One way is to round the numbers to nearest five. (586 - 321 will be 585-320). Another way is to round it off by tens. (586 - 320 will be 590-320). Hopefully this helps you and god luck!
Answer:
2020
Step-by-step explanation:
(12×5×14.5+7×4×5)×2=
2020
#3.
1 and 3/8
Also known as 11/8 as an improper fraction.
#4.
71/110
It cannot be turned into a mixed number
#5.
1 and 1/9
Also known as 10/9 as an improper fraction
#6.
4/5
You got it correct.
We know that the diameter of the inner circle (d) and the side of a regular octagon (s) are tied by the formula:
d = (1 +√2) × s
The inverse formula is:
s = d / <span>(1 +√2)
Plugging in numbers:
s = 7 (1 + </span>√2)
= 2.9 ft
Therefore the correct answer is A) <span>2.9 feet</span>
Answer:
1. 4
2. 16
3. 9
Step-by-step explanation:
Completing the square requires a quadratic in 
form. Once in this form, calculate 
.
1. 
2. 
3. Requires you divide everything by 3 first.
