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2 years ago

What's the difference between a function and not a function

Mathematics

2 answers:

Ilya [14]2 years ago

6 0

Something that isn’t a function has multiple outputs, something that is a function has 1 for each.

Ipatiy [6.2K]2 years ago

3 0

I hope it helps......:))

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AT&T charges a connection fee of 35 cents and 3 cents per minute. Verizon charges a connection fee of 45 cents and 2 cents p

Mama L [17]

Answer:

10 Minutes

Step-by-step explanation:

At&t = 3x+35

Verizon = 2x+45

2x+45=3x+35

-2x -2x

45=x+35

-35 -35

x=10

6 0

3 years ago

Answers?? With work please

Naya [18.7K]

1.)-2
2)-2
3.)-3
4.)-1
5)1
6.)-6
7.)-6
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9.)0
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11.)-3
12.)all real numbers
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On working on the work for the first problem so u understand

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3 years ago

21 quarters out of 186 quarters simplest form

posledela

21/186
Answer: 7/62
Hope this helps!!!!!!!

4 0

3 years ago

Read 2 more answers

Find all solutions of the given system of equations (If the system is infinite many solution, express your answer in terms of x)

lisov135 [29]

Answer:

(a) The system of the equations $\left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right.$ has no solution.

(b) The system of the equations $\left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right.$ has many solutions $y=\frac{2x}{3}-\frac{5}{3}$

Step-by-step explanation:

(a) To find the solutions of the following system of equations $\left \{ {2x-3y\:=3} \atop {4x-6y\:=3}} \right.$ you must:

Multiply $2x-3y=3$ by 2:

$\begin{bmatrix}4x-6y=6\\ 4x-6y=3\end{bmatrix}$

Subtract the equations

$4x-6y=3\\-\\4x-6y=6\\------\\0=-3$

0 = -3 is false, therefore the system of the equations has no solution.

(b) To find the solutions of the system $\left \{ {4x-6y\:=10} \atop {16x-24y\:=40}} \right.$ you must:

Isolate x for $4x-6y=10$

$x=\frac{5+3y}{2}$

Substitute $x=\frac{5+3y}{2}$ into the second equation

$16\cdot \frac{5+3y}{2}-24y=40\\8\left(3y+5\right)-24y=40\\24y+40-24y=40\\40=40$

The system has many solutions.

Isolate y for $4x-6y=10$

$y=\frac{2x}{3}-\frac{5}{3}$

3 0

3 years ago

I will give you brainliest whoever answers correct first!!

Firlakuza [10]

Answer:

74.4 (llllllllllll ignore this i need 20 characters to answer)

3 0

3 years ago