A dental filling is 9 carats. what percent of the filling is gold?
2 answers:
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Hi there! :)
Answer:
---- Starting with: ----
x² - 10x + 24
Since we have a leading coefficient of 1, simply find two numbers that sum up to -10 and multiply into 24.
By guessing and checking, we get the numbers -6 and -4. Put these into factors:
(x - 6)(x - 4)
Therefore, a binomial present in factored form is D. x - 4
Answer:
B
Step-by-step explanation:
so it is equal to an irrational number.
2 is rational, and is irrational, because it is equal to
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