Which polynomial is in standard form

Mathematics

1 answer:

sukhopar [10]3 years ago

7 0

Answer:

The third one

not sure bu i am working on this to so might be right

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At a sporting event, the price for 3 cheeseburgers and 2 cups of lemonade is $14 and the price for 2 cheeseburgers and 4 cups of

crimeas [40]

C= the price of a cheeseburger and l = the price of a lemonade:

$3c + 2l=14\\2c+4l=12$

Divide the second equation by -2 to begin the process of solving by elimination:

$3c + 2l=14\\-1/2\ (2c+4l=12)\\\\3c+2l=14\\-c-2l=-6\\\\2c=8\\c=4$

Now that we have c, 4, we can plug it in to one of the equations to find l:

$3c + 2l=14\\3(4)+2l=14\\12+2l=14\\2l=2\\l=1$

So, each cheeseburger is $4 and each lemonade is $1. The final answer is:

1 cheeseburger and 2 cups of lemonade would cost $6.

6 0

3 years ago

Read 2 more answers

MATH HELP!!!!!!!!!!!!!!1

torisob [31]

Answer:

n = 18

Step-by-step explanation:

when you are multiplying, you add the exponents. 2 + x = 20. so by using subtraction we find that x = 18.

5 0

3 years ago

Please help me with this question! Thank you :)

madreJ [45]

Answer:

y=x-3

Step-by-step explanation:

Graph y=x-5 and the point (1,-2). You want your slope to be the same for the lines to be parallel. The slope in the given equation is 1/1. Type into a graphing calculator y=x- and pick a number greater than negative five since the point (1,-2) is above the given line. Guess and checking reveals -3 to be the correct answer. Therefore, your answer is y=x-3.