Answer:
B. h=2A/(b1+b2) . . . . parentheses are needed
Step-by-step explanation:
Multiply the equation by the inverse of the coefficient of h. That coefficient is (b1 +b2)/2, so its inverse is 2/(b1 +b2). Parentheses are needed.
... 2A/(b1 +b2) = h
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<em>Comment on the answer choices</em>
As written, <em>none of them are correct</em>. The denominator can only be written without parentheses if the division bar is horizontal, and so serves also as a grouping symbol.
Answer:
H Maggie is write answers
Answer:
y=6/5 or 1 1/5
Step-by-step explanation:
combine like terms
5y+1= 10y-5
subtract 5y from both sides
1=5y-5
add 5 to both sides
6=5y
divide by 5 on both sides
6/5=y
Answer:
1:8
Step-by-step explanation:
