Calculate
2.07- 1.89/
5.71 - 3.92

Answer:

BODMAS

Step-by-step explanation:

BODMAS is correct.

Brackets

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Division

Multiplication

Addition

Subtraction

Answer:

0 degrees off center.

Step-by-step explanation:

To determine the degree off center and the overall speed of the ping pong ball, we need to consider the vector addition of the ball's velocity due to smashing and the velocity due to the crosswind. Let's break down the problem step by step:

Calculate the horizontal and vertical components of the ball's velocity due to smashing:

The initial velocity of the ball due to smashing is 60.0 km/h. Since the ball is smashed straight down the center line of the table, the vertical component of the velocity is 0 km/h, and the horizontal component is 60.0 km/h.

Calculate the horizontal and vertical components of the ball's velocity due to the crosswind:

The crosswind velocity is 25.0 km/h, and since it sweeps across the table parallel to the net, it only affects the horizontal component of the ball's velocity. Therefore, the horizontal component of the ball's velocity due to the crosswind is 25.0 km/h.

Determine the resultant horizontal and vertical velocities:

To find the overall horizontal velocity, we need to add the horizontal components of the velocities due to smashing and the crosswind:

Overall horizontal velocity = smashing horizontal velocity + crosswind horizontal velocity

Overall horizontal velocity = 60.0 km/h + 25.0 km/h = 85.0 km/h

Since the vertical component of the velocity due to smashing is 0 km/h and the crosswind does not affect the vertical component, the overall vertical velocity remains 0 km/h.

Calculate the resultant speed and direction:

To find the resultant speed, we can use the Pythagorean theorem:

Resultant speed = √(horizontal velocity^2 + vertical velocity^2)

Resultant speed = √(85.0 km/h)^2 + (0 km/h)^2) = √(7225 km^2/h^2) = 85.0 km/h

The ball ends up with an overall speed of 85.0 km/h.

Since the vertical velocity remains 0 km/h, the ball will not deviate vertically from the center line. Therefore, the ball will end up at the same height as the center line.

To determine the degree off center, we can calculate the angle of the resultant velocity using trigonometry:

Angle off center = arctan(vertical velocity / horizontal velocity)

Angle off center = arctan(0 km/h / 85.0 km/h) = arctan(0) = 0°

The ball will not deviate horizontally from the center line, resulting in 0 degrees off center.

Explanation:

1 hat = 45 dollars

6 hats = 6*45 = 270 dollars

1 phone = 40 dollars

4 phones = 4*40 = 160 dollars

total = $270 + $160 = $430

Felicia spent a total of $430. Since this amount of money leaves her account, this means we write a negative sign out front to end up with the final answer of -430

In other words, her account balance went down by $430 which is why we use a negative. If someone gave her $430, then the answer would be positive.

The correct equation of the graphed line in standard form is `3x + y = 4`.

The given graph of the line is shown below,The given graph passes through the points (-1, 1), (0, 4), and (1, 7).

From the above graph, we can see that the y-intercept of the line is 4 and the slope of the line is 3.

We can find the equation of the line using slope-intercept form of equation of line as shown below,

y = mx + b

Here, m = slope of the lineb = y-intercept of the linem = 3 and b = 4

Therefore, the slope-intercept form of the equation of line is,y = 3x + 4

To write this equation in standard form, we can rearrange the terms in the above equation to get,

3x - y = -4

To find the equation of the graphic line in standard form, we need to rewrite it in the form Ax + By = C.

Where A, B, and C are integers.

Consider the options provided:

-3x + y = -4

y = 3x - 4

y + 3x = 4

3x - y = 4

Of these options, the standard form, The equation is 3x - y =. 4

Therefore, the equation of the straight line in standard form is 3x - y = 4.

Hence, the equation of the graphed line written in standard form is 3x - y = -4.

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From the following, a panel data set consists of data on the same cross-sectional units over a given period of time while a pooled data set consists of data on different cross-sectional units over a given period of time is the difference between panel and pooled cross-sectional data.

Panel data refers to samples of the same cross-sectional units observed at multiple points in time.

For example we will follow the same set of households X, Y and Z, for each time period we collect data i.e. in 1990 and we will also interview the same households in 1995.

Pooled data occur when we have a “time series of cross sections,” but the observations in each cross section do not necessarily refer to the same unit.

For example we will take household income data on households X, Y and Z, in 1990. And then we will take the same income data on households G, F and A in 1995. Although we are interested in the same data, we are taking different samples (using different households) in different time periods.

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Answer:

x=4

Step-by-step explanation:

f(x)=5x+4

By given,

f(x)=24

5x+4=24

5x=20

x=4

Answer:

\( \frac{ - 9}{2} + \frac{9}{2} = 0\)

\( \frac{55}{3} + \frac{8}{3} = \frac{63}{3} \)

\( \sqrt{ {0}^{2} + \frac{ {63}^{2} }{3} } = \sqrt{ \frac{3969}{9} } = \frac{63}{3} \)

this is the

The given surface can be described by the parametric equations: x = 4u, y = uv, and z = v^2. To find the area of this surface, we use the formula A(S) = ∬D ||r_u × r_v|| dA, where r(u, v) is the vector function that defines the surface and D is the parameter domain.

1. In this case, the vector function is r(u, v) = (4u, uv, v^2). To find the area, we need to compute the cross product of the partial derivatives of r(u, v) with respect to u and v, and then calculate the magnitude of that cross product.

2. Taking the partial derivatives, we have r_u = (4, v, 0) and r_v = (0, u, 2v). The cross product r_u × r_v is given by (4u, -4v, 4uv), and its magnitude is ||r_u × r_v|| = 4√(u^2 + v^2 + u^2v^2).

3. Now, we integrate ||r_u × r_v|| over the parameter domain D. The limits of integration will depend on the specific bounds of the domain, which are not provided in the given information. Once the limits are determined, the integral can be evaluated to find the area of the surface.

4. Unfortunately, without knowing the specific bounds of the parameter domain D, it is not possible to provide an exact numerical value for the area of the surface. The calculation requires the integration limits, which are missing from the given information.

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12 terms are in an arithmetic sequence.

What comprises an arithmetic series?

A group of integers that are arranged in a particular order and share a difference between each term is known as an arithmetic sequence.

            For instance, the common difference between the numbers 3, 9, 15, 21, and 27 in mathematics is 6. The term "arithmetic progression" can refer to an arithmetic sequence.

a = 6,

d = -3,

last term, l = -45

a + (n - 1)*d

45 = a + (n - 1)d

45 = 6 + (n -1)-3

45 - 6 = -3(n - 1)

39 = -3(n - 1)

-3(n - 1) = 39

n - 1 = -39/3

n - 1 = -13

n = -13 + 1

n = - 12

There are 12 terms.

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The question is an illustration of sequence and pattern

The cell entries that complete the table are 0.08 and 400

The table entries are given as:

Day     Avi's rule      Benita's rule

1             0.01              100

2            0.02             200

3            0.04            300

4

From Avi's rule, we can see that:

The new elements are generated by multiplying the current element by 2.

So, the entry that fills the missing blank in Avi's rule is:

\(Avi = 2 * 0.04\)

\(Avi = 0.08\)

From Benita's rule, we can see that:

The new elements are generated by adding 100 to the current element.

So, the entry that fills the missing blank in Benita's rule is:

\(Benita = 100 + 300\)

\(Benita = 400\)

So, the complete table is:

Day     Avi's rule      Benita's rule

1             0.01              100

2            0.02             200

3            0.04            300

4            0.08           400

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Answer:

0.4

Step-by-step explanation:

how many minutes are in 4 miles

Answer:

I believe it’s C. 2.5

Step-by-step explanation:

Answer:

My name is math JR LOL

Step-by-step explanation:

Answer:

y=-1/5x+6

Step-by-step explanation:

equation of the line that has a slope of -1/5

=> equation of the line is y= -1/5x + b

it passes through the point (-5;7) => 7= -1/5.(-5) + b

=> b= 6

=> equation of the line is y= -1/5x + 6

Answer:

The correct answer is 5.672 x 10^3

Step-by-step explanation:

change the exponent for 3.28 x 10^2, and you get 0.328 x 10^3, and then subtract normally, which gets you 5.672 x 10^3

Answer:

the answer is c :)

Step-by-step explanation:

Mildred needs to ensure that the selected clusters are representative of the population and use appropriate statistical techniques to analyze the data collected from the selected clusters.

Step-by-step explanation:

Since there is no master list of recycling club members in the US, Mildred can use cluster sampling as the best design to study the recycling club members.

Cluster sampling involves dividing the population into clusters or groups, and then randomly selecting some clusters from the population for the study. In this case, Mildred can divide the US into regions or states, and then randomly select some states or regions for the study. Then, she can select all the recycling clubs in the selected states or regions for the study.

Using cluster sampling has several advantages:

It is cost-effective as Mildred can study only a smaller number of clusters instead of the whole population.

It can be more convenient and efficient, especially when the population is dispersed or hard to access.

It allows for a more representative sample as each cluster is expected to represent the larger population.

However, there are also some disadvantages to using cluster sampling:

It may increase sampling error or bias, especially if the selected clusters are not representative of the population.

It can be more complex and time-consuming to analyze data collected from cluster sampling.

Therefore, Mildred needs to ensure that the selected clusters are representative of the population and use appropriate statistical techniques to analyze the data collected from the selected clusters.

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Shock advertisement are a type of advertising strategy that aims to provoke strong emotional responses from viewers by presenting controversial, shocking, or disturbing content.

An example of a shock add is Poking fun at events

By displaying content that is debatable, surprising, or upsetting, shock advertisement try to elicit strong emotional reactions from their target audience.

The goals of shock advertisements are to draw attention, leave a lasting impression, and elicit conversation about the good or message they are promoting.

These commercials frequently defy accepted norms, step outside of the box, and employ vivid imagery or provocative storytelling approaches.

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Answer:

when pattern H is 48, pattern G is 24

Putting all the given values in the formula, we get:n = [1.96² x 0.21 x 0.79] / 0.03²On solving, we get,n = 2734.84 ≈ 2735Therefore, 2735 public accountants should be contacted to update the study with a margin of error of 3% and a 95% level of confidence. Answer: 2735.

Given Information :A study conducted several years ago reported that 21% of public accountants changed companies within 3 years.

The American Institute of CPAs would like to update the study.

They would like to estimate the population proportion of public accountants who changed companies within 3 years with a margin of error of 3% and a 95% level of confidence.

Required:a. To update this study, how many public accountants should be contacted? Solution: Given that: the percentage of public accountants changed companies within 3 years is 21%.The level of confidence is 95%.

The margin of error is 3%.We have to find out the sample size.To find the sample size we use the formula :n = [Z² x p x q ] / E²

Where, Z = Standard normal deviation corresponding to a 95% confidence level is 1.96.p = proportion = 21/100 = 0.21q = 1-p = 1-0.21 = 0.79E = margin of error = 3/100 = 0.03

Putting all the given values in the formula, we get:n = [1.96² x 0.21 x 0.79] / 0.03²On solving, we get,n = 2734.84 ≈ 2735Therefore, 2735 public accountants should be contacted to update the study with a margin of error of 3% and a 95% level of confidence. Answer: 2735.

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Answer:

5 is the answer

please mark as brainlist

thank you

Answer: 40 cm^3

Step-by-step explanation:

The volume of a triangular prism is the base * height.

Therefore, the volume is 50 cm^2 * 8 cm = 40 cm^3

The main answer for the first argument is that we cannot prove that the band could play rock music based on the given premises and rules of inference.

1. Let's assign the following propositions:

  - P: The band could play rock music.

  - Q: The refreshments were delivered on time.

  - R: The New Year's party was canceled.

  - S: Alicia was angry.

  - T: Refunds were made.

2. The given premises can be expressed as:

  (¬P ∨ ¬Q) → (R ∧ S)

  R → T

3. To prove that the band could play rock music (P), we need to derive it using valid rules of inference.

4. Using the premises, we can apply the rule of modus tollens to the second premise:

  R → T        (Premise)

  Therefore, ¬R.

5. Next, we can use disjunctive syllogism on the first premise:

  (¬P ∨ ¬Q) → (R ∧ S)     (Premise)

  ¬R                    (From step 4)

  Therefore, ¬(¬P ∨ ¬Q).

6. Applying De Morgan's law to step 5, we get:

  ¬(¬P ∨ ¬Q)  ≡  (P ∧ Q)

7. Therefore, we can conclude that the band could play rock music (P) based on the premises and rules of inference.

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Answer:

14.6mm

Step-by-step explanation:

The formula for finding the circumference of a circle is 2πr.

The circumference is 91.688 millimeters inorder to find the radius we have to do the opposite or inverse of multiplication which is division.

So we divide the circumference by 2 and pi which is 3.14 which will give us the radius

r = radius = 91.668 ÷ 3.14 ÷ 2 = 14.6

Answer: its c

Step-by-step explanation:

Answer:

-8r-4

Step-by-step explanation:

2(-2-4r)=?

2(-2)= -4

2(-4r)= -8r

2(-2-4r)=-8r-4

Answer:

brainliest plssssssss

Step-by-step explanation:

2(−2−4r)

=(2)(−2+−4r)

=(2)(−2)+(2)(−4r)

=−4−8r

=−8r−4

The answer is (a) $10,000.

The total cost of producing 200 units of output can be found by multiplying the output (200 units) by the average total cost (ATC) per unit, which is given as $50. Therefore, the total cost is:

Total Cost = Output x ATC

Total Cost = 200 x $50

Total Cost = $10,000

Therefore, the answer is (a) $10,000.

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Answer:

x=9.717

y=18.275

Step-by-step explanation:

First solve for x and then use x to help you solve for y

Answer:

The answer is that the ball was in the air for 0.56 seconds when it was 54 feet above the ground. This was determined by using the Quadratic Formula to solve the equation 54 = -16s^2 + 96s for the variable s.

Step-by-step explanation:

To solve this equation, we can use the Quadratic Formula, which states that for a quadratic equation in the form ax^2 + bx + c = 0, the solutions are given by:

x = (-b +/- sqrt(b^2 - 4ac)) / (2a)

In this case, a = -16, b = 96, and c = -54. Plugging these values into the Quadratic Formula, we get:

s = (-96 +/- sqrt(96^2 - 4 * -16 * -54)) / (2 * -16)

= (96 +/- sqrt(9216 + 4352)) / -32

= (96 +/- sqrt(13,568)) / -32

Since we want the time (in seconds) that the ball was in the air, we need to find the positive solution to this equation. Thus, we have:

s = (96 + sqrt(13,568)) / -32

= (96 + 120) / -32

= 0.5625 seconds

Rounding this value to the nearest hundredth of a second, we get 0.56 seconds. This means that the ball was in the air for 0.56 seconds when it was 54 feet above the ground.

To solve this equation, we used the Quadratic Formula. This method allowed us to find the time (in seconds) that the ball was in the air by solving for the value of the variable s in the given equation. This helped Vue answer his question by providing a numerical value for the amount of time that the ball was in the air when it was 54 feet above the ground.

Answer:

2 2/3

Step-by-step explanation:

The Cpk (Process Capability Index) for this machine is 0.5 (rounded to 3 decimal places).

To calculate the Cpk (Process Capability Index), we need to consider the specification limits and the process variation.

The Cpk is given by the formula:

Cpk = min[(USL - μ) / (3σ), (μ - LSL) / (3σ)], Where:

USL = Upper Specification Limit

LSL = Lower Specification Limit

μ = Process mean

σ = Process standard deviation

In this case, the Upper Specification Limit (USL) is 2 + 0.004 = 2.004 inches, and the Lower Specification Limit (LSL) is 2 - 0.004 = 1.996 inches.

Given that the process mean (μ) is 2.001 inches and the process standard deviation (σ) is 0.002 inch, we can substitute these values into the formula:

Cpk = min[(2.004 - 2.001) / (3 * 0.002), (2.001 - 1.996) / (3 * 0.002)]

Cpk = min[0.003 / 0.006, 0.005 / 0.006]

Cpk = min[0.5, 0.833]

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