From 19801980 to 20002000, the annual profit of a company was determined by subtracting from \$625{,}000$625,000 the product of \$25{,}000$25,000 and the number of years either before or after 19901990. Which of the following equations below could be used to determine in which year, xx, the profit was \$550{,}000$550,000?a.550−25∣x−1990∣=625
b.625 - 25 | x - 1990 | = 550625−25∣x−1990∣=550
c.625 +25 | x - 1990 | = 550625+25∣x−1990∣=550
d.625 +25 | x + 1990 | = 550625+25∣x+1990∣=550
Answers
Answer: b) 625 - 25 |x - 1990| = 550
Step-by-step explanation:
According to the question,
The annual profit of a company was determined by subtracting from $625,000 the product of $25,000 and the number of years either before or after 1990.
That is, On x year the total profit is,
P(x) = 625,000 - 25,000 |x - 1990|
But again according to the question,
On x years the profit is $ 550,000
Thus, 625,000 - 25,000 |x - 1990| = 550,000
⇒ 625 - 25 |x - 1990| = 550 ( by dividing both sides by 1000)
Therefore, Option b) is correct.
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It might be b i have no clue so dont exactly trust my awnser.
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Consider the given quadratic equation
Comparing the given quadratic equation to the general equation , we get a= 1, b=0 and c= -50
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So, the solutions to the given quadratic equation are .
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c
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We have to express 0.000065 cm in scientific notation.
Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so we can write large numbers using less digits.
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Therefore, cm is the scientific notation for the given number 0.000065 cm.
Answer:
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Step-by-step explanation:
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Answers
The given expression 3y-8/12=y/5 is proportion to:
⇒ y = 5/21
The given expression is,
3y-8/12=y/5
Now to solve it,
Multiply 12 both sides,
⇒ 12(3y-8/12) = 12(y/5)
We can write it as,
⇒ 36y - 8 = (12/5)y
Multiply with 5 both sides we get,
⇒ 5(36y - 8) = 12y
⇒ 180y - 40 = 12y
Subtract 12y both sides we get,
⇒ 180y - 12y - 40 = 12y - 12y
⇒ 180y - 12y - 40 = 0
⇒ 168y - 40 = 0
Add 40 both sides we get
⇒ 168y = 40
⇒ y = 40/168
= 10/42
= 5/21
Hence,
⇒ y = 5/21
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Answers
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c = 12 + 44x
Answers
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Step-by-step explanation: