The * key is used for ____.

Answers

Answer 1
the * key is used for multiplication

Related Questions

8. The sugar content in a one-cup serving of a certain breakfast cereal was measured for a sample of 140 servings. The average was 11.9 g and the standard deviation was 1.1 g. a. Find a 95% confidence interval for the mean sugar content. b. Find a 99% confidence interval for the mean sugar content c. What is the confidence level of the interval (11.81, 11.99)?

Answers

(a) Confidence Interval ≈ (11.72, 12.08). (b) Confidence Interval ≈ (11.64, 12.16) and (c) The confidence level of the interval is at least 95%.

To find the confidence intervals for the mean sugar content, we can use the formula:

Confidence Interval = Sample Mean ± (Critical Value * Standard Error)

where the critical value is based on the desired confidence level and the standard error is calculated as the standard deviation divided by the square root of the sample size.

a. 95% confidence interval:

The critical value for a 95% confidence level is approximately 1.96.

Standard Error = 1.1 / sqrt(140) ≈ 0.093

Confidence Interval = 11.9 ± (1.96 * 0.093)

Confidence Interval ≈ (11.72, 12.08)

b. 99% confidence interval:

The critical value for a 99% confidence level is approximately 2.58.

Standard Error = 1.1 / sqrt(140) ≈ 0.093

Confidence Interval = 11.9 ± (2.58 * 0.093)

Confidence Interval ≈ (11.64, 12.16)

c. The given interval is (11.81, 11.99). This interval falls entirely within the 95% confidence interval calculated in part a. Therefore, the confidence level of the interval is at least 95%.

Learn more about Standard Error  :

https://brainly.com/question/13179711

#SPJ11

why must nitrogen be used only with a regulator when it is charged into a system

Answers

To control and regulate the pressure of nitrogen being charged into the system.

Why must nitrogen be used with a regulator when charged into a system?

When nitrogen is charged into a system, it is often done at high pressure. Therefore, it is necessary to use a regulator to control the pressure of the nitrogen being introduced to the system. The regulator reduces the high pressure to a lower and safe level that is appropriate for the system being charged. Without a regulator, there is a risk of over-pressurizing the system, which can cause damage or failure. Additionally, using a regulator allows for more precise control over the pressure, which is important for ensuring the system operates correctly and safely.

Learn more about nitrogen

brainly.com/question/16711904

#SPJ11

A rotor has been refinished on and off-car brake lathe, you should do all the following except

Answers

Inspect the rotor for damage, check thickness, clean, install properly, and torque lug nuts.

Defien torque.

Torque is a measure of the twisting force that causes an object to rotate around an axis or pivot point. It is often expressed in units of pound-feet (lb-ft) or Newton-meters (N-m). Torque is important in many mechanical applications, including automotive engineering, as it determines the ability of a vehicle's engine to generate power and move the vehicle forward. In the context of automotive engineering, torque is the force that is applied to the wheels to turn them and move the vehicle.

If a rotor has been refinished on and off-car brake lathe, here are some things you should do:

1. Inspect the rotor for any visible damage or defects, such as cracks, warping, or excessive wear.

2. Check the thickness of the rotor to ensure that it is still within the manufacturer's specifications.

3. Clean the rotor with brake cleaner to remove any debris or contaminants.

4. Install the rotor onto the vehicle's hub, making sure that it is properly aligned and seated.

5. Torque the lug nuts to the manufacturer's specifications.

To learn more about torque click here

https://brainly.com/question/30338159

#SPJ1

A person walks into a refrigerated warehouse with head uncovered. Model the head as a 25- cm diameter sphere at 35°C with a surface emissivity of 0.95. Heat is lost from the head to the surrounding air at 25°C by convection with a convection coefficient of ???????????????? ???????? ????????????????∙???????? , and by radiation to the surrounding black walls at 15°C. Determine the total rate of heat loss. StefanBoltzmann Constant, ???????? = ????????. ???????????????? × ????????????????−???????? ???????? ????????????????∙???????????????? . (10 points)

Answers

Answer:

Hello some parts of your question is missing below is the missing part

Convection coefficient = 11 w/m^2. °c

answer : 44.83 watts

Explanation:

Given data :

surface emissivity ( ε )= 0.95

head ( sphere) diameter( D )  = 0.25 m

Temperature of sphere( T )  = 35° C

Temperature of surrounding ( T∞ )  = 25°C

Temperature of surrounding surface ( Ts ) = 15°C

б  = ( 5.67 * 10^-8 )

Determine the total rate of heat loss

First we calculate the surface area of the sphere

As = \(\pi D^{2}\)  

= \(\pi * 0.25^2\) =  0.2 m^2

next we calculate heat loss due to radiation

Qrad = ε * б * As( \(T^{4} - T^{4} _{s}\) )  ---- ( 1 )

where ;

ε = 0.95

б = ( 5.67 * 10^-8 )

As = 0.2 m^2

T = 35 + 273 = 308 k

Ts = 15 + 273 = 288 k

input values into equation 1

Qrad = 0.95 * ( 5.67 * 10^-8 ) * 0.2 ( (308)^4 - ( 288)^4 )

         = 22.83  watts

Qrad ( heat loss due to radiation ) = 22.83 watts

calculate the heat loss due to convection

Qconv = h* As ( ΔT )

           = 11*0.2 ( 35 -25 )  = 22 watts

Hence total rate of heat loss

=  22 + 22.83

= 44.83 watts

Please help me with this question

Please help me with this question

Answers

Answer:

  4.2

Explanation:

The "allowance" is the difference between the maximum shaft size and the minimum hole size.

maximum shaft = C +D = 8.5 +0.1 = 8.6

minimum hole = A -B = 4.8 -0.4 = 4.4

Allowance = 8.6 -4.4 = 4.2

__

For an interference fit, the allowance is negative.

As the junior engineer at the Mesabi Range Hydraulic Engineering Company located in Ely, Minnesota, you have been tasked with designing a new irrigation canal that will be used by the English Pea Farmers Cooperative of Northern Minnesota. The canal will run from Basswood Lake to the pea fields located just south of town. The canal is to be 22 miles in length, unlined, excavated in stiff clay and must handle a flow rate of 13.15 m3/s over a slope of 0.2%. Your Boss wants you to calculate the necessary canal parameters and to also determine if the canal will fit within the 85-foot wide right-of-way established by the Lake County land-use office

Answers

yes it will

Explanation:

Cho biết tác dụng chung của các hệ giằng khung ngang nhà công nghiệp nhẹ 1 tầng 1 nhịp.

Answers

I don’t know how to speak the laungue or know this language

1. Describe the function of the Infrastru. cture Tracking unit, the processing ondt and the name unit?​

Answers

Answer:

The IT function manages the entire information technology value chain within the organisation. It provides solutions with regard to the software and hardware IT infrastructure. We have a locally developed software which forms the frame work upon which our business rests.

Explanation:

hope it helps.

Hi all any one help me?? ​

Hi all any one help me??

Answers

Answer:

Explanation:

sorry i dont know

I just want ur points

The steel-frame structural support was a main feature in the development of __________. Group of answer choices

Answers

The steel-frame structural support was a main feature in the development of t the floors, roof, walls and  skyscraper.

What structure is aided by a metal frame?

Steel frame is known to be a form of a building method that is used along with a skeleton frame that is made up of steel columns and  I-beams.

Conclusively, This is often used  in the construction of grid to aid the floors, roof and walls of any kind of building. It is also used in the construction of skyscraper.

Learn more about structural support from

https://brainly.com/question/1145299

#SPJ1

Which of the following is iterative? *

Science
Engineering
Criteria
Infrastructure

Answers

Science do be the answer

All of these are part of the seat belt assembly EXCEPT the:
O latch plate
O D-ring
O retractor.
O cushion

Answers

Answer: Cushion
Explanation: All parts going together to form a seat belt except the cushion
The answer is the last one: cushion

An interest rate of norminal 12% per year , compounded weekly is

Answers

Answer: It is  a nominal rate per year

discuss 7 habits of highly effective people and how important are ethics in today's society​

Answers

Answer:

Explanation:

The 7 Habits of Highly Effective People, is a book written and first published in 1989. It is a business and self-help book that was written by Stephen Covey. The seven habits include

Being proactive

Starting anything with the end in mind

First things first

Always thinking towards a win-win situation

Seeking initially to understand, then going on to want to be understood

Synergize, and lastly

Growing

You MUST overthink this answer!!! What is my favorite primary color GOOD EXPLANATIONS ONLY!!! (use my profile picture) USE THE COLORS INSIDE THE CIRCLED PORTION

You MUST overthink this answer!!! What is my favorite primary color GOOD EXPLANATIONS ONLY!!! (use my

Answers

Answer:

Blue

Explanation:

You want me to overthink it which is why I think the answer should be the most obvious and not the most complicated

Answer and Explanation:

Your favorite primary color is blue because 1. blue is a primary color, 2. There is a lot of blue in the picture, and 3. You outlined the circle in blue.

Ty for the points lol.

#teamtrees #WAP (Water And Plant)

a. Draw the circuit of an 8-bit Digital to Anlog (DAC) convetr. (5-points) b. Find its resolution if the refrence volatge Vref is 8V. (3-points) c. Find the output if the input is (11000011)2-(3-points)

Answers

The output of the DAC when the input is (11000011)2 is 6.1451V.

a. Circuit diagram of an 8-bit Digital to Analog Converter (DAC): The circuit diagram of an 8-bit Digital to Analog Converter (DAC) is as follows:

b. Resolution of an 8-bit DAC with a reference voltage of 8V: The resolution of a DAC is given by the formula, Resolution = Vref / (2^n-1) where n is the number of bits in the DAC, and Vref is the reference voltage.

So, the resolution of an 8-bit DAC with a reference voltage of 8V is, Resolution = 8 / (2^8-1)= 8 / 255= 0.0314 V (rounded to 4 decimal places)

c. Output if input is (11000011)2: To find the output of the DAC, we need to convert the binary input into its corresponding analog voltage.

The input given is (11000011)2, which is an 8-bit binary number. To convert it to an analog voltage, we use the following formula, Analog Voltage = (Digital Value / (2^n-1)) x Vrefwhere n is the number of bits in the DAC, and Vref is the reference voltage.

Substituting the given values, we get, Analog Voltage = ((11000011)2 / (2^8-1)) x 8= (195 / 255) x 8= 6.1451 V (rounded to 4 decimal places)

Therefore, the output of the DAC when the input is (11000011)2 is 6.1451V.

To know more about DAC visit:
brainly.com/question/31384290

#SPJ11

Before a rotameter can be used to measure an unknown flow rate, a calibration curve of flow rate versus rotameter reading must be prepared.

a. True
b. False

Answers

this statement is b which is true: hope this helped

Which personal protective equipment (PPE) should you wear when working around asbestos-containing materials?
A) Respiratory protectionB) Protective work clothing, including gloves C) Face shields and/or vented goggles D) All of the above

Answers

Answer:

d

Explanation:

yea

Answer:

D

Explanation:

Astronaut Harry Skyes a mass of approximately 85.0 kg. What is his weight on Mercury?

Answers

If an astronaut Harry Skyes has a mass of approximately 85.0 kg. His weight on Mercury is found to be the same as 32.3 kg.

What is the weight of a person on mercury?

The weight of a person on mercury is found to be 38% with respect to the weight existing on the surface of the earth. For example, if you weighed 100 pounds, you would only weigh 38 pounds on Mercury.

According to the question,

The mass of an astronaut = 85.0 kg.

His weight on the earth = 85 × 38/100 = 32.3 kg.

Therefore, if an astronaut Harry Skyes has a mass of approximately 85.0 kg. His weight on Mercury is found to be the same as 32.3 kg.

To learn more about Mercury, refer to the link:

https://brainly.com/question/879

#SPJ1

precision and recall in evaluating constiuency trees

Answers

Precision and recall in evaluating constiuency trees are two matrices.

Precision and recall are two essential measures that can be used to assess the performance of a constituency tree while analyzing its accuracy.

Precision is a measure of the proportion of genuine positives in the tree's positive predictions. The fraction of true positives among all actual positives is measured by the recall.

Precision and recall are significant criteria for evaluating a constituency tree's accuracy since they provide distinct views on the tree's performance.

Learn more about precision and recall, here:

https://brainly.com/question/15242984

#SPJ4

machines used on a ddos are known as ____ simply because they have unwittingly become part of the attack.

Answers

Machines used on a DDoS (Distributed Denial of Service) are known as "botnets" or "bots" simply because they have unwittingly become part of the attack.

Botnets consist of multiple compromised computers or devices that are under the control of an attacker. These machines, often referred to as "zombies," are typically infected with malware or malicious software, which allows the attacker to control them remotely.

The owners of these machines are typically unaware that their devices have been compromised and are being used to participate in the DDoS attack. The attacker can coordinate and command the botnet to flood a target server or network with an overwhelming amount of traffic, rendering it unavailable to legitimate users.

By utilizing a botnet, attackers can amplify the impact of their DDoS attacks by distributing the attack traffic across multiple sources, making it harder to mitigate and trace back to the original attacker. The compromised machines in the botnet act as a collective force, causing disruption and damage to targeted systems.

It is important for individuals and organizations to take steps to secure their devices and prevent them from being unwittingly used in DDoS attacks. This includes keeping software and security measures up to date, utilizing firewalls and intrusion detection systems, and practicing safe browsing habits to avoid malware infections.

Learn more about botnets here: brainly.com/question/32361123

#SPJ11

Part A

Determine the force in member DE of the truss, and state if the member is in tension or compression. Take F1 = 564 N , F2 = 905 N .
(Figure 1)

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part B

Determine the forces in members DC and CB of the truss, and state if the members are in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part C

Determine the force in member CE of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part D

Determine the force in member EB of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part E

Determine the force in member EA of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part ADetermine the force in member DE of the truss, and state if the member is in tension or compression.

Answers

Part A is the answer

7. Chemical manufacturers must present which information on the product’s label?

Answers

Answer:

Name, Address and Telephone Number • Product Identifier • Signal Word • Hazard Statement(s) • Precautionary Statement(s) • Pictogram(s)

Explanation:

the label could state, “Do not breathe vapors or spray.

Next, you select the basic statistics that can help your team better understand the ratings system in your data. Assume the first part of your code is: trimmed_flavors_df %>%
You want to use the summarize() and mean() functions to find the mean rating for your data. Add the code chunk that lets you find the mean value for the variable Rating. What is the mean rating? O 4.230765 O 3.995445 O 4.701337 O 3.185933

Answers

The mean rating for the variable Rating is 4.230765.

To find the mean rating for the variable Rating, you can use the summarize() and mean() functions in combination with the R pipe operator %>%. The code chunk should look like this:

trimmed_flavors_df %>% summarize(mean_rating = mean(Rating))

Basic statistics is the analysis of data and the use of quantitative methods to draw conclusions from that data. It involves looking at various measures of central tendency, such as the mean, median, and mode, as well as measures of dispersion, such as variance and standard deviation.

Additionally, basic statistics involves the use of descriptive statistics to understand the relationship between different variables in a sample or population.

Learn more about the basic statistics:

https://brainly.com/question/23724696

#SPJ4

A force of 100,000 N is applied to a 10 mm x 20 mm iron bar having a yield strength of 400 MPa and a tensile strength of 480 MPa. Answer the following question: (i) Calculate the stress applied to the iron bar. (ii) Determine if the iron bar will plastically deform after the force is applied.
(iii) Determine if the bar will experience necking after the force is applied.

Answers

The iron bar will plastically deform after the force is applied, and it will experience necking as well. It is essential to understand the strength and the stress capacity of materials to prevent failure, and this example demonstrates the importance of that.

(i) To calculate the stress applied to the iron bar, we need to divide the force by the cross-sectional area of the bar. The cross-sectional area of the bar is 10 mm x 20 mm = 200 mm^2. So, stress = force/area = 100,000 N/200 mm^2 = 500 MPa.
(ii) To determine if the iron bar will plastically deform after the force is applied, we need to compare the stress applied to the yield strength of the material. The yield strength of the iron bar is 400 MPa. As the stress applied (500 MPa) is greater than the yield strength, the bar will plastically deform after the force is applied.
(iii) To determine if the bar will experience necking after the force is applied, we need to compare the stress applied to the tensile strength of the material. The tensile strength of the iron bar is 480 MPa. As the stress applied (500 MPa) is greater than the tensile strength, the bar will experience necking after the force is applied.
To know more about force visit:

https://brainly.com/question/30507236

#SPJ11

Suggest how the following requirements might be rewritten in a
quantitative way:
a. The library system shall be easy-to-use.
b. The library system shall provide reliable service to all classes of
user.
c. The library system shall provide a rapid response to all user
requests for book information.

Answers

Answer:

answer letter c

Explanation:

yun anserr hhehehe

The resistances and leakage reactances of a 30-kVA, 60-Hz, 2400-V:240-V distribution transformer is: R₁ = 0.68 2, R2 = 0.0068 2, X₁1 = 7.8 2, X12 = 0.0780 2 where subscript 1 denotes the 2400-V winding and subscript 2 denotes the 240-V winding. Each quantity is referred to its own side of the transformer. a. Draw the equivalent circuit referred to (i) the high- and (ii) the low-voltage sides. Label the impedances numerically. b. Consider the transformer to deliver its rated kVA to a load on the low-voltage side with 230 V across the load. (i) Find the high-side terminal voltage for a load power factor of 0.85 lagging. (ii) Find the high-side terminal voltage for a load power factor of 0.85 leading.

Answers

A(i). To find the high-side terminal voltage for a load power factor of 0.85 lagging, we can use the impedance values and apply voltage regulation formula:

Voltage Regulation = (Vnl - Vfl) / Vfl

Vnl = Vfl + (Voltage Regulation) * Vfl

2400 = 230 + (Voltage Regulation) * 230

Voltage Regulation = 9.43

Now, we can calculate the high-side terminal voltage for the given load power factor:

Vh = Vnl + (Voltage Regulation) * Vfl * cos(θ)

= 2400 + (9.43) * 230 * cos(θ)

Where θ is the load power factor angle.

By substituting the appropriate values of θ into the above equations, you can calculate the high-side terminal voltage for the given load power factors.

Learn more about Voltage Regulation here:

brainly.com/question/31502994

#SPJ4

What is the Laplace Transform of:

f(t)=6e^(−5t)+e^(3t)+5t^3−9

Answers

\(\boxed{ℒ_t[f(t)] =\frac{30}{{s}^{4} } - \frac{9}{s} + \frac{6}{s + 5} + \frac{1}{s - 3}} \)

This holds true because:

\(\lim_{s\to\infty} [\frac{30}{{s}^{4} } - \frac{9}{s} + \frac{6}{s + 5} + \frac{1}{s - 3}] =0 \)

[The answer is throughly verified, hence you can trust this :)]

a land owner asked you to tell them how much land a pipeline easement that is 15' wide and 214.4 rods have accuracy his land?

Answers

The pipeline easement covers approximately 194.97584 square rods of land.

How We Calculated Pipeline Easement?

To determine the amount of land affected by a pipeline easement, we need to calculate the area covered by the easement.

First, we need to convert the width of the easement from feet to rods. Since 1 rod is equal to 16.5 feet, the width of the easement in rods would be 15' / 16.5' = 0.9091 rods (approximately).

Next, we multiply the width in rods by the length of the easement in rods to find the area in square rods:

0.9091 rods × 214.4 rods = 194.97584 square rods (approximately).

Learn more about pipeline easement

brainly.com/question/28866483

#SPJ11

The term route of entry on an sds refers to the way a ___ enters the body

The term route of entry on an sds refers to the way a ___ enters the body

Answers

The correct answer is A) Chemical

Explanation:

The abbreviations SDS means Safety Data Sheet, which refers to a very complete document about chemicals and safety related to these, including their properties and potential hazards, as well as, procedures or steps to avoid hazards and accidents.

This means the main focus of this document is chemicals; moreover, in this, there is information about the route of entry, which refers to the way chemical can enter the body and includes through inhalation, ingestion, contact with skin, among others. Also, depending on the chemical some routes of entry represent a major hazard. According to this, the correct answer is A.

Answer: Chemical!!!

Explanation:

Other Questions
Dr. Chen became a very famous scientist in Taiwan when he saved the duck industry by discovering a) Ducks have a high requirement for vitamin C b) Ducks can't make adequate niacin from tryptophan c) Ducks were deficient in calcium d) How to prevent the ducks from flying away e) Duck sauce the line tool is accessed using the more button in the ____ group on the design tab. Why do logged tropical rain forest soils typically have nutrient-poor soils?. The equation is solved. Describe the property used in each solution. Negative two-thirds a = 8. Negative two-thirds a (negative three-halves) = 8 (negative three-halves). a = 12 Negative two-thirds a divided by negative two-thirds = 8 divided by negative two-thirds. a = 12 Mr Signorelli is buying a new suit for a wedding. The suit costs $250, but he found a coupon for 20% off. What is the sale price of the suit? Shreya has a photo that is 16 cm tall and 20 cm wide. She wants to put a frame around the photo which would have the same width all around.Represent the area of the whole frame as a polynomial in terms of the width around the photo.A.[tex]x^{2} + 36x + 320[/tex]B.[tex]-4x^{2} - 72x + 320[/tex]C.[tex]4x^{2} + 72x + 320[/tex]D.[tex]-x^{2} - 36x - 320[/tex] Between 1865 and 1870, the 13th, 14th, and 15th amendments were passed by congress. Choose ALL statements that describe all three of these amendments. 6. What impact did the 1826 Fredonian Rebellion have on the Mexico/Texasrelations?A. Mexico and Texas wrote a treaty deciding bordersB. Mexican government feared Texas settlers were taking over TexasC. Mexico evicted all Anglo settlers from TexasD. Mexico feared the Native Americans were getting too involved 1. assuming interest rates are 5 pr, what is the value at t0 of each of the following 4 year annuities: You are an investor that contemplates investing in a new start up. You know that the profitability of the project you are looking at is either 0 or 2 million dollars. That is, there is some risk regarding the returns of the project: with 50% probability it will be very successful (generate a 2 million dollar cash flow) and with 50% chance it will fail (generate a 0 dollar cash flow). You find yourself in the bargaining table with the inventor of the project who tries to sell you their idea and make you invest in it. Consider the following scenarios: 1) The risk of the project is due to uncertain consumer response. That is, you don't know how much consumers will like the outcome of the project. You believe the start-upper knows as much about the consumer response as you do. Question: how much money are you willing to invest in the project? Why? Assume that you care only about the expected value of the project which is 1 million dollars (50%x0 + 50%x2,000,000). Here is the photo if you can see it, but what is the equation and if anyone answers , whats the value of A? A trader purchased two bicycles for RS.35000 each.He sells one at a profit of 20%.How much should he sell the other bicycle so that he makes a profit of 28% on whole? Who's your favorite musician? A sentence that contains one independent clause and one or more dependent clauses is a During her day, tiara often works on about eight different cars fixing any problems and making suggestions to customers about how to keep their cars in working condition. she manipulates numbers throughout the day to get her customers the best price possible. based on her tasks, which most likely is her career? manufacturing production process development maintenance, installation, and repair logistics and inventory control health, safety, and environmental assurance Which of the following is NOT an example of active transport?a: endocytosisb: facilitated diffusionc: exocytosisd: sodium potassium pump - (-(2)) = And explain why please Please help me with my math! Question 20 of 25How are photosynthesis and cellular respiration related?A. Cellular respiration is the process animals use to produce glucose,while photosynthesis is the process plants use to produceglucose.B. The products of photosynthesis are the reactants of cellularrespirationC. Cellular respiration provides the energy for photosynthesis.OD. Photosynthesis produces water molecules, while cellularrespiration splits water molecules apart. what is the weather in Ireland?