Answer:
Step-by-step explanation:
2a-7+15-5a
2a-5a-7+15
-3a+8
7.) the equation of the circle is
(x - 3)^2 + (y - 4)^2 = 25
If you substitute the point in you get
(6-3)^2 + (8-4)^2 = 25
3^2 + 4^2 = 25
9 + 16 = 25
25 = 25
Both sides of the equation are the same so it proves it lies on the circle
8.) you add the x coordinates together and divide by 2
7 + 4 = 11
11/2 = 5.5
You use +7 because you need to find the midpoint.
You then add 5.5 to - 7 or - 5.5 from 4
-7 + 5.5 = - 1.5
You do the same for y coordinates
6+5 = 11
11/2 = 5.5
6-5.5 = 0.5
So the coordinates of Rachel's house are
(-1.5, 0.5)
Answer:
She cooked 3.1 pounds
Step-by-step explanation:
6.2 x 0.5 = 3.1
Answer:
It will be 2.27
Since the 8 in 2.268 is larger than 5, the 6 will turn to the next number. So, the answer will be 2.27.
Answer:
3.14
Step-by-step explanation:
if you want the exact answer you can multiply 7 by the value of
, that is = 3.14
