Wow... what grade are you even in to be getting a problem like that? that's a difficult one...
Answer:
7000 in the account that paid 9% interest rate and 3000 in the account that paid 8% interest rate
Step-by-step explanation:
Let $x be invested in account 1 and $(10000-x) in the second account
Then, 870=x*9/100+(10000-x)*8/100
x=$7,000.
Answer:
(-18) + (-2) = -20
Step-by-step explanation:
arrow is moving from -18 to -20.
Answer:
❌
Step-by-step explanation:
If (x-a) is a factor of a polynomial then the polynomial must equal zero .
Here's what I mean :
x - 2 = 0
x = 2
(2)³-2(2)²+2(2) + 3 = 0 ❌
8 - 8 +4 +3 = 0 ❌
7 = 0 ❌
Hope this helped and have a good day