Answer: a = 5.5
Step-by-step explanation:
95 = -20a - 25 + 10
95 = -20a - 15
-20a = 110
a = 5.5
Completing the square follows the principle of taking

and converting it into

where d is the 'correctional number' as I like to call it - i.e. the number that converts the expanded bracket into the +c, since the expanded bracket will give us

.
In this case, 2/2=1 so we have the first part:

.
Expanding this gives us

. We need c to be 9, so we can just add 8.
Putting this together:

Now we can solve it more easily.
Rearranging:
Answer:
4
Step-by-step explanation:
two negative numbers multiplied together makes a positive number. so there could not be 1,3, or 5 negative numbers, but there could be 0,2, or 4 negative numbers.
Step-by-step explanation:
↑
→
↓
←
↑
→
↓
←
conjunction are the words that join 2 sentences
Answer:
here are the answers
Step-by-step explanation:
Part A)
scientific notation ------>
standard notation ----->
Part B)
scientific notation ------>
standard notation ----->
Part C)
scientific notation ------>
standard notation ----->
Part D)
scientific notation ------>
standard notation ----->
Part E)
scientific notation ------>
standard notation ----->