Answer:
With every week you save, 15 more dollars are added into your savings.
Step-by-step explanation:
![\left[\begin{array}{ccc}15(1)=15&15(2)=30&15(3)=45\\15(4)=60&15(5)=75&15(6)=90\\15(7)=105&15(8)=120&15(9)=135\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D15%281%29%3D15%2615%282%29%3D30%2615%283%29%3D45%5C%5C15%284%29%3D60%2615%285%29%3D75%2615%286%29%3D90%5C%5C15%287%29%3D105%2615%288%29%3D120%2615%289%29%3D135%5Cend%7Barray%7D%5Cright%5D)
Answer:
xy(y - x)(y + x)
Step-by-step explanation:
take out a common factor xy from both terms
= xy(y² - x²)
y² - x² is a difference of squares and factors in general as (y - x)(y + x)
Hence
xy³ - x³y = xy(x - y)(x + y)
Answer:
125
Step-by-step explanation:
The total number of marbles is 6+10 = 16
P (black) = black / total
= 10/16 = 5/8
With 200 draws, take the probability of P(black) times 200 since the marble is returned each time
200 * (5/8) = 125
We would expect to get 125 black marbles
Answer: x=34
Step-by-step explanation:
1. You subtract 2x from 5x on the other side to get rid of the 2x leaving you with 3x.
2. Then you add 5 to 97 to get rid of the -5, giving you 102 on the opposite side.
3. divide 102 by 3x giving you 34.
5x-5=2x+97
-2x -2x
3x-5=97 <u><em>X=102</em></u>
+5 +5
3x=102
x/3 102/3
The degree of the polynomial is 3
