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Nutka1998 [239]
3 years ago
14

The cost of putting in automatic sprinklers for a lawn largely depends upon the length of Poole that must be laid. The controlle

r costs $135 and the system costs $2.50 per foot of pipeline. Which equation could be used to find the cost, c, of a system that requires F feet of pipeline?
Mathematics
1 answer:
OLga [1]3 years ago
5 0

Answer:

c(F) = 135 + 2.5F

Step-by-step explanation:

We are given the following in the question:

Controller cost = $135

System cost = $2.50 per foot of pipeline

The total cost depends upon the length of Pole.

Let the system requires F feet of pipeline.

Total cost will be given by the equation:

c(F) = \text{Controller cost + System cost(Feet of pipeline required)}\\c(F) = 135 + 2.5F

is the required expression for total cost

F: feet of pipeline required

c(F): Total cost of installation

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Answer:

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2 years ago
4.5*10^-8/9*10^-9 find the quotient and write it in scientific form
g100num [7]

Answer:

5

Step-by-step explanation:

4.5*10^-8/ 9*10^-9

1) Reduce the fraction, express 9 as a product of multiplying 4.5*2

4.5*10^-8/4.5*2*10^-9

2) Then notice the common factor of numerator and denominator( 4.5) , get rid of it in both numerator and dnominator

3) 10^-8/ 2*10^-9= 1/2*(10^-8/10^-9)= 0.5* (10^-8/10^-9)

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3 0
2 years ago
What number must i add to complete the square x^2+8x=-3
Sonja [21]

Answer:

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Step-by-step explanation:

(b/2)^2

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7 0
2 years ago
So I don't really understand how to solve this.. Here's the question.
Aleks [24]
The answer is 9 gallons.

  ? - 8 + 10 -5 = 6
Then fill in the choices.

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7-8+10-5=4
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6 0
3 years ago
Read 2 more answers
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