Use the app Gauthmath
Hope this helped
Answer:
2x^2 +4x +4
Step-by-step explanation:
5x ^2 - 3x + 8 - (3x ^2 -7x + 4)
Distribute the minus sign
5x ^2 - 3x + 8 - 3x ^2 +7x - 4
I like to put them vertically
5x ^2 - 3x + 8
- 3x ^2 +7x - 4
-----------------------
2x^2 +4x +4
Answer:

Step-by-step explanation:
Because the initial temperature is 40 degrees and it increases by 10, add the two values together to get the final temperature.
40 + 10 = 50
Therefore, the final answer is 50 degrees.
Answer:
The equation of the circle is
, third option is correct.
Step-by-step explanation:
Equation of a circle:
The equation of a circle with center
and radius r is given by:

Center at (-4, 10)
This means that
.
Radius of 8:
This means that
. So



The equation of the circle is
, third option is correct.