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Nastasia [14]
3 years ago
14

Your phone plan charges you an initial fee and then a certain amount depending on the amount of data you use they send you perio

dic updates of your insiste and your current bill cost. After using 3 GB of data you owe $30. After 5 GB of data you owe $40. What is the initial fee prior to the data usage charge ?
Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer:

5

Step-by-step explanation:

dot

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If x / 5 = y, what is 2x?
tino4ka555 [31]
<u>x / 5  =  y</u>

Multiply each side by  5 :    x  =  5y

Multiply each side by  2 :   <em>2x  =  10y</em>
6 0
3 years ago
the bottom of a vase is a square.each side measury y+11 units.the square has a perimeter of 55 units what is the value of y?
Norma-Jean [14]

Answer:

2.75

Step-by-step explanation:

55-11(4)=2.75

2.75+11=13.75

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3 years ago
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\large -6x+6y=6<br> \large 6x+3y=12
Kaylis [27]

Answer:

the solution of the system is:

x = 1 and y = 2.

Step-by-step explanation:

I suppose that we want to solve the equation:

-6*x + 6*y = 6

6*x + 3*y = 12

To solve this, we first need to isolate one of the variables in one of the equations.

Let's isolate y in the first equation:

6*y = 6 + 6*x

y = (6 + 6*x)/6

y = 6/6 + (6*x)/6

y = 1 + x

Now we can replace this in the other equation:

6*x + 3*(1 + x) = 12

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9*x + 3 = 12

9*x = 12 - 3 = 9

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Now that we know that x = 1, we can replace this in the equation "y = 1 + x" to find the value of y.

y = 1 + (1)  = 2

Then the solution of the system is:

x = 1 and y = 2.

6 0
3 years ago
Please help if you do not know the answer don’t comment in the answer box just for points
Paul [167]
I don't know all of them but I can tell you that B and E are answers that you should check.
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3 years ago
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How many solutions does the equation have? show your work.
Inessa05 [86]

All real numbers

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Expand

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Group like terms

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6w=6w

subtract 6w from both sides

0=0

True for all w

6 0
3 years ago
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