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jolli1 [7]
3 years ago
15

FREE PLS HELP

Mathematics
1 answer:
Sholpan [36]3 years ago
8 0

Answer:

$0.40

less

Step-by-step explanation:

The equation for Skylar's company is y = 3x + 1.5

and if Isabella's company charges a $4.50 pickup fee and $2.60 per mile, that makes the equation y = 2.6x + 4.5

meaning to find how much more or less, Isabella's company costs per mile than Skylar's we have to compare the terms with x (miles)

Skylar: 3x

Isabella: 2.6x

3 - 2.6 = 0.4

Therefore, your answer is $0.40 and less since 2.6 is a smaller number than 3.

Hope this helps!

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nasty-shy [4]

Answer:

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x=155/5

x=31

Step-by-step explanation:

7 0
3 years ago
Let f(x) = 4x + 3 and g(x) = 7x − 6. Find the function. f/g (f/g)(x) = Find the domain. (Enter your answer using interval notati
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Answer:

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4 0
3 years ago
Solving radical equations
My name is Ann [436]

Answer:

  • top: no solution
  • bottom: x = 7

Step-by-step explanation:

I find a graphing calculator very helpful to solving radical equations. It helps avoid extraneous solutions.

<u>top</u>

  √(-14x +2) = x -3

  -14x +2 = x² -6x +9 . . . . . square both sides

  x² +8x +7 = 0 . . . . . . . . . .subtract the left side

Descartes' rule of signs tells you this has no positive real solutions. (There are no sign changes among the coefficients.) The value of the radical will be non-negative, so we must have x-3≥0, or x≥3. Since there are no positive real solutions to the quadratic, there are no values of x≥3 that will satisfy the equation. NO SOLUTION

__

<u>bottom</u>

  4√(x -3) = 8 . . . . . given

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4 years ago
On Saturday Fiona gets to work 15 minutes early and sells three sweaters before her shift even begins. she then sells 4 sweaters
Naily [24]
Well you have to know how long her shift is
7 0
3 years ago
Need help quickly its hard
kaheart [24]

Answer:

1-3x+8y

Step-by-step explanation:

Multiply y and 2

Multiply y and 1

The y just gets copied along.

2*y evaluates to 2y

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Multiply x and 1

The x just gets copied along.

The answer is x

4*x evaluates to 4x

2*y-4*x evaluates to 2y-4x

The answer is 2y-4x+8

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Multiply y and 6

Multiply y and 1

The y just gets copied along.

The answer is y

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The answer is 8y-4x+8

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The answer is -3x+8y+8

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The answer is 1-3x+8y

2*y-4*x+8+6*y+x-7 evaluates to 1-3x+8y

6 0
3 years ago
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