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3 years ago

Can someone plz answer!? problem below

Mathematics

2 answers:

-BARSIC- [3]3 years ago

5 0

Okay, Given that these are vertical angles with each other, we can set them equal to each other. This means our equation to find out what x is, is

3x-3=2x+13

We now need to move like terms to each other. We can do this by adding 3 to both sides of the equation to cancel our the -3.

Our equation will now look like:
3x=2x+16

Now we will move the 2x over to the opposite side to get the 16 alone. We will need to subtract 2x from both sides.
This will leave us with

x=16. This means that we can now plug 16 in for the x value.

This means that angle

3(16)-3= 45
and
2(16)+13= 45.

This means that the measurement of each angle will be 45 degrees.

MaRussiya [10]3 years ago

4 0

3X-3=2X+13

3X-2X=13+3

X=16

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dlinn [17]

Answer:

The system of equation are $\left \{ x+y=20} \atop {10x+15y=225}} \right.$

The number of early bird tickets are 15 and of regular tickets are 5.

Step-by-step explanation:

Given,

Total number of tickets = 20

Total amount = $225

Solution,

Let the number of early bird tickets be 'x'.

And also let the number of regular tickets be 'y'.

Now total number of tickets is the sum of number of early bird tickets and number of regular tickets.

So framing in equation form, we get;

Total number of tickets = number of early bird tickets + number of regular tickets

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Again, Total amount is the sum of number of early bird tickets multiplied with price of each ticket and number of regular tickets multiplied with price of each ticket.

So framing in equation form, we get;

$10x+15y=225\ \ \ \ \ equation\ 2$