Answer:
x=-1
Step-by-step explanation:
-4(-5x+2)-3x-5=-30
open the bracket
+20x-8-3x-5=-30
collect like terms
20x-3x-8-5=-30
17x=-30+13
17x= - 17
divide both sides by 17
x= -1
The height should equal to 8m
I would measure a beach or a park.
Answer:
C
Step-by-step explanation:
A mixed number is an integer + a fraction.
A: is correct, but not in the simplest form
B: is an improper fraction, not a mixed number.
C: is the answer in the simplest form
D: is correct but it is a reduced improper fraction.
Answer:
2b^2
Step-by-step explanation:
according to the question equation is
(a^2 + b^2 ) - (a^2 - b^2)
a^2 + b^2 - a^2 + b^2
plus a square and minus a square gets cancel
b^2 + b^2
since they are like terms they can be added
2b^2
