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Mariana [72]
3 years ago
11

Getting trained and licensed as a truck driver involves a one-time cost of $450. Gas and insurance end up costing about $2 per m

ile. For the first delivery, you will get paid $350 plus $6 per mile that you drive. Write 2 equations and solve this system.​
Mathematics
1 answer:
Anika [276]3 years ago
7 0

The question is an illustration of a system of linear equations.

  • The system of linear equations is: y=450  + 2x and y = 350 + 6x
  • The solution to the equation is (25,500)

Let the number of miles be x.

<u>Getting trained and licensed</u>

  • One time cost: $450
  • Gas and Insurance: $2 per mile

So, the equation is:

y=450  + 2x

<u>Delivery</u>

  • First delivery: $350
  • Rate: $6 per mile

So, the equation is:

y = 350 + 6x

Hence, the system of linear equations is:

y=450  + 2x and y = 350 + 6x

To solve the equation, we equate both, as follows:

450 + 2x = 350 + 6x

Collect like terms

6x - 2x = 450 - 350

4x = 100

Divide both sides by 4

x = 25

Substitute 25 for x in y=450  + 2x

y = 450 + 2 \times 25

y = 450 + 50

y = 500

Hence, the solution to the equation is (25,500)

Read more about linear equations at:

brainly.com/question/14323743

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aleksklad [387]

Answer:

x=2

Step-by-step explanation:

-2x+4=6x-12  Add 2x to both sides.

<u>+2x    +2x</u>

4=8x-12         Add 12 to both sides.

<u>+12  +12</u>

16=8x            Divide by 8 on both sides.

<u>/8 /8</u>

2=x

Hope this helps you out and have a great day (~^▽^)~

5 0
3 years ago
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What is the equation of the line that is perpendicular to y=2x+4 and passes through the points (4 6)
Anuta_ua [19.1K]

Answer:

y=-0.5x+8

Step-by-step explanation:

Opposite reciprocal of 2: -0.5

6=-0.5*4+b

6=-2+b

b=8

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3 years ago
Write the equation of a circle with a center (-3,9) and a radius of 14
babymother [125]

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4 0
3 years ago
An art supply store buys paintbrush sets for $2 and sells them at a markup of 240%. One day, they decide to put the sets on sale
pav-90 [236]

Answer:

A. <em>6.12</em>

Step-by-step explanation:

if you mark up 2.00$ with 240% you get 6.80 $

then, 0.68 is 10% of 6.80%

if you subtract 0.68 your answer will be 6.12$

So your answer is A. 6.12$

5 0
2 years ago
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The graph below represents a population
Nataliya [291]

Answer:

Average rate of  change for the function for the interval (6, 12] is 500 people per year.

Option A is correct.

Step-by-step explanation:

We need to find the average rate of  change for the function for the interval

(6, 12]

The formula used to calculate Average rate of change is:

Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}

We are given a=6 and b=12

Looking at the graph we can see that when x=6 y= 3000 so, f(a)=3000

and when x=12, y=6000 so, f(b)=6000

Putting values in formula and finding Average rate of change:

Average \ rate \ of \ change=\frac{f(b)-f(a)}{b-a}\\Average \ rate \ of \ change=\frac{6000-3000}{12-6}\\Average \ rate \ of \ change=\frac{3000}{6}\\Average \ rate \ of \ change=500

So, average rate of  change for the function for the interval (6, 12] is 500 people per year.

Option A is correct.

6 0
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