Multiply first equation by -5 and 2nd by 2, add them
15x+20y=-100
<u>2x-20y=32 +</u>
17x+0y=-68
17x=-68
divide both sides by 17
x=-4
the x value is -4
An imaginary number is a complex numberthat can be written as a real numbermultiplied by the imaginary unit i
Hope this helped!
Answer:
10.5
Step-by-step explanation:
7miles÷50min=.14
.14×75 minutes= 10.5
The answer is The student's conclusion is incorrect because the solution to the system of equations 3x + 4y = 32 and <span>5x + 5y = 50 is (8, 2)
Harry's money is $ 32
He said that he spent ALL of his money buying 3 Notebooksx and 4 cards y, so the equation that represent this is </span>
3x + 4y = 32 .
He said that HE IS SHORT $18 if he wants to buy 5 notebook x and 5 cards y,
So the equation that represent this is
5x + 5y = 32 + (18)
5x + 5y = 50
And (8,2) is the only one that fit in both equation/
