I would say D but I’m not sure sorry
Answer:
35 is 2 standard deviations BELOW the mean of 43
51 is 2 standard deviations ABOVE the mean of 43
find z - score for + 2 S.D. then subtract the z-score for - 2 S.D.
This is the percentage ( in decimal form) of 200 members between the ages of 35 and 51 Can you finish?
I suppose that when you write "log^6" , you want to say log₆
Change of base formula:
loga b=logc b / logc a
log₆ 120=ln 120 / ln 6=2.67
Answer: log₆ 120=2.67
9514 1404 393
Answer:
cot(θ) = 24/7
Step-by-step explanation:
A suitable calculator can answer this nicely.
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Perhaps you're expected to remember relevant trig identities.
tan(θ)^2 = sec(θ)^2 -1
cot(θ) = 1/tan(θ)
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cot(θ) = 1/√(sec(θ)^2 -1)
cot(θ) = 1/√((25/24)^2 -1) = 24/√(25^2 -24^2) = 24/√49
cot(θ) = 24/7
A and 90-a is the measure of the two angles
a=90-a-6
2a=84
a=42
42° and 48°
