Answer:
22
Step-by-step explanation:
i just added 8+6+8 ?
idk if its right
Answer: the answer is -3
Step-by-step explanation:
The third one should be right
Answer:
x = 51/4 or x = 12.75
Step-by-step explanation:
(2x - 1)2 = 49
4x - 2 = 49
4x = 49 + 2
4x = 51
x = 51/4 or x = 12.75
Hope you are able to understand it!
4/5 as a decimal is 0.8
One tenth equals to 0.1
0.8 = 0.1 + 0.1 + 0.1 + 0.1 + 0.1 + 0.1 + 0.1 + 0.1
We need ten lots of 0.1 to make 0.8