Answer:
the first one
Step-by-step explanation:
Not to sure if it's right but hope it helps u ;)
10 minutes before 9 is 8:50. since any time on the hour is at a perfect 60 minutes, you subtract the minutes given and move 1 hour back to find your answer.
for example, if you were asked what 20 minutes before 10 was. you start by subtracting 20 from 60. 60-20= 40, this being your minutes. 10-1 is 9, this being your hour, making the final answer 9:40.
Answer:
CoCl2*6H2O = CoCl2 + 6 H2O
Step-by-step explanation:
Reaction type is decomposition, but this should balance it.
Answer:
110 degrees.
Step-by-step explanation:
Angles 2 and 3 are supplementary, and angles 8 and 7 are supplementary.
Angles 3 and 7 are equal.
If angle 8 is equal to 70 degrees, angle 3 is equal to 110.
To solve this equation, use a calculator to divide 900 by 1.4167. the outcome will be your answer!
