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3 years ago

What is the y-intercept of function ?

Mathematics

1 answer:

drek231 [11]3 years ago

8 0

Answer:

because y-axis is a point where the graph of a function or relation intersects the y-axis of the coordinate system.

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PLEASE HELP!! if sec x=5/3 what is the value of b? NL=20 LM=3b angle of L is x degrees.

Readme [11.4K]

Answer:

a. b=4

Step-by-step explanation:

$\sec \theta =\dfrac{1}{\cos \theta} = \dfrac{Hypotenuse}{Adjacent}$

From the attached triangle drawn below:

NL=20, LM=3b, $\angle L=x^\circ$

$\sec x =\dfrac{20}{3b}$

Since we are told that:

$\sec x =\dfrac{5}{3}\\$Then:\\\dfrac{20}{3b} =\dfrac{5}{3}\\$Cross multiply\\5 \times 3b =20 \times 3\\15b=60\\$Divide both sides by 15\\15b \div 15 =60 \div 15\\b=4$

The correct option is A.

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2 years ago

Find the sum<br> 4 1/2 + 5 1/2

Otrada [13]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

What is equivalent to (3^6/y^-5)^2

Fantom [35]

I believe that the answer is 1/5. I hope that this answer helps!<span />

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2 years ago

PLEASE HELP ME REALLY REALLT REALLY FAST AND SHOW YOUR WORK

insens350 [35]

Answer: 27

Step-by-step explanation:

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2 years ago

Sixty-eight percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adu

Pavlova-9 [17]

Answer:

Mean = 3.4

Variance = 1.088

Standard deviation = 1.0431

Step-by-step explanation:

$P=0.68\\ \\N=5$

The mean of a binomial distribution with parameters N (the number of trials) and p (the probability of success for each trial) is $m=N\cdot p$

Thus,

$m=5\cdot 0.68=3.4$

The variance of the binomial distribution is $s^2=Np(1-p)$ , where $s^2$ is the variance of the binomial distribution, so

$s^2=5\cdot 0.68\cdot (1-0.68)=3.4\cdot 0.32=1.088$

The standard deviation $s$ is the square root of the variance $s^2,$ so

$s=\sqrt{1.088}\approx 1.0431$

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2 years ago