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DochEvi [55]
3 years ago
7

A construction company charges $18 per hour for debris removal, plus a one time fee for the use of the trash dumpster. the total

fee for eight hours of service was $219, right and solve a linear equation to find a one time fee for the trash dumpster.
Mathematics
1 answer:
Wewaii [24]3 years ago
5 0

One time fee for the trash dumpster is $75.

Step-by-step explanation:

Cost of debris removal = $18 per hour

Total number of hours = 8

Let,

Total number of hours = x

One time fee of trash dumpster = y

According to given statement;

18x+y=219

As we know the number of hours, therefore,

18(8)+y=219\\144+y=219\\Subtracting\ 144\ from\ both\ sides\\144-144+y=219-144\\y=75

One time fee for the trash dumpster is $75.

Keywords: linear equations, Subtraction

Learn more about linear equations at:

  • brainly.com/question/4390083
  • brainly.com/question/4401748

#LearnwithBrainly

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Cullumber company had $170,000 of net income in 2021 when the selling price per unit was $152, the variable costs per unit were
taurus [48]

The number of units sold in 2021 = <u>13,300 units</u>.

The number of units that would have to be sold in 2022 to reach the stockholder's desired profit level = <u>15,200 units</u>.

Assuming that Cullumber company sells the same number of units in 2022 as it did in 2021, the selling price in order to reach the stockholder's desired profit level = <u>$160</u>.

The net income of a company is its profit function, derived by the formula:

Profit = Sales - Cost.

Sales are the product of the number of units sold and per unit selling price.

Cost is the sum of fixed costs and the product of the number of units produced to the variable cost per unit.

Assuming the number of units sold in 2021 to be x,

we can say sales = $152x, and

cost = ${574800 + 96x}.

Therefore, profit = sales - cost,

or, 170000 = 152x - {574800 + 96x},

or, 170000 = 56x - 574800

or, 56x = 574800 + 170000 = 744800,

or, x = 744800/56 = 13300.

Therefore, the number of units sold in 2021 was <u>13,300</u>.

In 2022, the desired profit = $170,000 + $106,400 = $276,400.

Assuming the number of units sold in 2022 to be n, at the same unit data and fixed cost, we can say that:

Sales = $152n, and

Cost = ${574800 + 96n}.

Therefore, profit  sales - cost,

or, 276400 = 152n - {574800 + 96n},

or, 276400 = 56n - 574800,

or, 56n = 574800 + 276400 = 851200,

or, n = 851200/56 = 15200.

Therefore, the number of units sold in 2022 should be <u>15,200</u> to reach the desired profit of the stakeholders.

When the number of units sold in 2022 is the same as in 2021, that is, the number of units = 13,300, we assume the per unit selling price to be $P.

Now we can say that,

Sales = $13300P.

Costs = ${574800 + 96*13300} = ${574800 + 1276800} = $1851600.

Therefore, profit = sales - cost,

or, 276400 = 13300P - 1851600,

or, 13300P = 1851600 + 276400 = 2128000,

or, P = 2128000/13300 = 160.

Therefore, the new selling price per unit to reach stockholders' desired profit, assuming the number of units sold in 2022 to be the same as in 2021 is <u>$160</u>.

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b. The explicit equation for f (n) is f(n) = (-1)ⁿ × (n+1)/(n+6) , n = 0,1,2,3...

c. If n = 53, then (-1)ⁿ = (-1)⁵³ = -1. so, f(n) is negative.

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Without expressing the other terms of the sequence, explicit formulas are always utilized to represent any term of the sequence. The word "explicit" means something that may be found directly without having to know the other phrases in the sequence. A single formula, known as the explicit formula, can be used to describe each term in a series in an individual way.

Explicit formulas of different sequences:

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Geometric Sequence: aₙ = a× r^(n - 1),

Harmonic Sequence: aₙ = 1 / [a + (n - 1) d].

Here. we have

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