A straight line is 180° so....
9x+24 +6x - 24 = 180
15x=180. ( because you have to combine like terms.
X= 12
Answer:
29.32
Step-by-step explanation:
sense 1 is the hundredth you just round now so 5 is big enough so it would make the hundreth number go up by 1.
Answer:
0.67 cm/s
Step-by-step explanation:
The area of a square is given by :
....(1)
Where
x is the side of a square

Differentiating equation (1) wrt t.

When A = 81cm², the side of the square, x = 9 cm
Put all the values,

So, the length of the side of a square is changing at the rate of 0.67 cm/s.
Answer:
(8 - 42x - 56y -12xy) is you're answer.
Step-by-step explanation:
The answer would be C because they say if 3 new students arrived each year.