Answer:
43.96
Step-by-step explanation:
You take the radius of 7 and multiply by 2 then multiply by 3.14
The difference is 12
first we should find out how much is the sum of length and width :
![18 \div2 = 9](https://tex.z-dn.net/?f=18%20%5Cdiv2%20%3D%209)
so we have to find 2 numbers with sum of 9
and least possible area.
the numbers will be 1,8 and the area is
![1 \times 8 = 8](https://tex.z-dn.net/?f=1%20%5Ctimes%208%20%3D%208)
now let's find 2 numbers with sum of 9 and greatest possible area.
they are 4 and 5. the area is:
![4 \times 5 = 20](https://tex.z-dn.net/?f=4%20%5Ctimes%205%20%3D%2020)
the final answer will be the difference between these two areas
![20 - 8 = 12](https://tex.z-dn.net/?f=20%20-%208%20%3D%2012)
good luck
Answer:
55
Step-by-step explanation:
IHG = 123
IHS = x + 65
SHG = x + 78
IHG = IHS + SHG
123 = x + 65 + x + 78
123 = 2x + 143
123 - 143 = 2x
-20 = 2x
-10 = x
IHS = x + 65
IHS = - 10 + 65
IHS = 55
Answer:
3(u^2 +u-3)
-------------------
u(u-3)^2
Step-by-step explanation:
u 1
---- + -------
u-3 u
-------------------------
u-3
----------
3
Get a common denominator for the numerator
u *u 1(u-3)
---- + -------
(u-3)u u(u-3)
-------------------------
u-3
----------
3
u *u + (u-3)
-----------
(u-3)u
-------------------------
u-3
----------
3
Now use copy dot flip
u *u + (u-3) 3
----------------- * -------------
(u-3)u u-3
3(u^2 +u-3)
-------------------
u(u-3)^2
Answer:
The correct answer is A.
Step-by-step explanation:
Scientific notation has to be a number between 1 and 10, so we know b and d are out. Then, you have to count how many places you'd have to move to get to the end of the number. It's 10 jumps, so the correct answer would be 1.19*10^10.
Hope this helps!