Answer: 7.625 pounds.
Step-by-step explanation:
Given: The weight of Alexandra's backpack = 
e the given weight is in mixed fraction.
To convert it into decimal ,first we need to convert it into improper fraction.
Thus, 
Now, convert the improper fraction into decimal, by dividing numerator by denominator, we get
Hence, the weight of her backpack in decimal = 7.625 pounds.
Answer:
4a²+62a+49
Step-by-step explanation:
since (a+b)^2= a^2+2ab+b^2
(3a +7)² – 5a(a-4)
simplify the equation first
9a²+42a+49-5a²+20a
= 4a²+62a+49
Answer: 9
Step-by-step explanation:
x2+6x+(3)2=15+(3)2
x2+6x+9=24
(x+3)2=24
x=±2√6−3
x=±2√6−3 is final answer
Answer:
This rotational symmetry has 4 or more order .
OAmalOHopeO
Answer:
1. 4x^2-24x^2+37
2.16x^4+8x^2-2
Step-by-step explanation:
