Answer:
Option 3. In step 3, she did not subtract one x from the left side
Step-by-step explanation:
we have the repeating decimal
0.272727...
Convert to fraction number
step 1
Let
x=0.272727...
step 2
Multiply by 100
100x=27.272727...
step 3
Subtract x from 100x
100x-x=27
99x=27
step 4
Find the value of x
x=27/99
therefore
Manda's work is not correct
In step 3, she did not subtract one x from the left side
Answer:
4/7
Step-by-step explanation:
1/6-8/6=-7/6
-[1/6-8/6]=7/6
---------------------
(2/3)/(7/6)=(2/3)(6/7)=12/21=4/7
You will wait 210 days. Hope this helps!
When we come to think of it, the total distance that Jordan covered after walking around the tank is the circumference of the circular base of the tank. The circumference of a circle is calculated through the equation,
C = 2πr
Substituting the known values,
82.1 ft = 2πr
The value of r in the equation is equal to 13 ft. Thus, the answer is the first choice.
