Answer:
see explanation
Step-by-step explanation:
The error is in Step 1, by not adding 2 on the left side, that is
Given
7.7 = w - 2 ( add 2 to both sides )
7.7 + 2 = w - 2 + 2
9.7 = w
620 I believe. Hope this helps
Um
81^5=3x
3,486,784,401=3x
x=1,162,261,467
Answer:
11.46°
Step-by-step explanation:
Let x be the angle that yields an arc length of 1 feet, if r= 5 feet, applying the circumference length equation and assuming that a full circumference has 360 degrees:

Rounding to the nearest hundredth, the angle should be 11.46°
Answer:
There is a 20% probability that the store selected does not violate the institute scanner accuracy standard
Step-by-step explanation:
70 company stores were investigared.
56 violated the institute's scanner accuracy standard.
70-56 = 14 did not violate the institute scanner accuracy standard.
If 1 of the 70 company stores is randomly selected, what is the probability that that store does not violate the institute scanner accuracy standard?
This is 14 divided by 70, so:

There is a 20% probability that the store selected does not violate the institute scanner accuracy standard