Answer:
You have to say which one is the shaded region the circle or the rectangle
Step-by-step explanation:
A) 40
B) 30
C) 20
a) 10 and 4
b) 10 and 6
c) 10 and 8
Answers:
C) 20 —-> a) 10 and 4
B) 30 —-> b) 10 and 6
A) 40 —-> c) 10 and 8
Explanation:
20: 10 x 2 = 20 ; 4 x 5 = 20
30: 10 x 3 = 30 ; 6 x 5 = 30
40: 10 x 4 = 40 ; 8 x 5 = 40
<span>Lennie used
associative law of addition.
Associative law of addition doesn’t matter how you group the given numbers to
add.
a + (b + c) = (a + b) + c
=> 19 + (11 + 37) or ( 19 + 11) + 37
=> 19 + (48) or (30) + 37
=> 67 or 67</span>
M•8=142 is the equation i believe