exam
Maths Puzzle
Numerical Ability
Can you help me solve this?.....I have to factor this problem...
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#14
x^2-6x-16
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exam Other Question
7 sq rt 100
_____________ (divided by)
sq rt 500
Do I multiply both sides by sq rt 500 to get rid of it?
Does this make it 7 sq. rt. 50,000?
I am not sure how you divide using radicals. Thanks for any help!
Find:
sin A if cos A = -(3/5) and 90 degrees < A < 180 degrees