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3 years ago

Another math question for you guys

Mathematics

2 answers:

Strike441 [17]3 years ago

8 0

Answer: 65 Degrees

Hope this helps :)

If so brainliest would mean alot thanks!

Step-by-step explanation:

35/ 65 degrees

Pretty sure it's 65

Pepsi [2]3 years ago

3 0

Answer: 25 degrees

Step-by-step explanation: Angle ATC equals 90 degrees 90 - 65 = 25

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Estimate the number of DVDs that will be checked out for every 100 patrons.

anastassius [24]

The number of DVDs that will be checked out for every 100 patrons will be 20.

<h3>How to find that a given condition can be modeled by binomial distribution?</h3>

Binomial distributions consist of n independent Bernoulli trials.

Bernoulli trials are those trials that end up randomly either on success (with probability p) or on failures( with probability 1- p = q (say))

Suppose we have random variable X pertaining to a binomial distribution with parameters n and p, then it is written as

$X \sim B(n,p)$

The probability that out of n trials, there'd be x successes is given by

$P(X =x) = \: ^nC_xp^x(1-p)^{n-x}$

The expected value of X will be:

$E(X) = np\\$

The information is given in the table.

The probability of getting DVDs will be

$\rm p = \dfrac{2}{10}\\\\p=2$

The value of n is 100.

Then the number of DVDs that will be checked out for every 100 patrons will be

$\rm E(X) = 100 \times 0.2\\\\E(X) = 20$

Learn more about binomial distribution here:

brainly.com/question/13609688

#SPJ1

5 0

2 years ago

Samantha worked 40.5 hrs this week. she makes 9.50 per hour. how much money did she earn this week?

SashulF [63]

To find out how much money Samantha earned this week, we just need to multiply the rate of money she earns per hour by the amount of hours she worked.

9.50 * 40.5 = 384.75

Samantha earned $384.75 this week.
Hope that helped! =)

5 0

4 years ago

Find the smallest positive angle θ in QI for which tan θ = 1

sveticcg [70]

I believe the correct answer is 45 degrees. The smallest positive angle <span>θ in QI for which tan θ = 1 would be 45 degrees. We obtain it as follows:

</span>tan θ = 1
<span>θ = tan^-1 (1)
</span>θ = 45 degrees

Hope this answers the question. Have a nice day.

4 0

3 years ago

If (3² + 3² + 3²) ÷ (3ˣ) = 3, then what is the value of x? Explain your answer please.

jasenka [17]

(3^2)3=27

27/3^x=3

3(3^x)=27

3^x=9

x=2

8 0

3 years ago

I need help with these questions<br> For 21)<br> A:y=x+4<br> B:y=2x<br> C:2x+2<br> D:2/3x+1

gtnhenbr [62]

19.
Option (B) is the correct one.

Explanation:

The equation of line be is ,
y = 2x-4,

we have general equation give by,
y = mx +c

wherr m is the slope of the line and x and y are the coordinates changing,

Comparing these two we get the slop of line B as 2.

A thing you need to know here that product of slopes of a line perpendicular to another is -1.
Using this relation,

The slope of line a will be -1/2.

Let A pass through a coordinate (x,y).

Now,

Slope will be give by,
$\frac{y - 1}{x +2} = - \frac{1}{2} \\ y - 1= - \frac{x}{2} - 1 \\ y = - \frac{x}{2}$

20.
Option (A) is the correct one.

How?:

Equation of line B is y = 3x-1.

Once again using the general equation for a line,
y =mx+c
Slope of B will be 3.

Now for a pair of parallel lines their slopes are equal.

So,
Slope of A must also be 3.

Applying the generation equation for a line on A gives,

y = 3x+c

Since A is passing though coordinates (2,4) the values must satisfy this equation,

So we have,

$4 = 2(3) + c \\ c = 4 - 6 = - 2$
Now that we have value for c.
We can get the the equation we need.
So we have,

y = 3x -2.

Hope it helps.

5 0

4 years ago