Answer:
C) 6 to 5
Step-by-step explanation:
if there is 6 new books there is 5 used books (11 - 6 = 5)
so new to used is 6 to 5
Answer: So it's negative (If thats ok) 3 3/8
Step-by-step explanation:
Answer: $81.03
Step-by-step explanation:
The interest is compounded annually which means that the future value formula applies:
Future value = Amount * ( 1 + rate) ^ number of years
Amount = $70
Rate = 5%
Number of years = 3 years
In 3 years, Ernesto will have:
= 70 * ( 1 + 5%)³
= $81.03
Answer: 11
Step-by-step explanation: As n goes up, ^an goes up 11 every time. If it was negative, the number would be going down as n went up.
Answer:
The proposition is true.
Step-by-step explanation:
Now we proceed to demostrate that expression given is true by algebraic means:
1)
Given
2)

3)
Distributive property/
4)
Commutative, associative and modulative properties/Existence of additive inverse/
5)
Commutative property/Definition of division
6)

7)
Distributive property/Associative property/
8)
Modulative property/Existence of additive inverse/
9)
Distributive property
10)

11)
Commutative property/Definition of division/Result