Answer:
(-1,6)
Step-by-step explanation:
The missing part of this question is the system given as;
We solve for c in the top equation to get:
Substitute into the bottom equation to get:
Expand to get:
Group similar terms to get:
Put into to get:
The solution is (-1,6)
With 10 to the power to a negative number, it's easier.
Here's a trick: The negative number is the places to the right of the decimal. The last number is a 1, while the rest are 0s.
From this, we get:
Answer:
40:70 becomes 20:35 which becomes 4: 7.
The answer is 4:7
Step-by-step explanation:
Answer:
(3,5)
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
25-14 = 11
11+12=23
that would be your answer
