=(3x^3-y^2)^2 [ open it in (a-b)^2 form]
=(3x^3)^2-2.3x^3.y^2+(y^2)^2
=3^2x^3×2-6x^3y^2+y^2×2
=9x^6-6x^3y^2+y^4. ans
School sells lunch for $5.50 dollars per day for 5.3 days, if sally has $25.60 than will she be able to buys lunch for those 5.5 days
1- Multiply 5.5 times 5.3 (number of days)
2-Take 25 and divide it by that number
Answer:
x=10
Step-by-step explanation:
1/5 X- 2/3=4/3
+2/3 +2/3
1/5x=6/3
1/5x=2
*5 *5
x=10
3x + 4y = -11
4y = -3x - 11
y = -.75 - 2.75
and
7x - 5y = 3
-5y = -7x + 3
y = 1.4x - .6
Answer:
it should be about 18 years.
Step-by-step explanation:
Hope this helps!
Good Luck! :)