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valkas [14]
3 years ago
15

What is f(3) if f(x) =2x+6

Mathematics
2 answers:
xeze [42]3 years ago
8 0
F(3) = 2(3)+6
f(3)= 6+6
f(3)=12

Hope this helps!
KiRa [710]3 years ago
7 0
Replace f(x) with y
Y=2x-6

Interchange the variables
X=2y-6

Solve for y
Y=3+x/2

F to the negative 1st power (x)=3+x/2
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IceJOKER [234]

Answer:

4/15

Step-by-step explanation:

40% is the same as .4.

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1/3 x 75 = 25

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6 0
3 years ago
Solve for y. 4y+5/3 = y-8/2 y = -4 y = -5 y = -8
horrorfan [7]

Answer:

<h3>y = -34/5</h3>

Step-by-step explanation:

\dfrac{4y+5}{3}=\dfrac{y-8}{2}\qquad\text{multiply both sides by }\ 2\cdot3=6\\\\6\!\!\!\!\diagup^2\cdot\dfrac{4y+5}{\not3_1}=6\!\!\!\!\diagup^3\cdot\dfrac{y-8}{\not2_1}\\\\2(4y+5)=3(y-8)\qquad\text{use distributive property}\\\\(2)(4y)+(2)(5)=(3)(y)+(3)(-8)\\\\8y+10=3y-24\qquad\text{subtract 10 from both sides}\\\\8y=3y-34\qquad\text{subtract 3y from both sides}\\\\5y=-34\qquad\text{divide both sides by 5}\\\\\boxed{y=-\dfrac{34}{5}}

5 0
3 years ago
I need help sooo bad!!
yarga [219]

Answer:

B?

Step-by-step explanation:

Well, 68% is greater than the 50% ratio of the jelly, and its also greater than C so, id have to say B.

Tell me if im wrong sorry if i am.

3 0
2 years ago
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Step-by-step explanation:

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