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3 years ago

8

help! please? suppose it costs ten dollars to place an advertisment in the paper, plus an additional $5 for each line. then the

costs to place an ad x lines long is given by y dollars, where y=5x+10

1 answer:

liq [111]3 years ago

8 0

The ordered pairs are probably (0,10) and (-1,5)

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Plz help me answer these

givi [52]

Answer:

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Step-by-step explanation:

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3 years ago

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find 2 consecutive integers such that three times the square of the first is equal to seven more than five times the second

melamori03 [73]

Answer:

Step-by-step explanation:

We are looking for two numbers, $N$ and $N + 1$ . From the problem statement, we can setup the following equation:

$3N^{2} = 5(N + 1) + 7$

$3N^{2} = 5N + 5 + 7$

$3N^{2} - 5N - 12 = 0$

$(3N + 4)(N - 3)$

$N = \frac{-4}{3}, 3$

Because 3 is the only integer solution, the answer is 3 and 4.

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3 years ago

On a coordinate plane, a line goes through (0, 4) and (2, 0). The first equation from the previous system of equations is graphe

Verizon [17]

Answer:

{3,-2}

Step-by-step explanation:

ITS CORRECT

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The cost C, in dollars, to have medical records transcribed is a function of time, t in hours. A physician's group spends C(t) =

Contact [7]

Answer:

B. $39550

Step-by-step explanation:

The expression for the function is not well-formatted, find the correct format in the solution bellow

Step one:

given data

We are told that the function of the cost is

$C(t) = 0.04t^3- 0.1t^2 + 5.5t$

instantaneous rate c(t) is the value obtained when we plug in 100 for t in the function above

substituting we have

$C(t) = 0.04(100)^3- 0.1(100)^2 + 5.5(100)\\\\\C(t) = 0.04*1000000- 0.1*10000 + 5.5*100\\\\C(t) = 40000-1000+550\\\\C(t) = 39550$

$39550

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2 years ago

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Liula [17]

Answer:

Yor awnser is C and D.

Step-by-step explanation:

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