Answer:
A. 64
Step-by-step explanation:
The shoes are 80 dollars. We get a 20% discount
Discount = 80*20%
= 80*.20
=16
The sales price = original price less the discount
= 80 -16
= 64
Answer:
-25/9
Step-by-step explanation:
-5/6 : 3/10
-->(cross multibly)
=-5 *10 : 6*3
=-50/ 18
=-25/9
The commutatice property for addition says a+b=b+a
If it was for subtraction, then it would be a-b=b-a
Take a=7 and b=5
7-5 is not equal to 5-7
2 is not equal to -2
So subtraction is not commutative for whole numbers.
Hope this helps :)
Answer:
here's your answer
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Answer:
What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.
A) 10π feet
B) 20π feet
<u>
C) 40π feet </u>
D) 100π feet
Step-by-step explanation:
circumference = 2πr
circumference=2×π×20
circumference=40π
