3 years ago

PLEASE PLEASE HELP!!!!!

Mathematics

1 answer:

Kamila [148]3 years ago

3 0

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Step-by-step explanation:

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3 years ago

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PtichkaEL [24]

x^2+x−56=0

(x-7) (x+8) =0

x=7 x= -8

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4 years ago

The drama club at Math Academy High School sold tickets to their end of the year play. On Monday they sold 80 tickets for a tota

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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4 years ago

Which expression is equivalent to

Amiraneli [1.4K]

Answer:

this is a random question so it can not be answer

Step-by-step explanation:

ask a real answer pls

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4 years ago