Answer:
Step-by-step explanation:
3.25/.8=4.0625
multiply that by 5.6
$22.75 is your answer
Answer: I need help too to that
Step-by-step explanation:
Answer:
This isn't middle school
Step-by-step explanation:
Step-by-step explanation:
We have (x + y)² = (x + y)(x + y) = x² + 2xy + y².
Let x be 3a and y be 2.5b.
Therefore (3a + 2.5b)²
= (3a)² + 2(3a)(2.5b) + (2.5b)²
= 9a² + 15ab + 6.25b².
Hence the '*' sign should be replaced with 15ab.
My first impulse is to say you don't provide enough info with which to solve this problem. We need to know how many inches in the model correspond to 1 foot in the actual plane (that is, the scale factor). What is the scale factor here?
