400mm long because 1cm=10mm
Answer:
Step-by-step explanation:
good job?
The difference of the expression is
<h3>How to determine the difference?</h3>
The expression is given as:
Factor the denominators of the expressions:
Apply the difference of two squares to x² - 9
Take LCM
Hence, the difference of the expression is
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Answer:
55 ft... The ladder must extend 55ft
Step-by-step explanation:
Answer:
c/a
Step-by-step explanation:
The product of two solutions from the quadratic formula is c/a.