Friday

April 18, 2014

April 18, 2014

Total # Posts: 68,163

**physics**

A spring can store 25 J of energy when compressed by 0.13 m. What is the spring constant of the spring? Use SI units in your answer. k =

**Math 2 questions**

1.5.652 rounded to the nearest tenth. 2. The two triangles below are similar. Find the value of x. triangle 1: base: 4 height: 10 triangle 2: base: x height: 20 what would X be? my guess 8.

**Physics**

The electric field on the axis of a uniformly charged ring has magnitude 370kN/C at a point 6.2cm from the ring center. The magnitude 17cm from the center is 150kN/C ; in both cases the field points away from the ring.Find the ring's radius.

**Math help plz check my answers!**

Ooooohhhh. Thanks alot.

**Math help plz check my answers!**

nah. I think B.

**Math help plz check my answers!**

is it A?

**Math help plz check my answers!**

Name the quadrilaterals that have four equal sides. rhombus, square square, rectangle parallelogram, rhombus rhombus, trapezoid*** is this right?

**Math help plz check my answers!**

Lol thanks!! :-)

**Math help plz check my answers!**

11. Name the triangles that are classified by sides. right, scalene, isosceles scalene, isosceles, equilateral*** acute, right, obtuse obtuse, isosceles, acute

**Algebra 1 Answer Check**

Factor each trinomial. 1. -2x^2 + 5x + 12 A: -1(2x + 3)(x - 4) 2. 4a^2 + 8a - 5 A: (2a -1)(2a + 5) 3. -4x^2 - 8x + 5 A: -1(2x - 1)(2x + 5) 4. -5x^2 + 7x + 6 A: -1(5x + 3)(x - 2)

**math**

47. (-3,0),(1,4),(-1,6),(2,0) can some help me graph this

**English**

Leonardo da Vinci believed in soper vedere, or the power of observation. While his contemporaries looked for scientific truth in the writings of ancient scholars, da Vinci's theories were based on empirical research, that which he observed and recorded in his many notebook...

**Chemistry**

Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells having the following cell reactions: 2H2+O2=2H2O in acidic solution 2H2+O2=2H2O in basic solution I understand the idea behind the problem, but I am not sure how the ac...

**US History**

What is the second great awakeing?

**English**

I am assuming the rest of the answers to the questions were correct.

**English**

Choose the best answer 1. What do you get if you mix common bacteria and vinegar. The word common means a. multiple b. ordinary - the answer c. lower-class d. poisonous 2. It is a serious question. The answer is you get bacteria that eat toxic waste and turn that waste into sa...

**Algebra**

When I factor an expression completely, I get 6(v^2 + 9)(3v - 5). Is it possible to write this as 6(v + 3)(v + 3)(3v - 5)?

**algebra 1**

Divide the following radical and simplify the answer. 2003-04-05-00-00_files/i0160000.jpg

**programming**

Write an algorithm to compute average score for each student in the Computer Science Continuous assessment test. Assume each student sat for ten courses for the semester

**statistics**

1. A company decides to add a new program that prepares randomly selected sales personnel to increase their number of sales per month. The mean number of sales per month for the overall population of sales people at this national company is 25 with a standard deviation of 4. T...

**math**

1200

**physics**

A piece of metal has a mass of 85cg and a volume of 450L. What is its density in g/cm3? What would be the mass of 300 cm3 of this metal? What would be the volume of 00 ounces of this metal?

**chemistry**

what is the latent heat of silver metal if 55.0 grams of metal liquefies with 47.3J of heat added?

**Biology**

yujuyjy

**SCIENCE CAN ANYONE HELP**

A.) Show how vertical multiplication can be used to do a charge balance if Zn2+ combines with Cl- b.) Write the chemical formula name for the compound that would be formed I've been waiting for hours and I haven't even received any help...

**Science urgent **

A.) Show how vertical multiplication can be used to do a charge balance if Zn2+ combines with Cl- b.) Write the chemical formula name for the compound that would be formed

**Sensor Networks**

also I want to know the answer

**trig**

three forces

**chem**

f the synthesis of 1.00 mol of ATP from adenosine diphosphate (ADP) requires a ΔG of 37.7 kJ, how many moles of ATP are synthesized per mole of O2?

**math**

what is the equation in point-slope form for the line parallel to y=-2x+10 that contains j(6,8)?

**chemistry**

The equilibrium constant, Kp, for the following reaction is 2.74 at 1150 K. Calculate Kc for this reaction at this temperature. 2SO3(g) 2SO2(g) + O2(g)

**1 question!**

What are some examples of musculoskeletal disorders? headaches and seizures eyestrain, blurred vision, and dizziness low back pain, joint injuries, and repetitive strain injuries insomnia and anxiety

**Anatomy and Physiology**

I read it but didn't understand

**Anatomy and Physiology**

I am going with B

**Anatomy and Physiology**

What should the patient with recurrent urinary tract infections be instructed? A. Avoid eating undercooked meat. B. Prepare for a kidney transplant. C. Drink plenty of water. D. Expect treatment with kidney dialysis.

**introduction to catering**

which is the most important prerequisite for making your catering business successful

**psychology**

An experimenter wants to find out if drinking coffee makes people more alert. The amount of coffee a person drinks is the: A. hypothesis. B. dependent variable. C. independent variable. D. correlation coefficient.

**Trigonometry**

How do you evaluate: 3cos^2â - 3sin^2â ?

**math**

An item with a trade discount of 41% has a list price of $289.50. What is the net price?

**math**

b. What is the net price of the order?

**math**

On August 18, Sullivan Company received an invoice in the amount of $6,700, having terms of sale of 4/15 EOM. What is the discount date?

**math**

Ace Formalwear buys tuxedos from a supplier and has an invoice amount of $27,700. The terms of the sale are 3/20, n/30. If Ace sends a partial payment of $7,400 on the discount date, what is the net amount still due?

**math**

Diane's Pottery Shop orders china from a supplier for $240 including $30 freight charges. The terms of sale are 3/10, n/30 ROG. The china arrives on 11/21 and Diane wants to take advantage of the cash discount. As the bookkeeper for Diane's how much will you send the s...

**math**

Solve for the base, rounding answer to hundredths if necessary: 76 is .2% of ______.

**math**

What will be the total deduction for social security and Medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.

**math**

Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings?

**math**

Compute Mike's estimated tax payment for the fourth quarter. He is self-employed and he expects to earn $20,640 this year. His estimated income tax rate is 18%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare tax is 2.9% of all...

**math**

Jerry King is a server in a restaurant that pays a salary of $22 per day. He also averages tips of 18% of his total gross food orders. Last week he worked 6 days and had total food orders of $2,766.50. What was his total gross pay for the week?

**math**

Thomas Rendell's company pays him a straight 6% commission with a $1,350 drawing account each month. If his sales last month totaled $152,480, how much commission is owed to Thomas?

**math**

Pamela Mello is paid on an incremental commission schedule. She is paid 2.6% on the first $60,000 and 3.4% on any sales over $60,000. If her weekly sales volume was $89,400, what was her total commission?

**math**

Paul Curcio earns $8.25 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for the midnight shift. Last week Paul worked 58 hours, including 6 on the midnight shift. What are his gross earnings?

**math**

Jennifer Brunner works 40 hours per week as a chef's assistant. At the rate of $7.60 per hour, what are her gross weekly earnings?

**Careers**

What exactly is a translation career? I know it has something to do with learning many languages.

**chemistry **

A student stated that the solubility of KCl at 20 degrees Celsius was 36 grams of KCl per 100 grams of solution. What is wrong with this statement?

**chemistry **

A student stated that the solubility of KCL, at 20 degrees Celsius was 36 grams of KCL per 100 grams of solution. What is wrong with this statement?

**science**

Thank you for your help and time.

**science**

I'm instructed to wrtie a full lab raport for a lab I did a couple of months ago. My aim was to find the most efficient concentration of fertilizer to grow red lentils. I planned to do this by taking the average of the number of lentils sprouted each day for eight days and...

**Physics-motion**

A car accelerates uniformly from rest at a. After a certain time, its acceleration becomes -a. It continues to travel and stops finally. If the total displacement of the car is L, what is the total time of travel? The answer is (4L/a)^(1/2). But why??

**Math~**

The sum of two numbers 43 and their difference is 35.find the numbers.

**physics**

A small block of mass 42 kg slides along a frictionless loop-the-loop track. The radius of the loop is 5 meters. At what height above the bottom of the track should the block be released from so that it just makes it through the loop-the-loop without losing contact with the t...

**PHYSICS**

A frictionless horizontal air track has a spring at either end. The spring on the left has a spring constant of 1600 N/m; the one on the right has a spring constant of 1060 N/m. A glider with a mass of 2.9 kg is pressed against the left-hand spring, compressing it by 3.7 cm. ...

**statistics**

In a random sample of 100 customers, 62 returned with a month. For a 95% confidence interval on the proportion of customers who return for an oil change, the lower limit is:

**physics**

Ricky, the 5.8 kg snowboarding raccoon, is on his snowboard atop a frictionless ice-covered quarter-pipe with radius 9 meters. If he starts from rest at the top of the quarter-pipe, what is his speed at the bottom of the quarter-pipe? Use SI units in your answer. v_{Ricky} =

**physics**

A bartender slides a glass mug with a mass of 520 g along the top of a level bar. The coefficient of kinetic friction between the glass and the bar is 0.09. When the glass leaves the bartender's hand, it is moving, it is moving at a speed of 3.9 m/s. How far does the glas...

**chem**

How would you prepare 100 mL of a 0.01N sulfuric acid solution?

**English**

Were these right?

**physics**

Two forces, 1 = (3.85 − 2.85) N and 2 = (2.95 − 3.65) N, act on a particle of mass 2.10 kg that is initially at rest at coordinates (−2.30 m, −3.60 m). (a) What are the components of the particle's velocity at t = 11.8 s? = m/s (b) In what direction...

**English**

The poem “The Negro Speaks of Rivers” was written from what experience? a. Hughes’ move to New York. c. Hughes read about the experiences of slaves. b. A trip he made to a famous river. d. A trip he made to live with his father in Mexico City for a year.

**Math**

Adrian jogs 3/4 mile each morning. How many days will it take him to jog 3 miles?

**Anatomy and Physiology**

What causes the bicuspid valve to open and begin filling the left ventricle of the heart with blood? A. Left ventricular contraction B. Blood returning from the pulmonary vein C. Contraction of the right ventricle D. Deoxygenated blood returning from the upper body I got A

**Anatomy and Physiology**

A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an elevated eosinophil level. Which organism is most likely the cause of her illness? A. Bacteria B. Virus C. Fungus D. Parasite I got D

**Algebra 1 Answer Check (Reiny)**

Thank you.

**Algebra 1 Answer Check (Reiny)**

Factor each trinomial. 1. x^2 + 6x + 5 A: (x + 1)(x +5) 2. x^2 - 7x - 12 A: (x - 3)(x - 4) Solve each system by substitution. 3. 2x - y = 1; x - y = -2 A: (3, 5)

**Probability**

answer to 4) is (n-2)*(b^3+r^3+w^3)

**Probability**

Happy people on a blue team isn't b^2*(n*b-2), it is b^2*((n-2)*b). Regards.

**Probability**

what is c??

**travel**

a train travel 70 feet in 1/10 seconds at the same speed how many feet will it travel in 3 /12 seconds?

**Asking For Your Opinion:**

Well, there is the option of Spanish, but I personally don't like how the language sounds and its mechanics. But yes, Spanish would be more useful than French in the U.S.

**Asking For Your Opinion:**

Would French 1 be a good course to take in 9th grade?

**Algebra**

s

**Math **

Find the first four terms of the sequence represented by the expression. 3n + 5 A.5,8,11,14 B.8,11,14,17 C.3,6,9,12 D.0,8,11,14

**math**

11. A Certification Exam containing 20 true and false questions. If a student guesses at the answer to each question, what is the probability that she/he will get exactly 14 correct?

**Algebra Question**

When I'm factoring ax^2 + bx + c, is it fine to switch signs in the factoring answer? For example: Can (2x - 5)(3x + 5) become (2x + 5)(3x - 5)?

**English**

The old stone bridge across Rugen Bay is one of my favorite places to play. I toss pebbles for Mom, and a pebble for Dad, And a rock for horses and chickens we had. I watch as each of the stones makes rings like songs that each of memories sings. For my wife-for my dear and pr...

**English**

Season of mists and mellow fruitfulness! Close bosom-friend of the maturing sun; Conspiring with him how to load and bless With fruit the vines that round the hatch-eaves run; to bend with apples the moss'd cottage-trees, And fill all fruit with ripeness to the core; To sw...

**advanced algebra**

jiskha. com/display.cgi?id=1296190762

**advanced algebra**

mark has a certain number of dimes in his pocket. If the dimes were pennies, he would have $1.08 less than he has now. how many dimes does he have in his pocket?

**math**

Isaac made a mistake in his checkbook. He wrote a check for $8.98 to rent a video game but mistakenly recorded it in his checkbook as an $8.98 deposit. Represent each transaction with a rational number, and explain the difference between the transactions.

**Help me with this math ms sue.**

A B B C A C C A A C C C

**grammar**

what is a special noun

**math**

HELP heres a math problem ; give me a formula for it please;;; a carpenter has several boards of equal length. he cuts 3/5 of each board.after cutting the boards , he notices that he has enough pieces left over to make up the same length as 4 of the origional boards. how many ...

**research**

asked to research a famous or recent case of an offender (serial murder, murder, sex offender, etc.) and complete an assessment and develop a plan of action for treatment. So I assuming that I need to develop a plan for his mental disorder

**research**

I need to conduct an assessment and develop a plan of action for treatment on a famous serial murder or murder. I was thinking of Charles Manson. I am not sure where to start

**english**

The bee is not afraid of me, I know the butterfly; the pretty people in the woods Receive me cordially. The brooks laugh louder when I come, The breezes madder play. Wherefore, mine eyes, thy silver mists? Wherefore, O summer's day? 1. what makes this poem a lyric? a. It t...

**English**

We met by yonder cherry tree. I glanced at her she winked at me. I offered her a slice of pie. How could I know our love would die? After a bite, her watery eyes Gazed at me; she gave a cry And gagged; she turned and ran away. I have not seen her since that day. You see I like...

**Which sentence is a commonplace assertion?**

Which sentence is a commonplace assertion? A. We all know that Texans are mad about football, and the players usually get the attention. B.Known as the Allen Eagles Escadrille (French for "squadron"), Allen's band is considered the largest in the country-high sch...

**math**

find the simple interest on $1200 at 8% for six months?

**chemistry**

An Ideal solution is formed by mixing 0.26 mol of pentane (vapor pressure + 511 torr) with 0.34 mol of hexane (vapor pressure = 150 torr). What is the total vapor pressure of the ideal solution?

**math**

find sale price of an item if it originally costs $16.95, is on sale for 22% off and sales tax is 6.5%?

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