PLS HELP I WILL GIVe MANY POINTS!


a. How far is the spot on the beach from the parking lot?



b. How far will he have to walk from the parking lot to get to the refreshment stand?



I have already solved A, I need B

The mean of X, or the expected value of X, is 9. This means that if we were to conduct the same experiment numerous times, on average, we would expect to observe 9 successes per 15 trials.

In probability theory, a binomial distribution is a discrete probability distribution that describes the number of successes in a fixed number of independent trials with a constant probability of success. In this case, we have a random variable X that has a binomial distribution with parameters n = 15 and p = 0.6. We are required to find the mean of X, denoted as E(X).

The mean of a binomial distribution is given by the formula E(X) = np, where n is the number of trials and p is the probability of success in each trial. Substituting the given values, we get E(X) = 15 x 0.6 = 9.

It's worth noting that the mean of a binomial distribution represents a measure of central tendency and can be used to make predictions about the likely number of successes in future trials. Additionally, the variance and standard deviation of the binomial distribution can also be calculated using formulas, and these measures provide information about the spread or dispersion of the distribution.

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The mean of X or the expected value of X is 9. This means that if we run the same test many times, on average, we expect to observe 9 successes each time experiment 15.

In probability theory, the binomial distribution is a probability variable that describes the number of successes of a fixed number of experiments. In this case, we have a random variable X that follows a binomial distribution with parameters n = 15 and p = 0.6.

We need to find the mean of X, the mean of E(X).

The mean of the binomial distribution is given by the formula E(X) = np; where n is the number of trials and p is the probability for each trial. Substituting the given values, we get E(X) = 15 x 0.6 = 9.

The binomial distribution represents a measure of central tendency and validity for predicting the number of future successes. trials.

In addition, the model can be used to calculate the variance and standard deviation of the binomial distribution, and these measures provide information about the distribution of the distribution.

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It takes a train going 50 mph approximately 11/2 miles to stop safely.

The distance a train takes to come to a stop can be determined by several factors, including the speed of the train, the weight of the train, the condition of the brakes and the track, and the reaction time of the engineer.

In general, a train going 50 mph will take about 1 1/2 miles or 8,000 feet to stop safely. This is because a train moving at 50 mph is traveling at about 75 feet per second, and it takes a significant distance to slow down a heavy object moving at such a high speed. It's important to note that this is an estimation, and the actual stopping distance may vary depending on the specific conditions.

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The perimeter of a hexagon is the sum of the lengths of its six sides. The side length of the hexagon is found by dividing the perimeter by 6, and the area can be calculated using the formula: Area = (3√3 / 2) × s². Substituting the side length and solving yields the area of the hexagon. In this case, the area is 294√3.

A hexagon is a six-sided polygon that has six angles and six vertices. It is a flat shape with straight sides that are of equal length and interior angles that add up to 720 degrees.

The perimeter of a hexagon is the total length of all six sides of the polygon. To find the perimeter, you add up the lengths of all the sides.

According to the given information:

To find the side length of the hexagon, we can use the fact that the perimeter of the hexagon is 84. Since a hexagon has six sides of equal length, the length of one side can be found by dividing the perimeter by 6:

84 / 6 = 14

Therefore, the side length of the hexagon is 14.

To find the area of the hexagon, we can use the formula:

Area = (3√3 / 2) × s²

where s is the length of one side of the hexagon. Substituting s = 14, we get:

Area = (3√3 / 2) × 14²

Area = (3√3 / 2) × 196

Area = 294√3

Therefore, the area of the hexagon is 294√3.

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To find the probability that the treatment will be successful giving both drugs to the patient, we can multiply the individual probabilities of success for each drug. the probability that only one of the two drugs will have a successful treatment is 0.37 (rounded to 2 decimal places).

P(A and B) = P(A) * P(B) = 0.44 * 0.29

P(A and B) = 0.1276

Therefore, the probability that the treatment will be successful giving both drugs to the patient is 0.13 (rounded to 2 decimal places).

To find the probability that only one of the two drugs will have a successful treatment, we need to calculate the probability of success for each drug individually and then subtract the probability that both drugs are successful.

P(Only one drug successful) = P(A) * (1 - P(B)) + (1 - P(A)) * P(B)

P(Only one drug successful) = 0.44 * (1 - 0.29) + (1 - 0.44) * 0.29

P(Only one drug successful) = 0.3652.

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Answer:

brittleness is weak and breaks easily and is little to no strength, strength means strong and mighty and is tough, very durable

Step-by-step explanation:

I know the definitions

The statement that best proves that <XWY ≅ <ZYW is that two parallel lines are cut by a transversal, then the alternate interior angles are congruent

To determine the correct statement, we need to know the properties of a parallelogram.

These properties includes;

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Answer:

$ 420

Step-by-step explanation:

Principal is $ 100 and interest is $ 320

Answer:

37

Step-by-step explanation:

To find the average, you need to add all the numbers in the set and divide that value by the total amount of numbers there are,

We already know that the average of the set of temperatures is 40,

Since there are 5 different days with temperatures, multiply 40 by 5,

40 × 5

= 200

200 is what all the temperatures should equal once they are added up,

Now add 40, 39, 44, and 40 together,

40 + 39 + 44 + 40

= 163

Now subtract 163 from 200,

200 - 163

= 37

Therefore the temperature that was recorded on the fifth day was 37f.

Answer:

V≈743.25

Step-by-step explanation:

V=5

12tan(54°)ha2=5

12·tan(54°)·4·182≈743.24624

Answer:

3,410,000

Step-by-step explanation:

3.41 * 10^6 = 3.41 * 1,000,000 = 3,410,000

Answer:

3,410,000

plz mark me as brainliest

Consequently, the room has a 7 meter width. The room's length is

\(= 7 * 3 meters = 21 meters\)

A rectangle in Euclidean plane geometry is a quadrilateral with four right angles. You might also describe it as follows: a quadrilateral that is equiangular, which indicates that all of its angles are equal. The parallelogram might also have a straight angle. Squares are rectangles with four equally sized sides. A quadrilateral of the shape of a rectangle has four 90-degree vertices and equal parallel sides. As a result, it is sometimes referred to as an equirectangular rectangle. Because its opposite sides are equal and parallel, a rectangle is also known as a parallelogram.

Given that the length of the rectangular space is three times its breadth

The chamber has a 56-meter perimeter.

Assume that the room's width is x.

As a result, the room is three times as long.

The room's perimeter is now equal to 2(3x + x).

\(Here, 2(3x + x) = 56\\ 2 * 4x = 56\\ 8x = 56\\ x = 7.\)

Consequently, the room has a 7 meter width.

The room's length is

\(= 7 * 3 meters\\= 21 meters\)

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On solving the provided question, we can say that 1 degree = 3600 arc seconds and 1 degree = 60 arc minutes.

A 160 degree angle is measured in arc minutes, often known as arcmin, arcmin, arcmin, or arc minutes (represented by the sign '). One minute is equal to 121600 revolutions, or one degree, hence one degree equals 1360 revolutions (or one complete revolution). A degree, also known as a complete angle of arc, angle of arc, or angle of arc, is a unit of measurement for plane angles in which a full rotation equals 360 degrees. A degree is sometimes referred to as an arc degree if it has an arc of 60 minutes. Since there are 360 degrees in a circle, an arc's angles make up 1/360 of its circumference.

1 degree = 3600 arc seconds

1 degree = 60 arc minutes

A. 2 degree 18'36 = 2 + 18/60 + 36 / 2600 = 231 / 100 degree

B. 36 ′ 18 ′′ = 36/60 + 18/2600 = 121 / 200 degree

C. 7 degrees 59′ 59′′ = 7 + 59 / 60 + 59 / 3600 = 28799 / 3600 degree

D. 1' = 1/60 degree

F. 1" = 1/3600 degree

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Answer:

0?

Step-by-step explanation:

Answer:

dyhsbddbshbsbsbsbs

hsbsbd

Step-by-step explanation:

hshsbzbsjsjsnsjwjsn

The joint PDF of X and Y is fx.x (x, y) = λ * exp(-λx) / x for 0 < y < x, and 0 elsewhere.

The joint probability density function (PDF) of X and Y can be obtained by multiplying the individual PDFs of X and Y, as they are independent random variables.

Given:

X ~ Exponential(λ), with mean 1 (λ = 1)

Y ~ Uniform(0, X), for 0 < y < x

To find the joint PDF, we first need to express the PDFs of X and Y.

PDF of X:

fX(x) = λ * exp(-λx) for x > 0 (Exponential distribution with parameter λ)

PDF of Y:

fY(y|x) = 1 / x for 0 < y < x (Uniform distribution on interval [0, x])

Now, we can find the joint PDF by multiplying these individual PDFs:

fx.x (x, y) = fX(x) * fY(y|x)

Substituting the PDFs:

fx.x (x, y) = (λ * exp(-λx)) * (1 / x)

fx.x (x, y) = λ * exp(-λx) / x for 0 < y < x

Therefore, the fully specified joint PDF of X and Y is:

fx.x (x, y) = λ * exp(-λx) / x for 0 < y < x, and 0 elsewhere.

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Answer:

2

Step-by-step explanation:

if f(4), than -4^2=-16

5(4)=20

-16+20-2=2

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x  =  1 /9

Decimal Form:

x  =  0. 1111111111111111111111111

Hope this helps! Have a great day!

Answer:

Plot the points on the graphing calculator, and then generate a linear regression equation.

y = -.457013x + 7.80995

r^2 = .4963, r = -.7045

x = 4--->y = 5.98

x = 6--->y = 5.07

A regression line passing through (4, 6) and (6, 5) would best fit this data.

9514 1404 393

Answer:

  -1/5

Step-by-step explanation:

To find the ratio of rise to run on a graph, it is convenient to start by looking for points where the graph crosses the intersection of grid lines. This lets you read the exact coordinates of the points, without any guessing.

In the attachment, the grid crossings we chose are circled.

The "rise" is the vertical distance between the points. If the right point is lower, the "rise" is negative.

The "run" is the horizontal distance between the points.

The reason for choosing grid crossings is that it then becomes fairly easy to count the grid lines between the points, vertically and horizontally.

On this graph, the "rise" is -1 for a "run" of 5. Then the slope, or ratio of rise to run, is ...

  m = rise/run = -1/5 . . . . . . slope of the line

The point Slope form equation is y = -1/10x + 26/5 ,  when a point (6,4) has a slope of -1/10

The point-slope form of a linear equation is given by y - y1 = m(x - x1), where (x1, y1) is a point on the line, and m is the slope of the line.

Given that the line includes the point (6,4) and has a slope of -1/10, we can substitute these values into the point-slope form to get the equation of the line:

y - 4 = -1/10(x - 6)

Simplifying this equation gives:

y = -1/10x + 26/5

So, the equation of the line in point-slope form is y = -1/10x + 26/5

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Answer: Commutative property of multiplication

This is the rule where  A*B = B*A for any two real numbers A,B. In short, we can multiply in any order to get the same result.

Example: 5*8 = 40 and 8*5 = 40 as well.

The solution to the compound inequality given as 6b < 36 or 2b + 12 > 6 is b < 6 or b > -3

The compound inequality is given as:

6b < 36 or 2b + 12 > 6

Evaluate the like terms in the individual inequalities

6b < 36 or 2b > -6

Divide the individual inequalities by the coefficients of b

b < 6 or b > -3

Hence, the solution to the compound inequality given as 6b < 36 or 2b + 12 > 6 is b < 6 or b > -3

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The asymptotes of the reciprocal function are x = 3 and y = 4. Also, the domain is x < 3 or x > 3 and the range is y < 4 or y > 4

The function is given as:

f(x) = -2[1/0.5(x -3)] + 4

A reciprocal function is generally represented as:

f(x) = a[1/(x -c)] + k

So, we have:

a = -2

c = -3 * 0.5

c = -1.5

k = 4

d = 0

Hence, the values of a, c, d and k are -2, -1.5, 0 and 4

We have:

f(x) = -2[1/0.5(x -3)] + 4

Set the radical to 0

y = 0 + 4

Evaluate

y = 4

Set the denominator to 0

x - 3 = 0

Evaluate

x = 3

Hence, the asymptotes are x = 3 and y = 4

See attachment for the graph of the function f(x) = -2[1/0.5(x -3)] + 4

The table of values is

x         y

-4        4.6

-2      4.8

2        8

4        0

From the graph of the function, the domain is x < 3 or x > 3 and the range is y < 4 or y > 4

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Their present age are:

Vikas 's age = 15 years, Mother's age = 42 years  and

Grandmother's age = 64 years.

Let that present age of Vikash is x yrs.

So, his Mother's age= (x+27) yrs

Grandmother's age = (x+27+22) i.e., (x+49) yrs.

According to question,

   x+ (x+27)+ (x+49) = 121

⇒ 3x+ 76 = 121

⇒ 3x = 121-76

⇒ x= 45/3

⇒ x = 15

Therefore,

x = 15

Which means the age of Vikas is 15 years.

Now

So, mother's age will be = 15+27

                                        = 42 years.

And,

Grandmother's age = 15+49

                                = 64 years.

Hence, age of Vikash, his Mother and his Grandmother are 15 yrs, 42 yrs, and 64 yrs respectively.

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The value of x such that two angles are supplementary is 14°.

When the sum of the two angles is 180° they are said to be supplementary.

When the sum of the two angles is 90° they are said to be complementary.

Given, Two angles are complementary to each other. One angle measures 32°, and the other angle measures (12x - 20)°.

So, the sum of these two angles is supplementary.

∴ (12x - 20)° + 32° = 180°.

12x - 20° + 32° = 180°.

12x + 12° = 180°.

12x = 180° - 12°.

12x = 168°.

x = 14°.

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Answer:

I thinks its 180 degrees conter clockwise

so one square thing is 90 degrees

and it goes 2 times

u welcome and good luck :)

Answer:

The answer is rotation 180 degrees counterclockwise about the origin.

Step-by-step explanation:

The first choice.

Looking at the other choices when u do a reflection across the y-axis then 8 units up point b doesn’t match up.

Second choice.

When you do a reflection across the x-axis you would have to do 10 units to the left not 4.

Third choice.

If u just do a rotation 90 degrees the triangle wouldn’t be in the right quadrant.

Therefore the choice is 4 the last one

Answer:

x = 2

Step-by-step explanation:

Given

- 20 = - 4x - 6x = - 10x ( divide both sides by - 10 )

2 = x, or x = 2

Ashley used a pair of shapes known as "rhombuses" in her design. Rhombuses are quadrilaterals that have at least two pairs of parallel sides and at least three equal-length sides.

A rhombus is a quadrilateral with the following properties:

It has four sides of equal length.

It has opposite sides that are parallel to each other.

It has diagonals that bisect each other at right angles.

From the given description, Ashley's shapes have at least three equal-length sides, which matches the first property of a rhombus. Additionally, both shapes have at least two pairs of parallel sides, which satisfies the second property of a rhombus.

Other types of quadrilaterals, such as rectangles and squares, also have at least two pairs of parallel sides. However, they do not necessarily have three equal-length sides, so they do not meet all the criteria mentioned in the description.

Therefore, based on the given information, Ashley used the pair of shapes known as "rhombuses" in her design.

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