8x+5= 69
Move +5 to the other. Sign changes from +5 to -5.
8x+5-5= 69-5
8x= 64
Divide by 8
8x/8= 64/8
x= 8
Answer : x= 8
No they are not all rational numbers
5+5=10
15-5=10
5x2=10
20/2=10
10^1 (10 to the power of 1) or 0.1^-1 (0.1 to the power of -1)
Answer:
41.1764...%
Step-by-step explanation:
60% on 50 questions is 30/50 correct since 30÷50=.6=60%
Between 30 and 50(inclusive) there are 21 numbers.(30,31,32...49,50).
There are 51 possibilities of scores,1-50/50 or 0/50
21/51=0.411764...
I dont even know what your asking