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elixir [45]
3 years ago
6

What is the period of the function F(x) = -4sec (1/2 x)

Mathematics
1 answer:
serg [7]3 years ago
8 0

Answer:

A) 4π

Step-by-step explanation:

The period of a secant function, f(x)=a*sec(bx+c)+d, is defined as 2π/|b| where b is the distance of the period. Since we know b=1/2 given by the function, then the period is 2π/|1/2|=2π/(1/2)=2π(2/1)=4π.

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8_murik_8 [283]

Answer:

0.026

Step-by-step explanation:

Given the result of 10 coin flips :

T,T,H,T,H,T,T,T,H,T

Number of Heads, H = 3

Number of tails, T = 7

Let :

B = biased coin

B' = non-biased coin

E = event

Probability that it is the biased coin:

P(E Given biased coin) / P(E Given biased coin) * P(E Given non-biased coin) * P(non-biased coin)

P(E|B)P(B) / (P(E|B)*P(B) + P(E|B')P(B')

([(0.75^3) * (0.25^7)] * 0.5) /([(0.75^3) * (0.25^7)] * 0.5) + (0.5^10) * 0.5

0.0000128746 / 0.00050115585

= 0.0263671875

7 0
3 years ago
CAN SOMEONE HELP ME I HAVE A BIG TEST BUT I SUCK AT MATH
allsm [11]

Answer:

y = 8

Step-by-step explanation:

if you do -2 + -2 and add ten to it you get 8

5 0
3 years ago
The pollutant PCB (polychlorinated biphenyl) can affect the thickness of pelican eggshells. Thinking of the thickness, T, of the
gayaneshka [121]

Answer:

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Step-by-step explanation:

Since we are given that T = f(P)

Where T = thickness of the eggs

P = concentration in ppm ((parts per million))

Considering f(200) comparing to f(P)

The expression f(200) depicts the value of the concentration of the pollutant, which when substiuted in the expression T = f(P) will give the value of the thickness of the pelican eggs.

i.e substituted the value of the concentration in ppm to get the thickness of the pelican eggs in mm. since the expression shows thickness of pelican eggs as a function of the concentration. for every 200ppm of concentration, the numerical value of the thickness of pelican eggs can be gotten.

6 0
3 years ago
.. through the points (4,7) and (-6, -6) and put into slope-intercept form​
TiliK225 [7]

Answer: y = 1.3x + 1.8

Step-by-step explanation: I used Desmos

5 0
3 years ago
three uses 8 pieces of glass per square foot to make a stained glass window how many pieces of glass will he need to make a wind
yanalaym [24]
1 foot<span> = </span>12<span> inches
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8 0
3 years ago
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