3 years ago

A. 2y − 17y R 70 B. 2y − 17y R −70 C. 2y − 3 D. 2y + 3

1 answer:

6 0

D.2y+3 i think is the answer

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Zinaida [17]

The answer is 448 seconds

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3 years ago

riadik2000 [5.3K]

Answer: OPTION A

Step-by-step explanation:

Let be "a" the number of adults tickets they sold and "s" the number student of tickets they sold.

With the information given in the exercise you can set up the following System of equations:

$\left \{ {{a+s=80} \atop {6a+4.5s=426}} \right.$

Use the Elimination method to solve the system of equations:

1. Multiply the first equation by -6.

2. Add the equations.

3. Solve for "s" in order to find its value.

Then:

$\left \{ {{-6a+-6s=-480} \atop {6a+4.5s=426}} \right.\\............................\\-1.5s=-54\\\\s=36$

4. Finally, substitute the value of "s" into the first equation and solve for "a":

$a+36=80\\\\a=80-36\\\\a=44$

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Iteru [2.4K]

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yeah i just need the points here

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3 years ago

aleksley [76]

Answer:

x+3, y-4

Step-by-step explanation:

You are moving the triangle 3 to the right, so x+3, an 4 down, so y-4.

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Gekata [30.6K]

2/(x-4)-1/(x+3)

(2(x+3)-1(x-4))/(x-4)(x+3)

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3 years ago