I have four times as much money as my brother has. Our total is $55. How much does each of us have?
2 answers:
Answer:
27.5
Step-by-step explanation:
Divide 55 by 4 and you get the answer 13.75 Becaussseeeee 13.75 x 4 = 55
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None of the choices are equivalent 64/4 is 16 a is 4 b is 4 c is 2 d is 1
9.9 because it's on the tenth place
Step-by-step explanation:
Answer:
C 9i
D -9i
Step-by-step explanation:
sqrt(-81)
sqrt(81) sqrt(-1)
we know that sqrt(-1) = i
±9i
With rational coefficients (a, b and c), if one zero is rational, that means the discriminant is rational. We can conclude that the other is also rational.