Answer:
-12
Step-by-step explanation:
Convert the mixed number to an improper fraction.
-2 =
To divide, just multiply by the reciprocal.
So -2 ÷ becomes ÷
Now you can multiply straight across.
× =
And simplify.
= -12
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Answer:
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Answer:
1. 0.30
2. 1.20
3. 7.50
Step-by-step explanation:
1. 0.30
2. 1.20
3. 7.50
You do 3 over 4 times 8 which equals 6. Then you take 1 over 3 times 9 which equals 3. Then you take 6-3 and it equals 3. So your answer would be 3
A:
1) Use difference of squares:
2) Use difference of squares:
B:
1) Factor out common terms in the first two terms, then in the last two terms.
Factor out the common term y-1
C:
1) Collect like terms
2) Simplify.
D:
a3 – a2 – ab + a + b – 1
= a3 – a2 – ab + b + a – 1
= a2 (a – 1) – b (a – 1) + 1 (a – 1)
= (a – 1) (a2 – b + 1)