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trasher [3.6K]
3 years ago
6

Mark just got his commercial driver's license and is starting a new career as a truck driver.

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Answer to break even, cost = earnings= $455, number of miles to cover is 11

Step-by-step explanation: cost =422+3x, where x= number of miles covered

Earnings=400+5x

St break even, cost = earnings, then solving the linear equation, by collecting like terms, and dividing through by 22. x=11, the Pu x=11 in the either the cost or earnings expressing to get 455

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This one also I needed help on
Natasha_Volkova [10]

Answer:

y = x³

Step-by-step explanation:

Note that

1³ = 1 × 1 × 1 = 1 ← value of y- coordinate

2³ = 2 × 2 × 2 = 4 × 2 = 8 ← value of y- coordinate

3³ = 3 × 3 × 3 = 9 × 3 = 27 ← value of y- coordinate

4³ = 4 × 4 × 4 = 16 × 4 = 64 ← value of y- coordinate

5³ = 5 × 5 × 5 = 25 × 5 = 125 ← value of y- coordinate

The rule is that the y- coordinate is the cube of the x- coordinate, that is

y = x³

5 0
3 years ago
Onondaga Electronics operates on a net-profit rate of 20% on its printer cables. If the markup is $8.95 and the overhead is $4.3
asambeis [7]

Answer:

The selling price be $79.56 .

Step-by-step explanation:

Let us assume that the cost price be x.

As given

If the markup is $8.95 and the overhead is $4.31 .

Selling price = Cost price + Markup price + Overhead price

                    =  x + 8.95 + 4.31

                    = x + 13.26

Profit = Selling price - Cost price

         =  x + 13.26 - x

         = $ 13.26

Formula

Profit\ percentage = \frac{Profit\times 100}{Cost\ price}

Putting the values in the above formula

20= \frac{13.26\times 100}{x}

x= \frac{13.26\times 100}{20}

x= \frac{1326}{20}

x = $ 66.3

Thus cost price be $66.3 .

Thus

Selling price =  $66.3 + $13.26

                     = $ 79.56

Therefore the selling price be $79.56 .


5 0
3 years ago
A commercial building has seven levels of car parking spaces. Each level has four rows and each row has 38 car spaces. How many
tatyana61 [14]

So, all we have to do here is multiply:

First, the amount of car spaces by the amount of rows:

38 x 4 = 152  

This is the number of parking spots per level.

Then, the number of levels by the number of parking spots on each level:

152 x 7 = 1064

So, a total of 1,064 cars can be parked in this building!

8 0
3 years ago
A sample of 50 11th graders were asked to select a favorite pattern out of six choices. The data list below shows what their fav
lubasha [3.4K]

The height will be 22%

8 0
3 years ago
If y varies directly as x, and y is 400 when x is randy is r when x is 4, what is the numeric constant of variation in this rela
juin [17]

The numeric constant of variation is 100

Step-by-step explanation:

Direct proportion means that increase in one variable cause increase in other variable

Here,

It is given that

y varies directly as x

y∝x

when the proportionality symbol is removed a proportionality constant is introduced

y = kx

Given that

y = 100 when x = 4

Putting the values

400 = k * 4\\k = \frac{400}{4}\\k = 100

The numeric constant of variation is 100

Keywords: Proportion variation

Learn more about direct proportion at:

  • brainly.com/question/1234767
  • brainly.com/question/1232765

#LearnwithBrainly

5 0
3 years ago
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