sincere21
25.09.2019 •
Mathematics
Which are equivalent equations ? check all that apply.
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Ответ:
A) and D) are correct.
Step-by-step explanation:
a = 1/2(b1 +b2)h
Let's find b1
2a = (b1 + b2)h
2a/h = b1 + b2
b1 = 2a/h - b2
Now let's find h.
a = 1/2(b1 + b2)h
2a = (b1 + b2)h
h = 2a/(b1 + b2)
Therefore, A) and D) are correct.
Hope this will helpful.
Thank you.
Ответ:
$240
Step-by-step explanation:
So 60 represents the 1, so multiply 60 by 4