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A circle has an area of 12. If the radius is increased by a factor of 2, what is the new area of the circle?

Answered by answersmine AT 22/10/2019 – 02:38 AM A=12. A=π×r^2(area of a circle)π×r^2=12r×2:π×(r×2)^2= π×r^2×4. Here you can see that the calculation is exactly the same as above except from the Factor 4. This Shows that the area is four times bigger than before: 12×4

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A manufacturing company hired 30 new employees. This hiring increased the company’s total workforce by 5%. How many employees now work at this company?

We can solve this problem by using the formula: 1 + fractional increase = (original employees + new employees) / original employees Lets say, x = original employees Therefore substituting the known values: 1 + 0.05 = (x + 30) / x 1.05 x = x + 30 0.05 x …

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The property taxes on a house that Alan owns and rents out to have increased. to balance his monthly budget, he decides to increase his talents rent by $10 per month. he will use extra money to pay his property tax. in this scenario, what type of tax do his tenants pay?

The property taxes on a house that Alan owns and rents out to have increased. to balance his monthly budget, he decides to increase his talents rent by $10 per month. he will use extra money to pay his property tax. in this scenario, what type of tax do his …

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What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

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A rectangular deck is 12ft by 14ft. When the length and width are increased by the same amount, the area becomes 288sq. ft. By how much were the dimensions increased?

A rectangular deck is 12ft by 14ft. When the length and width are increased by the same amount, the area becomes 288sq. ft. By how much were the dimensions increased?

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Which of the following might a person experience if he is not properly prepared for activity he is participating in? A. High Blood Pressure B. Low Heart Rate C. Increased Flexibility D. Broken Bones

Which of the following might a person experience if he is not properly prepared for activity he is participating in? A. High Blood Pressure B. Low Heart Rate C. Increased Flexibility D. Broken Bones

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Which religious group of immigrants increased the most between the years of 1900-2000? Jews Catholics Mormons Protestants

Answered by answersmine AT 22/10/2019 – 04:33 AM I assume this is in the US and I would say Catholics due to the migration of many Mexicans and Central Americans due to tough economic conditions in their own countries and also the civil wars in countries like El Salvador, Guatemala …

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A sample of carbon dioxide gas, co2 (g), occupies a volume of 5.75 l at 0.890 atm. if the temperature and the number of moles remain constant, calculate the volume when the pressure a. increased to 1.25 atm b. decrease to 0.350 atm

According to Boyle’s law;P1V1 = P2V2P1 is the pressure of the gas in the first case.V1 is the volume of the gas in the first case.P2 is the pressure of the gas in the second case.V2 is the volume of the gas in the second case. P1 = 0.890 atm, …

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When milgram modified his shock experiment so that the teacher could see the learner, the level of obedience decreased. increased slightly. remained unchanged. increased greatly?

Answered by answersmine AT 22/10/2019 – 04:54 AM The correct answer is decreased. It did decrease but it was only slightly and the “teachers” still kept doing what they were doing. Another thing where it decreased was when the venue was changed from Yale to a regular city. Both cases …

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A gas sample is heated from -20.0°c to 57.0°c and the volume is increased from 2.00 l to 4.50 l. if the initial pressure is 0.140 atm, what is the final pressure

A gas sample is heated from -20.0°c to 57.0°c and the volume is increased from 2.00 l to 4.50 l. if the initial pressure is 0.140 atm, what is the final pressure

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Grace was given the description “three less than the quotient of a number squared and nine, increased by eight” and was asked to evaluate it when n = 6. Her work is shown below.

Answer:  The correct option is (C). 10 = square root of the quantity of x minus 8 all squared plus y minus 9 all squared Step-by-step explanation:  Given that the segment AB has point A located at (8, 9). The distance from A to B is 10 units. We are …

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If the rate-determining step limits the speed of a reaction, which statement is correct? Even if one or more fast steps occur in a reaction, the overall reaction cannot proceed any faster than the slowest step. If the first step is slow and the second step is fast, then the second step should determine the rate of the overall reaction. Increasing the concentration of a molecule that occurs in a fast step after a slow step will increase the overall rate of the reaction. In a unimolecular reaction where A decomposes to B and C, the rate of the reaction will decrease if the concentration of A is increased.

A positive cahnge of enthalpy, ΔH rxn = + 55 kJ/mol, for the forward reaction means that the reaction is endothermic, i.e. the reactants absorb energy and the products are higher in energy. Activation energy is the difference in the energy level of the reactants and the peak in the …

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What condition did NOT contribute to the consumer economy of the 1920s? eliminating the ability to buy on credit clever advertising increased wages and incomes new technological advances

What condition did NOT contribute to the consumer economy of the 1920s? eliminating the ability to buy on credit clever advertising increased wages and incomes new technological advances

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WILL GIVE BRAINIEST ANSWER ASAP 1. Africa’s population is growing very quickly. 2. Much of the best land in Africa is being used to grow cash crops, such as coffee, for export to other countries. 3. Droughts are common in Africa. Which of the following problems are the governments of Africa most likely to be concerned about as a result of the conditions above? A. increased risk of famine B. lower poverty rates C. higher education attendance D. lower rates of disease

Answer: The answer is C. In order to carefully control conditions and confirm or disconfirm a hypothesis about the causes of behavior, one must perform an experiment. Explanation: Experimental research allows the researcher to control all the variables in order to create the conditions that can confirm or disconfirm a …

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Juanita’s boss told her that once she has worked with the company for 10 years, her salary will be increased to 3 times what she makes now plus $2,000. If s represents her original salary, which expression represents what her salary will be after 10 years at the company?

Answer: 3 hours.           Step-by-step explanation: Let x be the time taken by shoe repairman to repair one pair. We have been given that his assistant, who takes twice as long to repair a pair of shoes. So time taken by his assistant to repair one …

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Studies continue to prove that if a girl stays in school she will strengthen her family, community, and nation. A long list of benefits of educating a girl in a developing country compiled by the World Health Organization includes later marriages, smaller families, better hygiene, greatly increased likelihood that further children will receive education, and my favorite – greater confidence. A bicycle is a simple, sustainable tool that eases long travel distances and encourages girls to stay in school. —Foreword to Wheels of Change, Leah Missbach Day What is the central idea of this passage from the foreword?

Here are a few pointers; hope this is useful) Ovation-by definition- is show of appreciation from an audience, for a person’s accomplishments or flaw. “Everyone deserves a standing ovation because we all overcometh the world.” A person’s accomplishment could be how they made a positive change in this world, strong …

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Dense water near the poles sinks, creating a current towards the equator. What would you expect to happen to this current if temperatures at the poles increased? A. The current would move to the surface B. Nothing would happen to the current C. The current would decrease in speed D. The current would increase in speed

The gravitational force Fg between two objects is given by the equation: Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.  Due to the gravitational attraction the pencil and the eraser will …

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Which statement is supported by information in the charts? Select all that apply. 1. The share of world GDP contributed by the United States declined between 2000 and 2010. 2. The share of world GDP contributed by China increased between 2000 and 2010. 3. US GDP declined from 2000 to 2010. 4. World GDP declined from 2000 to 2010. 5. The amount contributed by nations other than China and the United States increased from 2000 to 2010.The graphs show the percentages, not the actual amounts.

Answer: Noninvolvement in world affairs is termed “isolationism”. Explanation: Isolationism is a concept that designates a political inclination that defends the isolation and nonintervention of a country in international conjunctural issues. That is, putting it in simpler terms, isolationism proposes that a country does not intervene in any way in …

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What happened to Virginia’s economy in the 17th century as the importation of slaves increased?

The winds of revolution sweeping Egypt today aren’t the first that have ravaged that nation. Most history textbooks open with a description of ancient Egypt as a towering civilization that, for more than a millennium, led mankind’s intellectual, political and cultural advancement. Each year, millions of visitors marvel at the …

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The gas in a cylinder has a volume of 5 liters at a pressure of 101 kPa. The pressure of the gas is increased to 202 kPa. Assuming the temperature remains constant, what would the new volume be? L

This problem is to apply Roult’s Law. Roult’s Law states that the vapor pressure, p, of a solution of a non-volatile solute is equal to the vapor pressure of the pure solvent, Po solv, times the mole fraction of the solvent, Xsolv p = Xsolv * Po sol X solv …

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A client’s dose of sinemet has recently been increased due to an exacerbation of the client’s parkinsonian symptoms. what assessment finding would suggest that the client is experiencing adverse effects?

Charlie had a waist circumference of 47 inches and a BMI of 29 this shows that she is overweight. BMI test level is high from normal ranges shows that she is at higher risk of disease. She should lose weight and concern to the doctor. Further Explanation: Body mass index …

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Choose the answer which best explains how vasoconstriction can cause increased blood pressure. choose the answer which best explains how vasoconstriction can cause increased blood pressure. vasoconstriction increases peripheral resistance (also called vascular resistance). vasoconstriction decreases cardiac output. vasoconstriction increases cardiac output. vasoconstriction decreases peripheral resistance (also called vascular resistance).

There are two systems in the human body that are responsible for the coordination between the functions of different systems to achieve the unity of the living organism’s body. These two systems are the nervous system and the endocrine system. The action of the nervous system is fast and takes …

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What effect did the passing of the Embargo Act of 1807 by Jefferson have upon the United States? American production increased. New factory systems developed. Trade with England increased.

Karl Marx developed the economic theory of communism. Further Explanation: One of Karl Marx’s most famous contributions came in his book the Communist Manifesto. This book explained Mark’s views on government, the economy, and ultimately lead to the creation of communism as an idea. A communism system is one that …

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