Help? Someone please?!

A candle stick chart shows open and close prices and highs and lows, but over a long time period it can also show pricing trends.

In Mathematics and statistics, a chart can be defined as an effective medium that is used to graphically display data in a pictorial form. This ultimately implies that, a chart typically comprises the following elements:

In Financial accounting and statistics, a candle stick chart can be defined as a type of price chart that is typically used in technical analysis to graphically represent the low, high, open, and closing prices of a derivative, security, or currency, over a specific period of time.

In conclusion, a candle stick chart can display pricing trends over a long time period.

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Probabilities are used to determine the chances of an event.

The probability that both selections are boys is 0.1667

The given parameters are:

boys= 35

girls= 50

total= 85

Since two are chosen to sing a duet, then the selection is without replacement.

So, the probability that both selections are boys is

p=boys/ total * boys-1/ total -1

This gives

p= 0.4118*0.4048

Hence, the probability that both selections are boys is 0.1667

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Answer:

∠FDE or ∠GDA

Step-by-step explanation:

The adjacent angle refers to the angle which lies right next to an angle, and the sum of the angles is 180, meaning they are supplementary.

Here, in this diagram, there are 2 adjacent angles for ∠FDG :

The slope of the line that passes through the points (-5, 6) and (-9, -6) is 3

What is slope ?

A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

Let the given points as shown:

(x1,y1)= (-5, 6) and (x2,y2)= (-9, -6)

Slope = m = (y2-y1) /( x2-x1)

                 = (-6-6) /(-9-(-5))

                 = -12/-4

                 = 3

So, the slope of the line that passes through the points (-5, 6) and (-9, -6) is 3

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Answer:

x = -7/2

Step-by-step explanation:

-2(5x - 3) = 41

Distribute the -2 inside the parenthesis.

-10x + 6 = 41

Subtract 6 from both sides.

-10x = 35

Divide both sides by -10.

x = 35/-10

Simplify the fraction.

x = -7/2.

Proof:

-2(5x - 3) = 41

Substitute variable.

-2(5(-7/2) - 3) = 41

Multiply 5 and -7/2.

-2(-35/2 - 3) = 41

Turn 3 into a fraction with denominator 2.

-2(-35/2 - 6/2) = 41

Subtract 6/2 from -35/2.

-2(-41/2) = 41

Multiply -2 and -41/2.

41 = 41.

Selection of machines is persons choice and not arranged specifically, thus we will use Combination.

⇒ 20C5

⇒ 20!/5!(20-5)!

⇒ 15504

Use combination

total ways

\(\\ \rm\dashrightarrow ^nC_r=\dfrac{n!}{r!(n-r)!}\)

\(\\ \rm\dashrightarrow ^{20}C_5\)

\(\\ \rm\dashrightarrow \dfrac{20!}{5!15!}\)

\(\\ \rm\dashrightarrow \dfrac{20(19)(18)(17)(16)(15!)}{5(4)(3)(2)(15!}\)

\(\\ \rm\dashrightarrow 15504\)

The question gives that 9 egg cartons contain 72 eggs.

It then follows that we can find the number of eggs in one carton by division.

Hence, in one carton, we have

We can, therefore, fill the boxes as shown below:

There are 8 eggs in one carton.

Based on the attached photo and explanation below, the price should not be increased at all.

Note: See the attached photo for the calculation of Revenues at Different Number of Customers and Prices.

Every other being equal, profit is maximized when revenue is at the maximum,

From the attached photo, it can be seen that revenue is at the maximum or the highest when the price is $10 and the number of customers is 1,000.

Increasing the price in increments of a dollar results in a fall in revenue progressively until it reaches $0.

Therefore, the price should not be increased at all.

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k=13

Step-by-step explanation:

180 =(4k-7) + (3k+6) +90

180= 7k+89

-89 -89

91= 7k

÷7 ÷7

k=13

Answer:

45

Step-by-step explanation:

Answer:

the answer would be 45 degrees

Step-by-step explanation:

this is because when you look at the rectangle all for interior angles ar e90 degrees each and the line cuts perfectly from one side to the other forming two right triangles. in a right triangle the two acute angles equal 45 degrees each.

Answer:

im not sure i wish i can help but goodluck

Step-by-step explanation:

Answer:

0.502513 pounds per dollar

Step-by-step explanation:

divide 1/2 pound and 1.99 by 1.99 to get the answer

The first- and second order partial derivatives of the function f(x,y) = 3xy - 2xy² - x²y are:

∂f/∂x = 3y - 4xy - x², ∂f/∂y = 3x - 4xy - x²∂²f/∂x² = -4y, ∂²f/∂y² = -4x and ∂²f/∂y∂x = -4y.

Given function:

f (x,y) = 3xy - 2xy² - x²y

Let's find the first order partial derivatives.

1. First order partial derivative with respect to x.

Keep y constant and differentiate with respect to x.∂f/∂x = 3y - 4xy - x²2.

First order partial derivative with respect to y

Keep x constant and differentiate with respect to y.

∂f/∂y = 3x - 4xy - x²

Let's find the second order partial derivatives.

1. Second order partial derivative with respect to x.

Keep y constant and differentiate ∂f/∂x with respect to x.∂²f/∂x² = -4y2. Second order partial derivative with respect to y.Keep x constant and differentiate ∂f/∂y with respect to y.∂²f/∂y² = -4x3. Second order partial derivative with respect to x and y.

Keep x and y constant and differentiate ∂f/∂y with respect to x.∂²f/∂y∂x = -4y

From the above steps, we can say that the first order partial derivatives are:∂f/∂x = 3y - 4xy - x²and ∂f/∂y = 3x - 4xy - x²The second order partial derivatives are:

∂²f/∂x² = -4y∂²f/∂y² = -4x

and ∂²f/∂y∂x = -4y

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Answer:

1 \(\frac{11}{12}\)

4 1/4 - 2 1/3 = 23/12 (1.91...)

23/12 as a mixed number is 1 11/12.

The answer is 1 11/12. Hope it helps!

Answer:

157

Step-by-step explanation:

Step-by-step explanation:

-5 will mutiply t to give 5t = 9

then divide both sides by 5

t = 9/5

Applying one of the properties of a parallelogram, the value of x is 10°, then 6x=60° and 12x=120°.

There are different quadrilaterals, for example square, rectangle, rhombus, trapezoid, and parallelogram.  Each type is defined accordingly to its length of sides and angles. For example, a parallelogram presents some properties that are presented below.

The figure of the exercise shows two adjacent angles. From the property: the adjacent angles are supplementary, you have:

6x+12x=180

18x=180

x=10°

Therefore, 6x= 6*10=60° and 12x=12*10=120°.

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True, the SDLC's planning phase yields a general overview of the company and its objectives. During this initial stage, the project's purpose, scope, and requirements are defined.

True. The planning phase of the Software Development Life Cycle (SDLC) is crucial in determining the direction and scope of the project. During this phase, the project team analyzes the company's goals, objectives, and requirements. This includes identifying the company's strengths, weaknesses, opportunities, and threats (SWOT analysis). The team also determines the feasibility of the project, identifies potential risks, and creates a plan for project execution. The planning phase yields a general overview of the company and its objectives, providing a solid foundation for the rest of the SDLC stages. It is essential to have a well-defined plan during this phase to ensure that the project aligns with the company's objectives and meets the expectations of the stakeholders.

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Answer:

Slope is .18

Step-by-step explanation

Find two points along the line.

Calculate slope using \(\frac{y2-y1}{x2-x1}\).

I used the points (1985, .21) and (1990, .30).

a) The part of the experiment that will yield discrete data is the number of yes and no answers.

This is because the responses to the question "do you have an R.N. degree?" can only be either "yes" or "no," which are discrete categories. The number of yes responses and the number of no responses will be whole numbers and not continuous values.

b) The part of the experiment that will yield continuous data is the computed percentage of nurses with an R.N. degree. This is because the percentage can take on any value within the range of 0% to 100%, including decimal values. It is a continuous variable since it can have an infinite number of possible values within the given range.

The number of nurses at a hospital, percent of nurses in America with an R.N. degree, and the number of nurses in America are not directly obtained from the experiment but are instead population-level information. These quantities are not part of the data collection process in this particular experiment.

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The absolute value function for this problem is given as follows:

g(x) = |x - 1| - 2.

An absolute value function of vertex (h,k) is defined as follows:

y = a|x - h| + k.

In which a is the leading coefficient.

The coordinates of the vertex for this problem are given as follows:

(1, -2).

As the slope of the line is of 1, the leading coefficient is given as follows:

a = 1.

Hence the absolute value function for this problem is given as follows:

g(x) = |x - 1| - 2.

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Answer:

993

Step-by-step explanation:

\( \frac{x}{12} = \frac{25}{60} \\ 60x = 25 \times 12 \\ 60x = 300 \\ x = \frac{300}{60} \\ \boxed{x = 5}\)

The amount of money that I will have at the end of 20 years would be =$4,480. That is option D

Compound interest is defined as the interest that is being earned on an account which is based on the rate and the time the investment was made.

The total amount invested (p)= $2,000

The rate of investment (r) = 5%

The time of investment(t)= 12 year

The compound interest warm from that account;

= P×T×R/100.

= 2,000×12×5/100

= 120000/100

= $1200

For the next 8 years with the rate of 8% ;

= 2,000×8×8/100

= 128000/100

= $1280

The total compound interest = $1200+$1280= $2,480

Therefore, the amount of money that I will have at the end of 10 years would be = 2000+2480 = $4,480

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The linear equation for the given chart is: y = -3x + 7.

From the chart given, we can use two pairs of values to find the slope (m) and the y-intercept (b), then plug in their values into the equation that is expressed in slope-intercept form as y = mx + b.

Using two points, (1, 4) and (3, -2), find the slope (m):

Slope (m) = change in y / change in x = (-2 - 4) / (3 - 1)

Slope (m) = -6/2

Slope (m) = -3

Find the y-intercept (b) by substituting m = -3 and (x, y) = (1, 4) into y = mx + b:

4 = -3(1) + b

4 = -3 + b

4 + 3 = b

7 = b

b = 7

To write the linear equation, substitute m = -3 and b = 7 into y = mx + b:

y = -3x + 7

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If the company uses the double-declining-balance method, the asset will reach its residual value in the 9th year. We can find the solution in the following manner.

Under the double-declining-balance method of depreciation, the depreciation rate is twice the straight-line rate, and the book value is multiplied by the depreciation rate each year. The formula for calculating the depreciation expense is:

Depreciation expense = (2 / Useful life) x Book value at the beginning of the year.

In this case, the construction machinery has a useful life of 8 years and a cost of $100,000 with a residual value of $20,000. Therefore, the depreciable base is $80,000 ($100,000 - $20,000).

To calculate the depreciation expense for the first year, we use the formula:

Depreciation expense = (2 / 8) x $100,000 = $25,000

The book value at the beginning of year 2 is:

Book value = Cost - Accumulated depreciation

Book value = $100,000 - $25,000 = $75,000

To calculate the depreciation expense for year 2, we use the same formula:

Depreciation expense = (2 / 8) x $75,000 = $18,750

We continue to calculate the book value and depreciation expense for each year until the book value reaches the residual value of $20,000.

Year 1:

Book value = $100,000 - $25,000 = $75,000

Year 2:

Book value = $75,000 - $18,750 = $56,250

Year 3:

Book value = $56,250 - $14,063 = $42,187

Year 4:

Book value = $42,187 - $10,547 = $31,640

Year 5:

Book value = $31,640 - $7,910 = $23,730

Year 6:

Book value = $23,730 - $5,932 = $17,798

Year 7:

Book value = $17,798 - $4,450 = $13,348

Year 8:

Book value = $13,348 - $2,337 = $11,011

Year 9:

Book value = $11,011 - $1,674 = $9,337

Therefore, the asset will reach its residual value in Year 9.

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The probability that the bird feeder will be visited by more than 5 birds in a 40 minute period during daylight hours is 0.835.

In the question Justin has a bird feeder which gets visited by an average of 18 birds every 2 hours during daylight hours and we have to find what is the probability that the bird feeder will be visited by more than 5 birds in a 40 minute period during daylight hours.

This can be calculated using the Poisson distribution formula, P(X > 5) = 1 - P(X ≤ 5).

P(X > 5) = 1 - P(X ≤ 5)

= 1 - (P(X=0) + P(X=1) + P(X=2) + P(X=3) + P(X=4) + P(X=5))

= 1 - (0.0022 + 0.0133 + 0.0514 + 0.1245 + 0.2141 + 0.2769)

= 0.8351

Therefore, the probability that the bird feeder will be visited by more than 5 birds in a 40 minute period during daylight hours is 0.835.

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