Algebra 1
posted by deedee
10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring.
A) determine the minimum furnace output for a 2100 ft squared modern house.
B) solve formula for a
Answer:a) 630,000
b) unsure how to calculate
24)Translate the phrase into an algebraic expression.
Justin had $36 dollars before spending d dollars on jeans. How much money remains?
The translation is $_____
Answer: how can that even be calculated? There is not enough info
25)7/(4.3)
Answer: 30.1
36)Simplify
32xy over 56x
Answer:? no clue

Dr Russ
10A)
It appears to be b=30xa where a is 2100 ft^2 so I get 63000 BTUs (no apostrophe)
B) a=b/30
24) dollars left = 36d
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