# theresa

Newest questions and responses by theresa-
## Physics

When light of wavelength 130 nm falls on a cobalt surface, electrons having a maximum kinetic energy of 4.55 eV are emitted. Find values for the following. (a) the work function of cobalt (in eV) (b) the cutoff wavelength (in nm) (c) the frequency

*asked on April 13, 2017* -
## Quantitative Reasoning (MATH)

If the national economy shrank at an annual rate of 11% per year for three consecutive years, then the economy shrank by 33% over the three-year period.

*asked on February 20, 2017* -
## English

What must people know or understand about a place in order to belong there? How do they gain that knowledge or understanding? What types of experiences can tell people that they do not belong? In what cases might a person draw conclusions about others

*asked on January 23, 2017* -
## Algebra

Please help with the following problem: Suppose that x and y vary directly, and x=4 when y=10. Write the function that models the direct variation.

*asked on May 17, 2016* -
## math

100000$ loan at 10% interest for 10 years.

*asked on May 8, 2016* -
## Math

91/3 x 12 =

*asked on February 21, 2016* -
## World civilization

Which period of Egyptian history was known for building pyramids

*asked on December 1, 2015* -
## math

if someone pays with a fifty dollar bill n the fare cost $28.10 how would i determine the change counting up ?

*asked on November 15, 2015* -
## Adult basic educational

Lily bought 3 quarts of soda to make punch for a party. If she had 3 pints left over, how much did she use?

*asked on November 6, 2015* -
## FINANCIAL ALGEBRA

Insert the following demand function ton to the basic Revenue equation and email me your result. q = -350p + 22,000

*asked on October 7, 2015* -
## math

2,071,463,548 place value

*asked on August 10, 2015* -
## Science

A balloon filled with air is taken up a mountain with hiker. What is the pressure exerted on the balloon at sea level?

*asked on May 22, 2015* -
## chem

what are the three stages that it takes for an equilibrium to become established?

*asked on April 29, 2015* -
## Chemistry HW!!!

1. If I dilute 75 mL of 0.50 M CaF2 solution to a final volume of 375 mL, what will be the molarity of the resulting solution? 2. What will be the final volume of the solution be if I start with a 250 mL of 1.38 M MgCl2 solution to make a solution with a

*asked on March 11, 2015* -
## chemistry

Ideal Mixed Gas Law problems 1. What is the pressure generated by a mixture of 25.6 g SO2 and 12.6 g Ne in a container of 72.45 L and temperature of 131 K? 2. What is the pressure of a mixture of 5.80 moles Kr and 2.71 moles Xe in a container with a volume

*asked on February 23, 2015* -
## chem

Show work 1. How many moles of oxygen will occupy a volume of 2.50 liters at 121.6 kPa and 331 K? 2. An unknown volume of chlorine gas (Cl2) is resting at 127 °C at a of pressure 152.4 kPa. If the gas weighs 191.4 g, what is the volume? 3. A 2.917 mole

*asked on February 22, 2015* -
## Math

On January 31, a count of ending inventory was completed, and 7,200 units were on hand. Using the periodic inventory system, calculate the cost of goods sold and ending inventory using LIFO, FIFO, and weighted-average inventory methods.

*asked on February 8, 2015* -
## psychlogical statistics

A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues - 25 Learning/school issues - 15 Relationship issues - 5 Other - 5 What is the probability that if we

*asked on January 24, 2015* -
## Chemistry

find the gram formula mass for the following: 1) In2(S2O3)3 2) Np 3) Re3(PO4)7

*asked on January 2, 2015* -
## CHEM MOLES !@@!

Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of

*asked on December 16, 2014* -
## Chemistry Help!!

Types of Reactions Worksheet Balance the following equations and indicate the type of reaction taking place: 1) 2 NH3 + 3 I2 N2I6 + 3 H2 Type of reaction: ____________________ 2) 3 Ca(OH)2 + Al2(SO4)3 3 Ca(SO4) + 2 Al(OH)3 Type of reaction:

*asked on December 8, 2014* -
## Chem HW

COVALENT COMPOUNDS WORKSHEET 1. Find the Bond Lengths in the following compounds: report in pm a) SiF4 __________________________________________________ b) N2S3 : N-N________________ N-S _______________________________ c) HBr

*asked on November 16, 2014* -
## Chemistry

1. what type of covalent bonded liquid will a polar covalent solid dissolve in? (hint like dissolves like) 2. what type of covalent bonded liquid will a non polar covalent solid dissolve in? (hint like dissolves like) 3. In what type of solvent will a

*asked on November 12, 2014* -
## Advanced Algebra

How do I solve: how to solve 3x=4(4-2x)=11 and x-2y+4z=9 x=2z+2 y=-4z ? Thanks Need ASAP

*asked on November 11, 2014* -
## College Chemistry

Please tell me what I did wrong on this problem: Given the equation Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g), Calculate the number of grams of CO that can react with 0.370kg of Fe2O3 Here's what I did: .370kg x 1000 = 370g of Fe2O3 370g/[(55.85 x 2) + (13 x 3)] =

*asked on November 1, 2014* -
## Chemistry

need the answers to the formulas for the Ionic Compound: DiAmmonium Chromate Also I need the name of the following formula Sr(MnO4)2

*asked on October 28, 2014* -
## Trigonometry

A car traveling at a constant rate due east passes an interstate exit that is 1.0 mile from a gas station. The gas station is S50°E of the exit. After the car has traveled for 2.0 minutes, its bearing to the gas station is S55°W. How fast is the car

*asked on September 29, 2014* -
## spanish

what is 530.000

*asked on September 13, 2014* -
## math

anually compound amount and compound interest of $42.000 with a nominal rate of 11% for 19 years

*asked on April 22, 2014* -
## math

what is the compound amount and compound interest of $7.700 with a nominal rate of 6% for 5 years

*asked on April 22, 2014* -
## math

If a school canteen makes 72 sandwiches and sells 5/6 of them how many are sold

*asked on March 19, 2014* -
## PEOPLE, SCIENCE, AND THE ENVIRONMENT

. If all life ceased on Earth, how quickly would the atmosphere become like that of Venus and Mars? Explain.

*asked on March 12, 2014* -
## Math

I'm a 5th grader and I'm having a hard time writing the above fractions in order. They are 3/10, 1, 1/4, 5/8, 2/3, 1/8, 5/6, 3/4, 0, 1/6, 7/8, 1/3? Am I suppose to find the least common denominator first?

*asked on January 22, 2014* -
## Science, Chemistry

A cylinder containing 11.0L of helium gas at a pressure of 165atm is to be used to fill birthday balloons to a volume of 2.50L per balloon and at a pressure of 1.10atm. What is the maximum number of balloons that can be inflated at a constant temperature?

*asked on October 21, 2013* -
## Physics

A runner is jogging at a steady 2.7 km/hr. When the runner is 7.7 km from the finish line, a bird begins flying from the runner to the finish line at 5.4 km/hr (2 times as fast as the runner). When the bird reaches the finish line, it turns around and

*asked on September 21, 2013* -
## math

mary has outstanding preferred stock That pays a dividend of $4 per share and sells for $82 per share, with a floatation cost of $6 per share. What is the component cost for Coogly's preferred stock? What are the advantages and disadvantages of using

*asked on April 17, 2013* -
## Statistic

Heights of adult men have a mean of 69.0 inches and a standard deviation of 2.8 inches. Approximately what percentage of adult men have a height between 66.2 and 77.4 inches? Must show the number and the empirical rule

*asked on February 19, 2013* -
## Algebra

Unicycling. In 2005, Ken Looi of New Zealand set a record by covering 235.3 mi in 24 hr on his unicycle. After 8 hr, he was approximately twice as far from the finish line as he was from the start. How far had he traveled?

*asked on January 30, 2013* -
## Algebra

Price of a printer. Laura paid $219.45, including 5% tax, for an all-in-one color printer. How much did the printer itself cost?

*asked on January 30, 2013* -
## Algebra

Price of a calculator. Kayla paid $137.80, including 6% tax, for her graphing calculator. How much did the calculator itself cost?

*asked on January 30, 2013* -
## algebra

price of sneakers. Amy paid $102 for a paid of new balance 1122 running shoes during a 15%-off sale. What was the regular price?

*asked on January 30, 2013* -
## Math

What is the relationship between addition and subtraction?

*asked on January 28, 2013* -
## math

4(2x -5)

*asked on January 28, 2013* -
## writing

Edit mMath Autobiography Theresa V. Monteiro MAT 095 11:00 AM – 12:15 PM My name is Theresa and I am from Norwalk Connecticut. I’ve been living here for a year now. I moved to New London Connecticut to start my life. I’ve taken care of all my

*asked on January 28, 2013* -
## Algebra

Can you please show me step by step to the answer you have given me. -1/4(8x+2). I still do not understand how you came up with the answer. Thank yooi

*asked on January 27, 2013* -
## Algebra

-1/4(8x+2)

*asked on January 27, 2013* -
## math

rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished twice as much as she did on tuesday. how much did she read each day?

*asked on January 15, 2013* -
## Math

The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. a) Compute the

*asked on January 9, 2013* -
## Math

The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. a) Compute the

*asked on January 2, 2013* -
## Math

Find all the three digit numbers where the sum of of the first two digits equals the third digit.

*asked on December 17, 2012* -
## Human Services

Mandie a new social worker in a residential treatment facility for adolescent teens, notices a disparity between the privileges given to the white residents as opposed to the American African residents. Since she is new, she begins to ask subtle questions

*asked on December 11, 2012* -
## math

whole number for 30.089

*asked on November 6, 2012* -
## MAth

A bOY goes on VacATION with fivE shirts.each day HE used TWO diferent shIRts EACH day. HOW MANy DAYS will IT TAKE him TO USE thE FIVe SHIRTS WITHOUT REPEATINg the pattern

*asked on October 24, 2012* -
## Algebra

What is the greatest common factor? How do you know when you have found the greatest one?

*asked on October 2, 2012* -
## Algebra

Do you always use the property of distribution when multiplying monomials and polynomials? Explain why or why not. In what situations would distribution become important?

*asked on September 27, 2012* -
## Algebra....HELP!!

Use the elimination method to solve the system of equations a + 6b =4 a + 3b = -2 What is the solution in an ordered pair?

*asked on September 9, 2012* -
## Algebra....HELP!!

Solve the elimination method 7a + 6b = 3 -7a +b = 25 The solution of the system is?

*asked on September 7, 2012* -
## Algebra

Do the equations x = 4y + 1 and x = 4y - 1 have the same solution? How might you explain your answer to someone who has not learned algebra?

*asked on September 6, 2012* -
## Math

Quadrilateral ABCD has vertices at A(6,3), B(3,9), C(6,6) and D(12,3).It is reflected across the y axis. What are the new coordinates. Explain

*asked on September 3, 2012* -
## Algebra 1

What are two symbolic techniques used to solve linear equations?

*asked on August 30, 2012* -
## Ethics

what are examples of the concept and complexity of identity

*asked on August 20, 2012* -
## Math

The shorter edges of a 44cm x 25cm metal sheet are joined to form the curve surface of a cylinder. What is the volume of the cylinder? What is the area of metal sheet required to make the top and the bottom cylinder?

*asked on August 15, 2012* -
## math

The lengths of the edges of a rectangular block are integers and their total is 60. What is the greatest possible volume?

*asked on August 15, 2012* -
## Math

How do I do this problem: 50-3 7/8= Not sure how to figure this out. Please can someone help me....

*asked on August 14, 2012* -
## Physics

A uniform rod AB of length 2a and mass M is freely pivoted at A and is held with B vertically above A. It is then allowed to fall and when B is vertically below A it strikes a stationary particle , also of mass M,which sticks to the rod at B. The rod then

*asked on May 26, 2012* -
## CUC

1.(a) A solid sphere of mass 100gm and radius 2.5cm rolls without sliding wit ha uniform velocity of 10cm/sec along a straight line on a smooth horizontal table. Calculate the total energy. (b) A hoop of radius 100cm and mass 19kg is rolling along a

*asked on May 26, 2012* -
## CUC

1.Two masses of 4gm and 6gm respectively are attached to the ends of a light rod of negligible mass and the rod rotates anticlockwise at the rate of 2rev/sec about an axis passing through the center of mass and perpendicular to its length. Calculate (a)the

*asked on May 26, 2012* -
## CUC

1. A rocket was found to be 150m when measured on earth.It then leaves and move at a constant velocity of 2 x 10m/s. What is its new length? 2. Two spaceships A and B are moving in opposite directions, A with a speed of 0.9c while B with a speed of 6c.

*asked on May 26, 2012* -
## CUC

(a)Explain the term time dilation. (b) Show that an interval of time observed in a moving frame of reference will be less than the same interval observed in a stationary frame of reference.

*asked on May 26, 2012* -
## math

What is the total number of vetices in a rectangular prism with a length of 7.5 inches a width of 2.5 inches and a height if 11 inches?

*asked on April 18, 2012* -
## algebra

Perform the division, x squared + 16x +63 divided by x + 7

*asked on April 16, 2012* -
## math

On a map, the length of a nature-center trail is 10.8 centimeters. If the scale is 3 centimeters to 20 kilometers, what is the actual length of the trail.

*asked on April 13, 2012* -
## English

I need help writing a 150-200 word paragraph on Identify an introductory technique that could be used to grab the readers attention and showcase the main idea?

*asked on March 29, 2012* -
## math

related to last question -- why is the probability the same for yyy, xxx,zzz on the spinner with x y z thanks

*asked on March 7, 2012* -
## logic application

You are playing Guess Your Card with three other players. Here is what you see: •Andy has the cards 1, 3, & 7 •Belle has the cards 3, 4, & 7 •Carol has the cards 4, 6, & 8 Andy draws the question card, “Do you see two or more players whose cards

*asked on February 29, 2012* -
## strayer

You are playing Guess Your Card with three other players. Here is what you see: •Andy has the cards 1, 3, & 7 •Belle has the cards 3, 4, & 7 •Carol has the cards 4, 6, & 8 Andy draws the question card, “Do you see two or more players whose cards

*asked on February 29, 2012* -
## college/ pre-cal

a square fence 9 feet high enclosing a radio tower is 3 feet from the tower on all 4 sides. guy wires used to hold the tower in position are attached to the tower 30 feet above the ground and 13 feet from the fence on all 4 sides. How long are the guy

*asked on February 23, 2012* -
## SDSU

I need help solving Integral from 0 to (a/sqrt(b)) of (a^2-bx^2)^(3/2) I got (a^4/8sqrt(b)) - 3a^4pi/4sqrt(b)

*asked on February 7, 2012* -
## Math

Ms. Ervine has a basket of grapes. If she gives 6 grapes to each of her students, she will have 2 grapes left. If she gives 7 grapes to each of her students, she will have to buy 11 more grapes. A) How many students does Ms. Ervine have? B) How many grapes

*asked on January 25, 2012* -
## grade 8 math

how many different ways can eight cars finish in a race 1st, 2nd, 3rd ?

*asked on January 23, 2012* -
## math

ben and glen are practicing short golf shots. they are aiming for a flag that is 110 yards away? they consider any shot between 105 and 115 yards to be accurate. here are their results in yards. ben: 110,130,88,105,108,110,118,100,120,103.and Glen:

*asked on January 6, 2012* -
## Grammar- Complete Sentences

Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coag-positive staphylococcus. A This is a run-on that needs a semicolon after time. B This is a run-on that needs to be split into two separate

*asked on November 5, 2011* -
## grammar

Parts of speech, The patient was brought 1 to the operating room and2 Bier block anesthesia3 was performed. 1 was brough= verb 2 and= conjunction 3 anesthesia= adjective Are my answers right?

*asked on November 5, 2011* -
## Science

What are two changes in weather patterns caused by el nino that can cause disasters?

*asked on November 1, 2011* -
## math

I've saved $9.00 to buy something.That is 1/6 the amount I need how do I figure out how much the coat costs?

*asked on September 22, 2011* -
## Math

the principle B is borrowed at a simple interest rate r for a period of time t. Find the simple interest owed for the use of the money,. Assume there are 360 days in a year and round to the nearest cent. P=$4000, r=6.0%and t=6 month

*asked on July 16, 2011* -
## Math

Express 9/80 as a percent

*asked on July 16, 2011* -
## math

what is the positive root of 836

*asked on June 24, 2011* -
## Physics

A 1140 kg car skidding due north on a level frictionless icy road at 178.56 km/h collides with a 1653 kg car skidding due east at 124 km/h in such a way that the two cars stick together. At what angle (−180 +180) East of North do the two coupled

*asked on June 22, 2011* -
## Math

If I need to reupholster a couch that is 6 feet long and 54 inches tall and the fabric is 4.99 a yard how much fabric would I need?

*asked on June 22, 2011* -
## Communication

What are innovative uses of communication technology that changed the world

*asked on May 25, 2011* -
## math

90,40,15. What is the next number in the pattern and what is the rule for the pattern

*asked on April 27, 2011* -
## Communication

How you currently communicate your gender, social, and cultural identities in face to face and online environments, are they differently and why

*asked on April 24, 2011* -
## Communication

How do the components and processes of communication apply to the electronic/computer chanel

*asked on April 17, 2011* -
## Communication

One way to make online communication more effective

*asked on April 17, 2011* -
## math

What is the value of $6,440.00 at 10% interest rate in 19 months?

*asked on March 28, 2011* -
## social studies

how did the search for a northwest passage lead to the founding of new france and new netherland?

*asked on February 6, 2011* -
## social studies

which currents travels all the way around the world?

*asked on February 6, 2011* -
## rivers and sea

what part of america do you think explores would reach first?

*asked on February 6, 2011* -
## rivers and sea

which current travels all the way around the world?

*asked on February 6, 2011*

## Pages

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