Answer:
x = 
Step-by-step explanation:
=> 3+2(2x+8) = 1
=> 3+4x+16 = 1
=> 4x+19 = 1
=> 4x = 1-19
=> 4x = -18
<u><em>Dividing both sides by 4</em></u>
=> x = 
=> x =
Answer:
Add 12 with 15, we would get 27
If we add 27 with -27, then we would get 0, because if a negative and positive number are the same, then you add them, you will alway's get 0
0 is your answer
Answer:
Area: 1,200 square centimeters. Perimeter: 140 centimeters.
Step-by-step explanation:
Since you have to multiply the length and width in order to find the area, multiply 30 and 40 together and you can find 1,200. Next, to find the perimeter you have to add all the lengths of the rectangular swimming pool, which will result in 140 centimeters.
Answer:
#2) X = 6
Step-by-step explanation:
Answer:
2) Division Property of Equality, 3) Reflexive Property
Step-by-step explanation:
2) The way they got the answer of 30 is by dividing 90/3, hence, division property of equality
3) Not quite sure, usually I would put Given as the reason. The other answers don't make sense, so I think it's Reflexive Property.
Hope this helped!
