Answer:
GIVEN :
Patti is using mental math to evaluate the expression (70 + 12.8 + 30) + 6.1
TO FIND :
The properties of operations allow Patti to simplify.
SOLUTION :
Given that Patti is using mental math to evaluate the expression (70 + 12.8 + 30) + 6.1.
Option d) She can use the commutative property to rewrite the expression as (70 + 30 + 12.8) + 6.1 is correct.
For :
Patti's expression is (70 + 12.8 + 30) + 6.1
By using the commutative property of addition
a+b=b+a
(70 + 12.8 + 30) + 6.1
= (70+30+12.8)+6.1 (here a=12.8 and b=30)
∴ the properties of operations allow Patti to take is the commutative property of addition.
Answer:
82.5 minutes
Step-by-step explanation:
We have to figure out how many minutes are in 17/8 hours. 17/8 = 2 1/8 hours. We know that 2 hours is 120 minutes.
1/8hours x 60 min = 7.5 minutes.
120 + 7.5 = 127.5 minutes then subtract out 45. That leaves 82.5 minutes.
Is C g(x) = -X^2 -3
This is the answer
Luckily, all of the denominators are factors of 100.
rainy: 12/100
sunny: 44/100
partly cloudy: 30/100
cloudy: 10/100
happy learning!
-mathgurl
