Answer:
99,117
Step-by-step explanation:
1) Use the partial sum method.
1 8 4 9 2
+ 8 0 6 2 5
9 0 0 0 0 (10000+80000)
8 0 0 0 (8000+0)
1 0 0 0 (400+600)
1 1 0 (90+20)
7 (2+5)
----------------------------------
9 9 1 1 7
Look in the attached file to see answer
A) x + y = 17
B) x * y = -308
B) y = -308 / x Substituting this into A)
A) x -308 / x = 17
A) x^2 -308 = 17x
A) x^2 -17x -308 = 0
x = 28
y = -11
Answer:
No, you don't.
Step-by-step explanation:
The denominator only changes if you're multiplying/dividing. You may need to create an <em>equivalent fraction</em> to add the fractions together, but you <em>don't</em> add or subtract the denominator.
Hope this helps! Have a great day!
