momo842
08.12.2020 •
Mathematics
Use the associative property of addition to rewrite (20 + 11) + 5. Which expression is equivalent? O A. 5(20 + 11) B. (10 + 10 + 10) + 5 O C. 20 + (11 +5) D. (20 - 11) +5
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Ответ:
i also needed help on this qustion and the awnser is
Step-by-step explanation:
C.
its the same problem and nothing changed besides the order↑≠≈
Ответ:
1/12 = x/456
To solve for x, we can perform cross multiplication:
12x = 1(456)
12x = 456
Divide both sides by 12 to solve for x:
12x / 12= 456 / 12
x = 38
Therefore, the correct answer is Option 4: x = 38