A drilling machine can drill 12 holes in 6 minutes. If the machine drills holes at a constant speed, it can drill ______ holes i
2 answers:
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Answer:
Yes, is a solution
Step-by-step explanation:
Recall that . By replacing
in the given trigonometric equation, we get 0 (zero) as a result, so this value is a solution:
Answer:
So the number of total combinations is 35.
Step-by-step explanation:
We know that Ellen must take 4 courses this semester. She has a list of 3 math courses and 4 science courses.
Therefore, she have total 7 courses.
So, we calculate the number of combinations to choose 4 out of 7 courses.
We get:
So the number of total combinations is 35.