helppp me with this question I’m so behind with school !

Answer:

CD = 2 = x

Step-by-step explanation:

Remark

The problem is not in getting x. The answer is 2. The problem is showing y.

Givens

Call the center of the circle O.

BO,AO,CO,DO circle radii

Chords AB and CD

AB = 2

<BOA = <COD

Solution

BO,AO,CO,DO area all equal to each other.               All are radii.

<BOA = <COD = 30                                                        Given

ΔBOA = ΔCOD                                                               SAS

AB = CD                                                                          CPCTC

CPCTC means corresponding parts of Congruent Triangles are congruent.

Note also that AB and CD must be chords.

The area under the curve y = f(x) = x² + 1 on [0,2] is 3, Comparing this to the result in part (c), we see that the area under the curve is approximately equal to the definite integral.

(a) To approximate the area under the curve using a right Riemann sum with n uniform sub-intervals, we first need to find the width of each sub-interval. This is given by

Δx = (b - a)/n = (2 - 0)/n = 2/n

Now, we can find the area of each sub-rectangle by evaluating f(x) at the right endpoint of the interval and multiplying by Δx. This gives us the following:

A_n = f(x_n)Δx = (x_n^2 + 1)Δx

where x_n = nΔx.

The total area is then given by the sum of the areas of all n rectangles, which is

A_n = ∑_1^n f(x_n)Δx = ∑_1^n (x_n^2 + 1)Δx

(b) Using the formula 1/6∑i^n i^2, we can simplify the Riemann sum in part (a) as follows:

A_n = 1/6∑_1^n (x_n^2 + 1)Δx = 1/6∑_1^n (n^2Δx^2 + 1Δx) = 1/6n(n+1)(2n+1) + 1/6n

(c) Taking the limit as n tends to infinity in the result to part (b), we get the following:

lim_n->∞ A_n = lim_n->∞ 1/6n(n+1)(2n+1) + 1/6n = 1/6(2)(3) + 1/6 = 3/2 + 1/6 = 5/3

(d) The definite integral of f(x) = x² + 1 on [0,2] is given by

∫_0^2 f(x) dx = ∫_0^2 (x² + 1) dx = x^3/3 + x |_0^2 = 8/3 + 2 - (0 + 0) = 8/3 + 2 = 10/3

Comparing this to the result in part (c), we see that the area under the curve is approximately equal to the definite integral. The difference is due to the fact that the Riemann sum is an approximation, and the error in the approximation decreases as n increases.

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The center of mass can be determined by dividing the moment of the solid with respect to each coordinate axis by the total mass.

In cylindrical coordinates, the paraboloid and the plane can be represented as z = 12r^2 and z = a, respectively. To find the mass, we integrate the density function k over the region of the solid, which is bounded by z = 12r^2, z = a, and the region in the xy-plane where the paraboloid intersects the plane z = a. The integral becomes M = k * ∭ρ dV, where ρ is the density function.

To find the center of mass, we calculate the moments of the solid with respect to each coordinate axis. The x-coordinate of the center of mass can be obtained by dividing the moment about the x-axis by the total mass. Similarly, the y-coordinate and z-coordinate of the center of mass can be calculated by dividing the moments about the y-axis and z-axis, respectively, by the total mass.

By evaluating the triple integral and performing the necessary calculations, we can determine the mass and center of mass of the given solid in cylindrical coordinates.

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The equation of the curve that passes through the point (0, 1) and has a slope of 5xy at any point (x, y) is y = (5/2) * x^2y + 1. This equation represents a curve where the y-coordinate is a function of the x-coordinate, satisfying the conditions.

To determine an equation of the curve that satisfies the conditions, we can integrate the slope function with respect to x to obtain the equation of the curve. Let's proceed with the calculations:

We have:

Point: (0, 1)

Slope: 5xy

We can start by integrating the slope function to find the equation of the curve:

∫(dy/dx) dx = ∫(5xy) dx

Integrating both sides:

∫dy = ∫(5xy) dx

Integrating with respect to y on the left side gives us:

y = ∫(5xy) dx

To solve this integral, we treat y as a constant and integrate with respect to x:

y = 5∫(xy) dx

Using the power rule of integration, where the integral of x^n dx is (1/(n+1)) * x^(n+1), we integrate x with respect to x and get:

y = 5 * (1/2) * x^2y + C

Applying the initial condition (0, 1), we substitute x = 0 and y = 1 into the equation to find the value of the constant C:

1 = 5 * (1/2) * (0)^2 * 1 + C

1 = C

Therefore, the equation of the curve that passes through the point (0, 1) and has a slope of 5xy at any point (x, y) is:

y = 5 * (1/2) * x^2y + 1

Simplifying further, we have:

y = (5/2) * x^2y + 1

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Answer:

i think its B

Step-by-step explanation:

Answer:

60

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

Distance traveled is equal to the length of wheel circumference as it “unrolls” along the ground as the wheel turns. One full turn of the wheel will move the robot one circumference's distance. Therefore, students will find the distance traveled by multiplying circumference by the number of rotations.

Answer:

Therefore, the value of x is 22 cm.

Step-by-step explanation:

To work out the value of x, we need to find the height of the prism. The volume of a prism is given by the formula:

volume = area of base x height

We can rearrange this formula to solve for the height:

height = volume / area of base

Substituting in the given values, we get:

height = 1430 cm3 / 65 cm2

= 22 cm

Therefore, the value of x is 22 cm.

Answer:

\(x=22\)

Step-by-step explanation:

Volume of Prism = (Area of the cross section) x Height

\(1430= 65x\\\)

\(\frac{1430}{65}= x\)

\(22=x\)

Hence, the value of x is 22

Pls Mark me Brainliest

Answer:

C.

Step-by-step explanation:

Slope-intercept form is described as y=mx+b, where m = the slope, and b = the y-intercept. Since you are given these two numbers, just plug them into the slope-intercept form. This gives you y=5x-3.

Answer:

$1560

Step-by-step explanation:

x = salary

y = weekly

255 = 1/12 x + 125

3060 = x + 1500

x = 1560

The solution is,  the total food can be eaten by the cat in 4 weeks.

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

BODMAS rule is applicable in basic calculations to get the actual answer.

Thus, the total food can be eaten by the cat in 4 weeks.

Total weight of a bag of cat food = 3 lbs.

The number of lbs the cat eats the food = 3/4 lbs each week.

We need to find the number of weeks does one bag that is 3 lbs last.

Now, the total food we have is 3 and cats eat 1/4th of total food each week.

Thus, the total food can be eaten by the cat in 4 weeks.

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Answer:

3/16, 1/4, 3/8, 1/2

Step-by-step explanation:

For easy comparison, we can re-write all these fractions so the denominators are the same. By observation, we can see that the denominators 2,4 and 8 are all factors of the denominator 16, hence we can express all the fractions such that the denominators equal 16.

1/2 = 8/16

1/4 = 4/16

3/8 = 6/16

3/16 = (needs no re-writing)

Comparing the above, we can see that from smallest to largest:

3/16 , 4/16, 6/16, 8/16

or

3/16, 1/4, 3/8, 1/2

Answer:3/16, 1/4,3/8,1/2

Step-by-step explanation:

I just turned them into decimals and 3/16 had the lowest at .1875 then 1/4 at .25 and 3/8 at .375 then lastly 1/2 at .5

The distance between 1 + 3i and 2 – 4i in the complex plane is 5 sqrt 2. Option D

To find the distance between two complex numbers in the complex plane, we use the formula:

Distance = √(x1 - x2)^2 + (y1 - y2)^2

where:

(x1, y1) and (x2, y2) are the coordinates of the two complex numbers.

Using that equation we can plug in our known values, and solve

√(1 - 2)^2 + ( 3 - (-4))^2

√(-1)^2 + (7)^2

√(1) + (49)

√50

To find the square root of 50, we have to rationalize. we can separate the 50 into √25 and √2, which would give us 5√2.

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To find the minimum score required for an A grade, we need to determine the cutoff point that corresponds to the top 13% of scores.

Given that the scores on the test are normally distributed with a mean of 69.5 and a standard deviation of 9.5, we can use the standard normal distribution to calculate the cutoff point. Using a standard normal distribution table or a statistical calculator, we find that the z-score corresponding to the top 13% is approximately 1.04. To find the corresponding raw score, we can use the formula:

x = μ + (z * σ)

where x is the raw score, μ is the mean, z is the z-score, and σ is the standard deviation. Plugging in the values, we have:

x = 69.5 + (1.04 * 9.5) ≈ 79.58

Rounding this to the nearest whole number, the minimum score required for an A grade would be 80. Therefore, a student would need to score at least 80 on the test to achieve an A grade according to the professor's grading scheme.

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Boys are taller than girls on average, with a larger center of data and larger range in height;

the dot plots are not shown.

Answer:

14a + 6b

Step-by-step explanation:

To expand use distributive property. a*(b +c) =a*b +a *c

Simplifying an expression

2*(3a - 5b + 4*(a+2b) = 2*(3a -5b + 4*a +4*2b)

                                  = 2*(3a - 5b + 4a + 8b)

                                  = 2* (3a + 4a - 5b + 8b)

Combine like terms.  To combine like terms, add or subtract the coefficient of the variables. 3a and 4a   & (-5b) and 8b are like terms  

                                 = 2*( 7a + 3b)  

                                 = 2*7a + 2*3b

                                 = 14a + 6b

Hey there!

2(3a - 5b) + 4(a + 2b)

= 2(3a - 5b) + 4(1a + 2b)

= 2(3a) + 2(-5b) + 4(1a) + 4(2b)

= 6a - 10b + 4a + 8b

= (6a + 4a) - (10b + 8b)

= 6a + 4a - 10b + 8b

= 10a - 2b

Therefore, your answer is: 10a - 2b

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

The number of ducks Old Mc Donald raises are 23 and the number of cows Old Mc Donald raises are 77.

Step-by-step explanation:

We are given that Old Mc Donald raises ducks and cows. The animals have a total of 100 heads and 354 feet.

Let the number of ducks Old Mc Donald raises be 'x' and the number of cows Old Mc Donald raises be 'y'.

So, according to the question;

                                   \(x+y=100\)

                                    \(x=100-y\)  -------------------- [equation 1]

{because one head of a duck and one head of cow}

                                   \(2x+4y=354\)

                                   \(x+2y=177\)   --------------- [equation 2]

{because there are two feet of a duck and four feet of cow}

Now, putting the value of x in equation 2 we get;

                                  \(100-y+2y=177\)

                                  \(y=177-100\)

                                    y = 77 cows

Putting this value of y in equation 1 we get;

                                 x = 100 - y

                                 x = 100 - 77 = 23 ducks

Hence, the number of ducks Old Mc Donald raises are 23 and the number of cows Old Mc Donald raises are 77.

Answer:

I guess its like this!!!!!!

The probability is 0.46 of no student having the answer to more than one question.

So, the probability formula is:

P(E) = Favourable events/Total events

We know that in total there are 15 students (Total events).

Students can not answer more than 1 question:
8 - 1 = 7 (Favourable events)

Now, calculate the probability:

P(E) = Favourable events/Total events

P(E) = 7/15

P(E) = 0.46

Therefore, the probability is 0.46 of no student having the answer to more than one question.

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The high-low method is a cost estimation technique that involves analyzing the two most extreme periods of activity to estimate fixed and variable cost behavior. It is commonly used in managerial accounting to determine the fixed and variable components of a mixed cost.

Here are the characteristics of the high-low method:

Based on the two most extreme periods of activity: The method compares the cost incurred during the period of highest activity (high point) and the cost incurred during the period of lowest activity (low point). By examining the differences in costs between these two points, it attempts to separate the fixed and variable elements of the cost.

Provides a good estimate of true fixed and variable cost behavior: The high-low method assumes that the variable cost component varies proportionally with the level of activity, while the fixed cost component remains constant. By using the high and low points, it calculates the slope of the cost line and the y-intercept, which represent the variable and fixed costs, respectively.

Difficult to apply and requires a statistical software package: While the high-low method is a relatively simple technique, it can be challenging to apply in practice. Determining the high and low points requires careful analysis of the available data. Additionally, the method may not capture all the nuances of cost behavior, especially if the relationship between cost and activity is not linear. To perform the calculations accurately, statistical software packages or spreadsheets are often utilized.

Uses only two data points: One of the limitations of the high-low method is that it relies on only two data points. This can lead to potential inaccuracies if the data points chosen are not representative of the entire range of activity. The method assumes that the cost behavior between the high and low points is linear, which may not always be the case.

In summary, the high-low method is a cost estimation technique that provides an estimate of fixed and variable cost behavior by analyzing the two most extreme periods of activity. It can be a useful tool, but it has limitations and requires careful consideration of data selection and interpretation.

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The point of concurrency of the angle bisectors of a triangle is known as the incenter of a triangle.

The confluence point of the elevations in a triangle is known as the orthocenter. The intersection of three or more lines, rays, segments, or planes is referred to as a point of concurrency.

This point will be equidistant from the sides of a triangle, as the central axis’s junction point is the center point of the triangle’s inscribed circle.

A point that is equally spaced from a triangle's sides contains all three of its angle bisectors simultaneously.

Therefore, the point of concurrency of the angle bisectors of a triangle is known as the incenter of a triangle.

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The differences between volume-based and value-based reimbursement, we can use a Venn diagram. In the Venn diagram, we can represent volume-based reimbursement as one circle and value-based reimbursement as another circle. The overlapping area between the two circles represents situations where both volume and value are considered in reimbursement. However, it is important to note that volume-based and value-based reimbursement are often seen as contrasting approaches.

Volume-based reimbursement focuses on the quantity or volume of services provided. In this model, providers are paid based on the number of services they deliver, regardless of the quality or outcome of those services. For example, a hospital may receive payment for each individual test, procedure, or visit performed, regardless of whether those services result in improved patient outcomes.

On the other hand, value-based reimbursement focuses on the value or quality of services provided. In this model, providers are rewarded based on the outcomes and effectiveness of their services. Value-based reimbursement emphasizes the delivery of high-quality care that improves patient outcomes and reduces costs in the long term. Providers are often incentivized to meet certain quality measures, such as reducing hospital readmissions or improving patient satisfaction.

In summary, volume-based reimbursement focuses on the quantity or volume of services provided, while value-based reimbursement emphasizes the quality and outcomes of those services. The two approaches have different incentives and goals for healthcare providers and can be represented using a Venn diagram.

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Answer:

A

Step-by-step explanation:

\(\sqrt{22}\) · 5\(\sqrt{2}\) = 5 \(\sqrt{44}\) = 5 \(\sqrt{4}\)·\(\sqrt{11}\) = 10\(\sqrt{11}\)

Answer:

0.5kg/m

Step-by-step explanation:

The formula for acceleration is f/m = a

10/20 = a

0.5 = a

Best of Luck!

Answer:

Step-by-step explanation:

For question 1:The answer is 36-k.

Question 2: The answer is 61.

Question 3: The answer is 162.

The minimum wage set by the government at $7.50 per hour does not result in a pay cut for unskilled workers, as it is below the equilibrium wage of $8.00 per hour.

The wage rate remains unchanged, and the labor market remains in balance.

The statement is false.

False.

The equilibrium wage in the market for unskilled labor is $8.00 per hour, which means that the market naturally sets the wage rate at this level, based on the forces of supply and demand.

The government then sets a minimum wage at $7.50 per hour.

Since the minimum wage is below the equilibrium wage, it does not directly impact the wage rate for unskilled workers.
The equilibrium wage represents the point at which the supply of labor (the number of workers willing to work at a given wage) equals the demand for labor (the number of workers that employers are willing to hire at a given wage).

In this case, both workers and employers are satisfied with the $8.00 per hour wage, and the labor market is balanced.
The government sets a minimum wage below the equilibrium wage, it essentially sets a wage floor that is not binding. Employers are still willing to pay the equilibrium wage of $8.00 per hour, and workers are still willing to accept this wage.

The wage for unskilled workers remains at $8.00 per hour, and there is no pay cut of 50 cents per hour.

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Answer:

$1,500,000

Step-by-step explanation:

Given

Principal = $1,000,000

Rate = 5%

Time = 10years

Interest = PRT/100

Interest = 1000000*5*10/100

Interest = 100000*5

Interest = $500,000

Amount after 10years =  $1,000,000+ $500,000

Amount after 10years = $1,500,000