The two angles are supplementary.
6x + 4 + 10x = 180
16x + 4 = 180
16x = 176
x = 11
Hope this helps :)
Answer:
ab= 7.8
ac= 6
bc=5
Step-by-step explanation:
I think you’re asking why 10 is there when you when from _/100? if so it’s because 10 is the square root of 100. 10 x 10 = 100. similar to how the square root of 4 is 2 and 25 would be 5. or 16 is 4.
Real answer
48
*26
------
1,248
Estimate
50
*25
------
1,250
So the answer is..
Estimating is helpful because it makes sure you answered correctly. No, this answer is incorrect and if he had done the estimate he could have seen how he was wrong.
