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Andrei [34K]
4 years ago
14

Solve the equation for Y.Then find the value of Y for the given value of X.

Mathematics
1 answer:
UNO [17]4 years ago
6 0
Xy-3x=40, x=5
x(y-3)=40
y-3=(40/x)
y=(40/x)+3

y=(40/5)+3
y=8+3
y=11
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Amtrak s annual passenger revenue for the years 1980 2000 is modeled approximately by the formula R = -40 |x - 11| + 990 where R
Alecsey [184]

Answer:

<h2>1986, 1996</h2>

Step-by-step explanation:

       Given, Annual passenger revenue for the years 1980 to 2000 id=s modeled with the formula R=-40|x-11|+990.

Here, R is the annual revenue in millions of dollars, x is the number of years since January 1, 1980.

       Revenue in a year was $ 790 million.

So, R=790\\-40|x-11|+990=790\\40|x-11|=200\\|x-11|=5\\x-11=5\text{ (or) }x-11=-5\\x=16\text{ (or) }x=6

       So, after 6 yrs and 16 yrs from January 1, 1980, the Passenger revenue equals $ 790 million.

∴ Passenger revenue equals $ 790 million in 1986 and 1996.

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3 years ago
What is the common denominator as a fraction of 8/21
natulia [17]
How to reduce (simplify) ordinary fraction 8/21? Fraction can't be reduced (simplified). 8/21 = 0.380952380952; Result written as a positive proper fraction and a decimal number. Ordinary (simple, common) math fraction reducing to lowest terms (simplifying), answer with explanations below
4 0
4 years ago
the sum of three numbers is 16 the sum of twice the first number, five times the second number and 6 times the third number is 6
Lubov Fominskaja [6]
Can you make the answer clearer. I would be glad to help you. I just don't understand where it says "the sum of three numbers is 16 the sum of twice the first number"
7 0
3 years ago
Read 2 more answers
Please answer my question! ASAP! D:
I am Lyosha [343]
Basket 1: 8 total, 2 cranberry
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jenyasd209 [6]
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Step2. Identify all the unknown variable such as x, y, a, b [those are the most common ones].

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Step 3 write down all your terms on the LHS of the equation.

Step 4. Equate all the constant on the RHS of the equation. If the constant was negative It would be positive and vic versa

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5 0
4 years ago
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