Answer:
n = 6
Step-by-step explanation:
17n + 4n - 4 =122
combine like terms 17n & 4n
21n - 4 = 122
21n - 4 + 4 = 122 + 4
21n = 126
21n / 21 = 126 / 21
n = 6
Answer:
x^5+2x^4-7x^3+11x^2+28x
Step-by-step explanation:
94 feet 7 inches
Step-by-step explanation:
240,0- 145,3
=94,7
Note in my country we don't use feet and inches so I took this question in a form of meters, either way you still get the same answer
Answer:
9
Step-by-step explanation:
x^2+6x+9
Is perfect since
(x+3)^2 is perfect square
Identity Is (x+y)^2=x^2+2xy+y^2
Answer:
2−0.5z
Step-by-step explanation:
boom shacka laka so I've had this question before and i was just like whatever so i got it wrong and then i got the answer in the answer key :)