help I hate math i have no clue what I'm do

Answer:

61 bales of hay

Step-by-step explanation:

38 + 61 = 99

Answer:

B. 4%

Step-by-step explanation:

Since Hope earns $45,000 per year in taxable income, she falls under the second tax bracket (income higher than $40,000) for long term capital gains = 15%.

Her total capital gain was $200 x (1 - 15%) = $170 in net after tax earnings

her return on investment = net after tax earnings / total investment = $170 / $4,250 = 0.04 = 4%

Answer: 4%

Step-by-step explanation:

The roots of the equation will be imaginary. Then the number of real solutions will be zero.

The discriminant represents the types of the root. And the discriminant (D) of the equation ax² + bx + c = 0 is given as

D = b² - 4ac

The type of roots will be given below.

The equation is given below.

x² + 4x + 5 = 0

The discriminant of the given equation will be

D = 4² - 4 x 1 x 5

D = 16 - 20

D = - 4

D < 0

The roots of the equation will be imaginary. Then the number of real solutions will be zero.

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Answer:

433345344 Answer

Step-by-step explanation:

The pick-up rate in this scenario would be 80%. This is calculated by dividing the number of rooms occupied (160) by the number of rooms reserved (200), and then multiplying by 100 to get a percentage. So, (160/200) x 100 = 80%. This means that 80% of the reserved rooms were ultimately occupied.

It's important to note that a pick-up rate of 80% is generally considered to be a good result in the hospitality industry. It indicates that the hotel was able to accurately predict the number of rooms that would be needed by the groups, and that the groups themselves followed through on their reservations. A lower pick-up rate could suggest that the hotel overestimated demand, or that some of the groups cancelled their bookings at the last minute. On the other hand, a higher pick-up rate could indicate that the hotel was too conservative in its initial estimates, or that some of the groups requested additional rooms after the initial reservation was made. Ultimately, the pick-up rate is a useful metric for assessing the accuracy of a hotel's forecasting and planning processes.

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Answer:

6.00b + 7.75s ≥ 250

b + s ≤ 40

Step-by-step explanation:

6.00b + 7.75s ≥ 250---this represents how much he will make

b + s ≤ 40---these are his hours. B+S are his hours, and they can't be greater than 40 hrs, so ≤.

Answer:

(36,25)

Step-by-step explanation:

We want to find where the two lines intersect

We know the x value is about 1/2 way between 30 and 40 and the y value is close to 25

The closest value is (36,25)

Step-by-step explanation:      I GOT YOU

The point at which the prices are the same would be at (36, 25)

I know this to be true because that's when the lines touch each other (intersect) on the graph. After 36 minutes go by the cost is 25 dollars for both lines. Also the sides have names, cost on the left, and time on the bottom. And the lines stand for the store prices over time. In summary, just look at the number on the side and bottom and see where the lines intersect.

The statement 'The steps involved in a two sample hypothesis test are not necessarily twice the number of steps in a one sample hypothesis test.' is false Because, While a two sample hypothesis test may involve additional steps, such as comparing the means or variances of two samples, the number of steps involved in each type of test can vary depending on the specific hypothesis being tested and the statistical method used.

The number of steps in a hypothesis test is not determined by the number of samples being tested. Instead, the steps involved in a hypothesis test depend on the type of test being conducted, the level of significance chosen, and the nature of the data being analyzed.

In both one-sample and two-sample hypothesis tests, the basic steps involved are as follows:

State the null and alternative hypotheses.

Choose the level of significance.

Determine the appropriate test statistic and its distribution under the null hypothesis.

Collect the data and calculate the test statistic.

Determine the p-value or the critical value.

Draw a conclusion and make a decision regarding the null hypothesis.

The main difference between a one-sample and a two-sample hypothesis test is that in a one-sample test, we compare the sample data to a known population parameter, while in a two-sample test, we compare the sample data from two different groups.

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Answer:

3 in.

Step-by-step explanation:

5x5=20

7x2=14

20-14=6

6 divided by 2=3

Hope this helped

Answer: 333.2ft

Step-by-step explanation:

We can draw a triangle rectangle, where the distance between the base of the building and the car is one cathetus (300ft)

The height of the building is the other cathetus.

Now, we know that the angle of depression from the top of the building to the car is 42°

This angle is measured from a perpendicular line in from the building, so the "top angle" of the triangle rectangle will be:

90° - 42° = 48°

if we steep on this angle, the 300ft cathetus is the opposite cathetus and the height of the building is the adjacent cathetus.

Here we can use the relation:

Tan(A) = Opposite cathetus/adjacent cathetus:

Then:

Tan(48°) = H/300ft

Tan(48°)*300ft = H = 333.2ft

Answer:

270 ft

Step-by-step explanation:

The angle of depression from the top of the building to the car = 42° and the distance from the car to the building is 300 ft.

This can be represented by a right triangle with:

Adjacent side to the angle = distance from the car to the building = 300 ft, opposite side to angle = height of building = x and angle (θ) = 42°

From trigonometry:

\(tan(\theta)=\frac{opposite}{adjacent} \\Therefore:\\tan(42)=\frac{x}{300}\\ x = 300*tan(42)= 300*0.9\\x=270ft\)

The height of the building is 270 ft

The following steps are necessary t find the total magnification of the lens.

To determine the total magnification of a microscope, you need to multiply the magnification of the objective lens by the magnification of the eyepiece lens. Here's a step-by-step explanation:

1. Identify the magnification of the objective lens, which is typically marked on the lens itself (e.g., 10x, 40x, or 100x).
2. Identify the magnification of the eyepiece lens, which is usually marked on the eyepiece (e.g., 10x).
3. Multiply the magnification of the objective lens by the magnification of the eyepiece lens to determine the total magnification.

For example, if you have a 40x objective lens and a 10x eyepiece lens, the total magnification of the microscope would be 40x * 10x = 400x.

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The distance between these two lines  y=1/2x+2 and x-2y=6 is 10/√5

Distance between two lines:

We know that, the parallel lines can be extended till infinity. The slopes of two parallel lines are equal.

Distance d between two parallel lines

y = mx + c1 and

y = mx + c2 is calculated by the

d = |C1–C2|/√(A² + B²)

Given,

Here we have the two line equation they are,

y=1/2x+2 and x-2y=6

And we need to find the distance between them.

To find the distance between the lines, then we ahve to make the equation into standard form, that is,

y = mx + c

Here the first equation is in standard form, so we have to convert the second one,

So, the second equation is written as,

x - 2y = 6

-2y = 6 - x

y = (6 - x)/-2

y = -3 + 1/2 x

y = 1/2 x - 3

Now, we have to derive the value of the following from the given equation, then we get,

Slopes are same m1 = m2 = 1/2 and c1 = 2 ,c2 = -3.

here a = 1/2, b = -1

Now, apply the values on the formula, then we get,

d = |2 - (-3)|/√(1/2)² + (-1)²

d = 5/√1/4 +1

d = 5/√5/4

d = 5/√5/2

d = 10/√5

Therefore, the distance between these two equation is 10/√5.

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The result of 9.75 × 5 is 48.75

To solve the problem above, we can use the formula for operating decimal fractions.

How to calculate it is like when calculating the multiplication of integers, but at the end count the number of digits after the decimal point to determine the number of digits after the decimal point in the final result.

So that,

9.75 × 5 = 48.75

or

9.75 × 5

= (9 + 0.75) × 5

= (9 × 5) + (0.75 × 5)

= 45 + 3.75

= 48.75

So, the result of 9.75 × 5 is 48.75

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ANSWER. My answer might be wrong also.

The measures of central tendency of the first psychology exam in a semester are the average score, which was an 85.

The correlation coefficient and the range of scores from 95 to 65 are not measures of central tendency either.

The standard deviation is a measure of variability, not central tendency, that the measures of central tendency of the first psychology exam are the average and median scores. This states that the mode, correlation coefficient, range of scores, and standard deviation are not measures of central tendency.

Hence, the measures of central tendency for the first psychology exam in a semester are the average score (85) and the median score (80).

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The measures of central tendency for the psychology exam scores include the average, median, and mode.

The measures of central tendency of the first psychology exam in a semester include the average score, median score, and mode (most frequently occurring score).

The average score on the exam was 85, which represents the mean of all the scores.

The median score on the exam was 80, which represents the middle value when all the scores are arranged in order.

The most frequently occurring score was 82, which represents the mode of the scores.

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Answer:

First, we need to solve the equation in the problem for y to put it in slope-intercept form so we can determine its slope:

2y−6x=4

2y−6x+6x=6x+4

2y−0=6x+4

2y=6x+4

2y2=6x+42

2y2=(6x2)+(42)

y=3x+2

The slope-intercept form of a linear equation is: y=mx+b

Where m is the slope and b is the y-intercept value.

Therefore the slope of this equation is m=3

A perpendicular line will have a slope (let's call this slope mp) that is the negative inverse of this line. Or, mp=−1m

Substituting gives:

mp=−13

Answer:

-2

Step-by-step explanation:

Answer:

About 29%

Step-by-step explanation:

Answer:27

Step-by-step explanation:Can you make me brainist

The solution of the quadratic equation using the Shri dharacharya formula is 0.31 and negative of 1.81.

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

The quadratic expression is (4x + 3)² = 18

On solving, we have

(4x + 3)² = 18

(4x + 3) = √18

        4x = - 3 ± √18

          x = -3 ± √18 / 4

          x = 0.31, -1.81

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Answer:

1) answer is 2x^2 - x + 6

2) answer is 2x^2 + 2x + 2

Step-by-step explanation:

i dont know if this is what you wanted, but i tried to follow the directions as best i could

Answer:

2x2 - 2x + 6 - (-3x)  = 2x2(tiny) + x + 6

or

-(3 - 2x2) + 5 +2x = 2x2(tiny) + 2x +2

Step-by-step explanation:

I don't remember exactly how you find the smallest, sorry...

Using arithmetic operations it is obtained that the patient inhales approximately 29,520 times in a 24-hour day.

What is arithmetic operation?

A subject of mathematics known as arithmetic operations deals with the study and use of numbers in all other branches of mathematics. Basic operations including addition, subtraction, multiplication, and division are included.

We can start by converting the patient's breathing rate from seconds to minutes, since we have the heart rate in minutes.

Use the arithmetic operation of multiplication and division -

The patient inhales once every 3 seconds, which is equivalent to -

(1 inhale / 3 seconds) x (60 seconds / 1 minute) = 20 inhales per minute

Next, we can use the patient's heart rate to find the number of breaths per heartbeat, and then multiply by the heart rate to get the total number of breaths per minute -

Breaths per heartbeat = 1 inhale / 4 heartbeats (since each heartbeat corresponds to 4 phases of the cardiac cycle, during which the patient inhales and exhales once)

Breaths per minute = (Breaths per heartbeat) x (Heart rate)

= (1/4) x 82

= 20.5

So the patient takes approximately 20.5 breaths per minute.

Multiplying this by the number of minutes in a day (24 hours x 60 minutes per hour = 1440 minutes) gives -

Breaths per day = (Breaths per minute) x (Minutes per day)

= 20.5 x 1440

= 29,520

Therefore, the number of inhales is 29,520.

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Answer:

The percentage of the simulations of two games that the football player would most likely get a touchdown in each of the two games = 15.21%

Step-by-step explanation:

The probability of scoring a touchdown in one game for the football player = 39% = 0.39

Probability of scoring a touchdown in each of the two consecutive games = (Probability of scoring a touchdown in the first game) × (Probability of scoring a touchdown in the second game)

Since the probability of scoring a touchdown in each game the football player plays in is independent of one another.

Probability of scoring a touchdown in the first game = Probability of scoring a touchdown in the second game = 0.39

Probability of scoring a touchdown in each of the two consecutive games = 0.39 × 0.39 = 0.1521

If 100 simulations of the two games are made, the player scores in each of the two games in 15.21 of them, hence, the percentage of the simulations that the football player would most likely get a touchdown in each of the two games = 15.21%

Hope this Helps!!

Answer: x=1

Step-by-step explanation:

1/2+3/2=2^x

4/2=2^x

2=2^x

x=1

Answer:

Step-by-step explanation:

To solve this problem, we can use the formula for calculating simple interest:

I = P * r * t

where:

I = interest earned

P = principal (initial amount of money)

r = rate of interest

t = time (in years)

We can rearrange the formula to solve for the principal:

P = I / (r * t)

In this case, we know that Gill earned $2306 in interest after one year at a rate of 6%. So:

I = $2306

r = 0.06

t = 1 year

Substituting these values into the formula, we get:

P = $2306 / (0.06 * 1)

P = $38,433.33

Therefore, the initial amount of money that Gill deposited into her account was $38,433.33.

Answer:

10

Step-by-step explanation:

2(x+9)+142=180       corresponding angles are equal and angles on a straight line=180

2(x+9)=180-142

x+9=38/2

x=19-9

x=10

The line of the  best fit for the data points plotted in the scatter plot is y = -0.88x + 8

From the question, we have the following parameters that can be used in our computation:

The graph

Using the line of the best fit, we have"

(x, y) = (8, 1) and (0, 8)

A linear equation is represented as

y = mx + c

Where

c = y when x = 0

So, we have

y = mx + 8

Using the points, we have

1 = 8m + 8

This gives

m = -0.88

So, we have

y = -0.88x + 8

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The given linear system is consistent and the solution to the system is x = 5/6, y = -3, and z = 5/6. Therefore, option (A) is the correct answer.

Given linear system is x - 4y + 2z = -1 ...(1)2x - 5y + 8z = 31 ...(2)x - 3y - 2z = 10 ...(3)To determine whether the given linear system is consistent or inconsistent, use the method of elimination. Let's use the method of elimination by adding Equation (1) to Equation (3).

This will eliminate x and leave a new equation with y and z.-3y = 9 ⇒ y = -3 Substitute y = -3 into Equations (1) and (2) to get: x - 4(-3) + 2z = -1 ⇒ x + 2z = 11 ...(4)2x - 5(-3) + 8z = 31 ⇒ 2x + 8z = 16 ⇒ x + 4z = 8 ...(5)Equation (4) - 2 × Equation (5) gives: x + 2z - 2x - 8z = 11 - 16 ⇒ -6z = -5 ⇒ z = 5/6 Substituting the value of z in Equation (4), we get: x + 2(5/6) = 11⇒ x = 5/6Therefore, the unique solution is x = 5/6, y = -3 and z = 5/6.

Hence, the given linear system is consistent and the solution to the system is x = 5/6, y = -3, and z = 5/6. Therefore, option (A) is the correct answer.

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Answer:

22.7551745473%

Step-by-step explanation:

I could be very wrong but to find the percentage of change you have to divide the increase by the original number, and then multiply it by 100.

20851820-16986510=3865310

3865310/16986510=0.22755174547

0.22755174547*100=22.755174547

This answer can then be rounded up to 23%

Answer:

The y intercept is 6

Step-by-step explanation:

the "b" in the equation is the y-intercept

To obtain the differential for the process Zt = tan(Wt) in the form dZt = A(Zt)dt + B(Zt)dWt, we can use Ito's lemma. Ito's lemma allows us to find the differential of a function of a stochastic process.

Let's start by applying Ito's lemma to the function f(x) = tan(x). The differential of f(x) is given by:

df(x) = f'(x)dx + 0.5f''(x)d[x,x]

where f'(x) and f''(x) are the first and second derivatives of f(x), dx represents the differential of x, and d[x,x] represents the quadratic variation of x.

In our case, x = Wt, so we have:

df(Wt) = f'(Wt)dWt + 0.5f''(Wt)d[Wt,Wt]

Let's calculate the derivatives:

f'(x) = sec^2(x)

f''(x) = 2sec^2(x)tan(x)

Plugging these values into the differential equation, we get:

df(Wt) = sec^2(Wt)dWt + 0.5(2sec^2(Wt)tan(Wt))d[Wt,Wt]

Now, substituting Zt = f(Wt) = tan(Wt), we have:

dZt = sec^2(Wt)dWt + sec^2(Wt)tan(Wt)d[Wt,Wt]

Since d[Wt,Wt] = dt (the quadratic variation of Wt is equal to dt), we can simplify further:

dZt = sec^2(Wt)dWt + sec^2(Wt)tan(Wt)dt

Finally, we can express the differential in terms of Zt:

dZt = sec^2(Zt) dWt + sec^2(Zt)tan(Zt) dt

Therefore, the differential for the process Zt = tan(Wt) can be written as

dZt = A(Zt)dt + B(Zt)dWt,

where A(Zt) = sec^2(Zt)tan(Zt) and B(Zt) = sec^2(Zt).

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