 years ago
What is x?
iren2701 [21]
X = 5 - 

-7x  - 3x + 2 = -8x - 8
+ 7x                 +7x
-3x + 2 = -x - 8
+3x        +3x
2 = 2x -8
+8       +8
10 = 2x
/2      /2
x = 5
7 0
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liubo4ka [24]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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