Answer:
-2
Step-by-step explanation:
Add them up: -14
Divide by how many there are: -14 / 7 = -2
Answer:
25 boys.
Step-by-step explanation:
To solve this problem, first add the two parts of the ratio. 9 + 5 = 14. Then divide 70 by 14 to get 5. Since the total is 5 times the ratio total, multiply both sides of the ratio by 5. The result is 45 : 25. If you add them together, you get a total of 70. Therefore, there are 25 boys in the class.
the answer to 44/625 is0.0704
the answer to 220/31.25 is 7.04
Answer:
No
Step-by-step explanation:
How to solve :
(a-4)/(a^2+8a+12)*(a^2-2a-48)/(a^2+4a-32)
Factor:
a^2+8a+12 = (a+6)(a+2)
a^2-2a-48 = (a-8)(a+6)
a^2+4a-32 = (a+8)(a-4)
simplify a+6, and a-4
you are left with (a-8)/(a+2)(a+8) = (a-8)/(a^2+10x+16)
