Answer:
C, assuming you left off the y on the 30
Step-by-step explanation:
30(.5x-2)+40(.75y-4)
Distribute
15x-60+30y-160
Simplify
15x+30y-220
We will get shaded area when we subtract rectangle area from semicircle area.
Rectangle area is Ar=a*b=16*6= 96 cm∧2
Semicircle area is Asc= (r∧2 pi)/2
First we must find radius.
We know that the center of the semicircle ( or circle) is in the middle of the longer side of the rectangle.
Now we can find radius with Pythagorean theorem
r= √8∧2+6∧2= √64+36 =√100= 10cm => r= 10 cm
Asc=(10∧2 * pi)/2 = 50 pi cm∧2
Shaded area is Asc - Ar = 50pi - 96 = 2 (25pi-48) cm∧2
Good luck!!!
Answer:
9
Step-by-step explanation:
2(x-11) + 5-1
We can use the distributive property:
2x - 22 + 5 - 1
We can then simplify:
2x - 18
In this case, if 2x - 18 = 0, then 2x = 18 and x = 9.
Roosters to chickens is 2 to 8
That means where there are 2 roosters, there are 8 chickens.
Simplify the ratio 2:8
The ratio can be simplified to 1:4
So, for 1 rooster, there are 4 chickens.
Now, the question says that if there are 5 roosters, how many chickens will there be?
1 rooster to 4 chickens
5 roosters to ? chickens
We went from 1 rooster to 5 rooster. We multiplied by 5.
To find out how many chickens there are for 5 roosters, multiply 4 chickens by 5.
4 * 5 = 20
Where there are 5 roosters, there will be
20 chickens.
Another way to solve is as follows:

Your final answer is
20 chickens.<span />
A minimum of 2 acute angles