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Andrews [41]
3 years ago
7

What is the correct definition for sec 0?

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
Secθ = cos^(-1)θ is the same as secθ = 1/cosθ 

<span>Secant is a trigonometric function, reciprocal to the cosine. </span>

<span>People get confused because they tend to link "cosine" and "cosecant" (which is reciprocal to the sine)</span>
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Select "Growth" or "Decay" to classify each function.
allochka39001 [22]

1. The growth rate equation has a general form of:

y = A (r)^t

The function is growth when r≥1, and it is a decay when r<1. Therefore:

y=200(0.5)^2t                    --> Decay

y=1/2(2.5)^t/6                  --> Growth

y=(0.65)^t/4                       --> Decay

 

2. We rewrite the given equation (1/3)^d−5 = 81

 

Take the log of both sides:

(d – 5) log(1/3) = log 81

d – 5 = log 81 / log(1/3)

d – 5 = - 4

 

Multiply both sides by negative 1:

- d + 5 = 4

So the answer is D

5 0
3 years ago
In the United States, 40% of the population have brown eyes (based on data from Dr. P. Sorita Soni at Indiana University). If 14
Sav [38]

Answer:

0.0006087 (4 sf)

Step-by-step explanation:

Binomial distribution:  X ~ B(n, p)

where n is the number of trials and p is the probability of success

Let the random variable X be the number of people with brown eyes

n = 14

p = 40% = 0.4

Therefore,  X ~ B(14, 0.4)

P(X ≥ 12) = 1 - P(X ≤ 11)

              = 1 - 0.9993913226...

              = 0.000608677...

4 0
2 years ago
Pat bounces a basketball 25 times in 30 seconds. At that rate, approxiaetely how many times will Pat bounce the ball in 150 seco
-Dominant- [34]

Answer:

1d CV jiewxbiihve EU historical

6 0
3 years ago
How many perfect squares are found between 0 and 200
topjm [15]

Answer:

14

Step-by-step explanation:

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3 years ago
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How does the slope of a line relate to real world situations
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I think construction jobs might use it

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3 years ago
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