Vivian

This page lists questions and answers that were posted by visitors named Vivian.

Questions

The following questions were asked by visitors named Vivian.

Why does phone company offer different pricing structures for business and personal phone lines? I don't know for sure, but it is probably because business phones are making a profit (they hope) via phone usage. I hope this helps. Thanks for asking.

how do you expand Ln abs(ã7 x^3+2x^2)

Please help! It's one of the prelab questions. **Exp. Ethanol from Sucrose The diethylacetal of acetaldehyde can be detected by gas chromatography. How does this impurity arise in fermentation? **Exp. Acetaminophen In the reaction between p-aminophenol an...

what is the purpose of valves in ventricle?

In heart sound contain of two sound "Lub" and "Dub" When one of these sounds is not distinct, but is more of a gurgle, a person is said to have a heart murmur. What could cause this?

How do animals get their food? What body plans are associated with each of the major life strategies found in animals?

What distinguishes the various types of echinoderms from each other, and what common features allow them to be grouped together?

In word, Describe how you would calculate the concentration of green pigment. Assume that your 1/100 solution had an Abosrbance of 0.8 and that the extinction coefficient for the green pigment is e=2 mM^-1cm^-1. Remember the Beer Lambert Law.

Choose three of your favorite television characters; past or present. Complete the following matrix describing the characters’ personalities from the point of view of the three theorists, Jung, Freud, and Rogers. TV Character Jung Rogers Freud 1. 2. 3.

Final Project: Interview Profile • Resources: Ch. 5 (pp. 213-19); Ch. 6 (pp. 225-38); Ch. 9 (pp. 330-39); Ch. 11 (pp. 441- 46); Ch. 15 (pp. 571-80) in Psychology: An Introduction (12th ed.) Appendix A • Due Date: Day 7 [post to the Individual forum] • Int...

Two points in the xy plane have Cartesian coordinates (2.00, -4.00) m and (-5.00, 5.00) m. (a)What is the distance between these two points? (b) What are their polar coordinates?

Please help me unscramble the Greek word "uiiesp"

Lim (tan^2(x)/x) x->0

Lim (tan^2(x)/x) x->0

why is the gap between the rich and the poor growing according to Robert Reich in "What happned to the American Social Compact"?

how do I plot absorbance vs concentration and transmittance %T vs concentration on the same graph??

Ka=1.8x10^-5. How do you calculate the value of pKa?

what is a common physical property of ester?

"Most Americans would follow a thinker rather than become one themselves." Please help me explain that sentence, and also give me examples!!!who is a thinker?? in what situation do they follow the thinker, and why????

What creatures did the europeans introduce in the new world?

how does Eudora Welty use dialogue to establish characters and character relationship in A Visit of Charity?

Can sadness be loneliness?

Explore the theme of loneliness and discuss how the writer has conveyed this to the reader through their use of language and style.The poems, Night Waitress by Lynda Hull, The Lady in The Pink Mustang by Louise Erdrich, and Those Winter Sundays by Robert...

how does the M.A. and the I.M.A. of the inclined plane vary with the inclination angle?

what steps should we do if ethanol in a beaker ignites in the laboratory?

what steps should we do if a large bottle of acetone is broken and spilled in the laboratory?

why should we notify the laboratory instructor of any incidents that occur in laboratory?

Calculate the volume and curved surface area of a cone 14cm in base diameter and 24cm high

A right pyramid on a base 4cm square has a slant edge of 6cm.calculate the volume of the pyramid

Give equations to show how sulfuric acid can convert 4-methylcyclohexene into a mixture of four isomeric c7H12 compounds(including starting material). Predict the relative amounts of each isomer.

The first three terms in an arithmetic are given by x,4x+5 and 10x-5.find the value of x.

∫[(x+3)/(x^2 +9)]=????? Can you give me a hint for solving it?

how do we know if the curve theta = pi/2 is a circle, or semicircle, or spiral? I've tried to change the curve to x and y, but both sides of the equation are the same, and tan(pi/2)=infinity.

Mia is stacking copies of a new book in a square-pyramid display by the front window of her bookstore. for each consecutive layer, she places one book where four meet. A. I the bottom row of the display has 144 books and there is one book on the top, dete...

If the two lines are perpendicular, what is x + y 2y- 10 2x+1

A mixture of 16 g of salt and 47 g of baking soda is poured into 296 ml of water. What is the total mass of the mixture in grams?

At one school, the average amount of time that tenth-graders spend watching television each week is 18.4 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypoth...

Two liquids A and B have vapor pressures of 71.3 and 131 mmHg, respectively, at 25 degrees Celsius. What is the total vapor pressure of the ideal solution made up in the following concentrations? 1.00 mole of A and 1.00 mole of B 2.00 moles of A and 5.00...

Pls help.. Q: prepare a table of value for acid-base titration using 26.40cm^3 as end point

lee and his family are planning a hiking trip on the Appalachian trail. they are packing food in 2lb bundles. how many bundles can they make with 36 lb of food? write a number sentence to help you solve this problem.

in an album, the ratio of the number of local stamps to the number of foreign stamps was 7 : 4. When Lucy gave away 8 local stamps and 8 foreign stamps, there were 1.8 as many local stamps as foreign stamps in the album. find the total number of stamps Lu...

A ball is thrown at 41° below the horizontal from a rooftop of height 65 m. It lands 2 s later. Find: Find: a) its initial speed b) the point of impact with the ground; m from the base of the building c) the angle at which it hits the ground. ° below the...

During recrystallization, an orange solution of a compound in hot alcohol was treated with activated carbon and then filtered through fluted paper. On cooling, the filtrate gave gray crystals, although the compound was reported to be colorless. Explain wh...

Construct a cycle with the following steps: Begin with: 1 mol ideal monatomic gas at 300 K and 1 bar. Point A. 1. Isothermal reversible expansion till volume gets twice its original value. Point B. then, 2. Irreversible adiabatic expansion against P_ext=0...

a man steps out of a rowboat into a dock. The man has a mass of 80 kg and moves forward with a velocity of 1.5 m/s. If the boat has a mass of 120 kg. and was initially at rest, what is its final velocity?

A plane traveling at 200.0 km/h attempts to land on a 250 m runway. The plane’s engines and brakes accelerate uniformly at –7.0 m/s2. Will the plane be able to land safely? Show all your work. Include any equations used, including the given and the unknow...

Two functions f and g are defined over the set of R of real numbers as follows: f:x=2x-3 g:x=xsquare+5 find f[g(x-1)]

Hi, I have this question that I will be tested on but my teacher didn't teach us how to do it so I am confused on how to even start. Please explain on how to start the question...thank you How bright a star appears can depend on how much light the star ac...

Which is correct? I think the second one is correct. 1. Thank you John, Peter, Susan, and Veronica to be a part of the crew. OR 2. Thank you John, Peter, Susan, and Veronica for being a part of the crew.

To clarify, a triple bond between carbon and oxygen is more stable than a triple bond between carbon and nitrogen because oxygen is more electronegative. Is my understanding correct?

A 9.2 ounce can of tomato juice costs $3.48. What is the price per ounce of the tomato juice to the nearest cent?

A ceiling fan draws a current of 0.625 A and has a voltage of 120 V. The resistance of the ceiling fan, to the nearest tenth?

If it is 4:00 p.m. then what time is 17 hours ago? Is it 11:00 pm?

1. Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of each working solution c...

Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter.

I am still confused! Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter. Math - bo...

True or False? An identical cylinder filled with the same pressure of hydrogen contains more molecules because hydrogen molecules are smaller than oxygen molecules.

1. An empty balloon weighs 10.0 g and is filled to a volume of 20.0 L with CO gas. If the density of air at 25.0 °C and 1.00 atm is 1.17 g/L, will the balloon float? 2. Determine the volume of gas produced at 20.0 °C and 1.00 atm from the complete combust...

Why was sublimation performed under reduced pressure?

Hi! So I need help describing someone with heterochromia, for a third-point-of-view fictional story. Thanks for your help!

I know that there is such thing as inversion of stereochemistry,but is there such thing as inversion of stereocenter? Are stereocenter and stereochemistry the same thing or mean the same thing? Thank you, Vivian

Replace with vs. Replace for? 1. Replace white rice with brown rice. Does this mean use brown rice instead? 2. Replace white rice for brown rice. Does this mean use white rice instead?

Which of the following countries is NOT a member of the G-7? Germany France Italy Great Britain Spain

anthony has decided to purchase a $19000 car. he plans to put 20% down toward the purchase and to finance the rest at a 6.8% interest rate for 4 years. find the monthly payment

Combine these 2 sentences with an adverbial clause: The mountain was breathtaking. We took a picture of it.

Discuss the inside and remote circumstances that led to the emergence of sociology as a distinct field of study.

Natural selection is an example of a mechanism of evolution. Does this mechanism produce a change in individuals or populations? Explain!

Find all the x-intercepts of the curve y=4x^4-17x^2-15

A scientist travels straight down for 90 seconds at a speed of 3.5 feet per second and then travels directly up for 30 seconds at a speed at a speed of 2.2 feet per second after this 120 second period,how much time in seconds,will it take for the scientis...

Tau ,Igo,Iron shared a bag of mangoes in the ratio 7:5:14 If Igo receives 18 mangoes less than Iro,how many mangoes does Iro receive?

“Must be paid the day of” means “must be paid on that day,” correct?

“You are running the risk of affairs.” Does this mean that I will be the one who has an affair or is it my partner? I think it is the former one.

Y=2sin2Π{0.10t-0.1x}

Anyone know the answer to this about Romeo and Juliet Act 4? I read through the script and couldn't find Friar Lawrence talking about his plan for Romeo and Juliet after she wakes up besides them going to Mantua, but that's not an answer option. Friar Law...

What does it mean to round to the nearest 10 mg? Could you please provide some examples?

Two similar solids whose densities are each 1g/cm^3. are such that the first has a height of 5cm and a volume of 120cm^3.the second has a mass of 3240g.find the height of the second solid

What are the three contributing factors that led to the human rights violation of gender based violence

A sample containing silver was treated with an excess of sodium chloride to precipitate the silver ions as silver chloride. The precipitate weighed 0.576g. If the percentage of silver in the sample was 80%, determine the mass of the sample using the gravi...

Since i have seen the resultant vector of 3 unit and4unit.i also want to caculate the angle and the resultant force vector of 4 unit use the diagram of parallelogram

James played holes of golf on Saturday. On each of holes he was under par, on each of holes he was over par, on hole he was over par, on each of holes he shot par, and on each of holes he was over par. How did he finish relative to par?

Factor the expression. 20k+50 PLEASE HELP!

Interest groups can influence public policy by: (1 point) A - Endorsing a candidate that supports their ideas. B - Supporting candidates that oppose their ideas. C - Remaining neutral on how to solve problems. D - Avoiding involvement in petitions for cha...

If the following addition was in base 3

Answers

The following answers were posted by visitors named Vivian.

Beach sand from the Caribbean is made of calcium remains of coral and shelled creatures. Vinegar is the acid and calcium is the base.

Two fishing boats depart a harbor at the same time, one traveling east, the other south. The eastbound boat travels at a speed 7 mi/h faster than the southbound boat. After seven hours the boats are 91 mi apart. Find the speed of the southbound boat.

I just did 180m/1 day times 1 day/1440 minutes Hope this hdlps

sin 27=0.45=59/x => x=115.69 tan27=0.51=59/y => y=131.11 ratio=y/x => ratio= 1.1

Jimmy is rolling a number cube labeled 1-6 and also spinning a 3-section spinner labeled red, yellow, and blue. How many outcomes are possible What are they? make a list what is the probability of spinning yellow? 4. If Mary says she always rolls yellow w...

Discriminations

I think 5 would be A because an external cost will affect a third party, so someone else than who made the decision in the first place.

Density is equal to mass divided by volume. To find volume, multiply the length, width, and height. This applies for any rectangular prism. In the case of a cube, all sides are the same, so multiply 2*2*2 or 2^3. You'll get 8 cm^3. D = m/V, so D = 32/8 =...

30 miles/2.5 hours = 12 miles/hour 12 miles/hour * 4.5 hours = 54 miles

Are you able to show me the work to get this answer? I'm not able to get the same answer. I'm coming up with 0.3782. Thank you.

7+6-12=13-12=13(+)-12=1

I need to convert my answer (volume) into microliter.

See what 12 and 9 go into (3) 3 goes into 12 4 times 3 goes into 9 3 times take the biggest number and times both of them by that number. 9x4 = 36 12x4 = 48 Take the number 3 goes into and add that number to 9:15am 3:30

I forgot to mention that he has his right eye jade green and left one lake blue.

Thank you for offering your help. I know what heterochromia is, but I need help describing it as in for someone with blue eyes you'd say: His crystal blue eyes seemed to hold a magical gaze. Or something like that. I don't know how I would describe the ch...

The result is neutral

How many kilograms of Chalcopyrite to get 325g of Cu?

How many kilograms of chalcopyrite needs to be mined to get 325g of pure Cu?

Thanks for the answer, I was stressed out

Oops. My name is Vivian, not V.

Don't know answer

Why do u subtract by 30/30?

Ricky of pregnancy Teenage suicides

(2,780+3,336+3,013)/3 Remove the bracket 2,780+3,336+3,013/3 =6116-3013/3=9129/3=3,043 The wage of the three men is=3,043✓

Explain properly job opportunities

Answer my question

The endpoints of a diameter of a circle are L(-3,-2) and G(9,-6). what is the length of the radius of the circle

Thank u so much. This page helps me a lot

1.social norms 2.law level of woman's empowered 3.lack of social support

(b) πr^2 =22/7×21/4×21/4 =693/8cm^2 ~87cm^2

I don't understand the answer

I want you to solve the answer

Pls i need the answer

But i need the solving pls

The number of molecules in 6.4g of so2 (s=32,o=16),32+16*2=64g 64g(1 mol) of so2 contains 6.02*10^23 molecules 6.4g of so2 contains=6.02*10^23*6.4/64, =6.02*10^22.answer

Nevermind, I finished it. The answers are: A - Endorsing a candidate C - Preserving local natural habitats D - Conservation of lakes & streams Hope this helped!