Multiply the first equation by 2
2x + 2y =30
now we’ll add the second equation to the first equation
2x + 2y =30
-2x+5y= -2
7y=28
divide by 7
y=4
now plug y back into the first equation
x + 4 = 15
subtract 4
x=11
Two large numbers of the Fibonacci sequence are F49<span>= </span>7778742049 and F50=12586269025<span>.</span>
Answer:that’s a tough one
Step-by-step explanations just need some credit on brainly
Answer:
3:2 , 3/2, 3 to 2
Step-by-step explanation:
The best one is 3:2 cause it is the most used way to write a ratio. 3:2 also means 3 divided by 2 or 3 out of 2 so that's why you would use the other 2.
Answer:
1065
Step-by-step explanation:
57-42×-3-21
