Friday

January 30, 2015

January 30, 2015

Total # Posts: 76,911

**Math**

Quadratic Graphs Can you please check if my values are correct? y=x^2-4x x= -4 so y= 0 x= -3 so y= -3 x= -2 so y= -4 x= -1 so y= -3 x= 0 so y= 0 x= 1 so y= -3 x= 2 so y= 14 Thank you
*November 17, 2014*

**Algebra**

Write the simplest polynomial function with zeros five and -4. K(x) = x^2 - x - 20?
*November 17, 2014*

**Maths**

Quadratic Graphs Can you please check if my values are correct? y=x^2-4x x= -4 so y= 0 x= -3 so y= -3 x= -2 so y= -4 x= -1 so y= -3 x= 0 so y= 0 x= 1 so y= -3 x= 2 so y= 14 Thank you
*November 17, 2014*

**English**

Or D
*November 17, 2014*

**Algebra Work Check**

Find the roots of x^4 - 16 = 0. √ x^4 = √ 16 x^2 = 4 √ x^2 = ± √ 4 2,-2
*November 17, 2014*

**Math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*November 17, 2014*

**Science**

Which of the following displays the correct order of structures urine passes through as it is processed by the urinary system? nephron, ureter, urinary bladder, urethra ureter, urinary bladder, nephron, urethra urinary bladder, urethra, nephron, ureter urethra, nephron, ureter...
*November 17, 2014*

**Maths**

Quadratic Graphs Y=x^2-7 These are my values can you please check X=-4 so y=9 X= -3 so y=2 X=-2 so y = -3 X= -1 so y=-6 X=1 so y=-6 X=2 so y=-3
*November 17, 2014*

**Pre-Calc/Trig**

nvm... i figured out how, you factor then solve :)
*November 17, 2014*

**Pre-Calc/Trig**

Go over this with me please, I forgot how to do it. Solve the polynomial equation. 15x^3-119x^2-10x+16=0
*November 17, 2014*

**Physics**

a backpack has a massof 8kg.it is lifted and given 54.9 joules of gravitstional potential energy. how high is it lifted? accelerationdue to gravity is g=98 m/s^2.
*November 17, 2014*

**american constitutional law**

The federal income tax was authorized in the Constitution by: A. Article III. B. The Preamble. C. the Second Amendment. D. the Sixteenth Amendment.
*November 17, 2014*

**Alegbra 2**

ergggg
*November 17, 2014*

**Science**

bobpursely, Y U so stupid?
*November 17, 2014*

**Science**

but what is the percentage
*November 17, 2014*

**Science**

In humans, the allele for brown eyes (B) is dominant to the allele for blue eyes (b). What is the probability that two heterozygous brown-eyed parents will have a child with blue eyes?
*November 17, 2014*

**math**

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.
*November 17, 2014*

**math**

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.
*November 17, 2014*

**trig**

From the top of a tower of height 75m, a man sees two goats, both due west of him. If the angles of depression of the two goats are 10 degrees and 17 degrees, calculate the distance between them. It wants the angle of depression. I , myself, don't understand the question ...
*November 17, 2014*

**Math**

A jewelry box is designed such that its length is twice its width and its depth is 2 inches less than its width. The volume of the box is 64 cubic inches. Use synthetic division to find the roots of the polynomial equation. Are the roots all rational numbers? Ans: Yes, the ...
*November 17, 2014*

**statistics**

you currently lease scanning equipment at a cost of 1,500 per quarter and two copy machines at $120 each per month. What will you need to budget annually for this leased equipment?
*November 16, 2014*

**statistics**

The forms used in your coding area cost $100.00 per 1,000 forms for the first 2,000 and $50 for every 1,000 thereafter. If you need to order 5,000 forms, what is the total cost?
*November 16, 2014*

**math**

A power station is on one side of a river that is 3/4 mile wide, and a factory is 8 miles downstream on the other side of the river. It costs $24 per foot to run power lines over land and $30 per foot to run them under water.(1 mile = 5280 feet) Write the total cost C to run ...
*November 16, 2014*

**Math**

These are just possible rational roots, not the actual ones. All I did was p/q.
*November 16, 2014*

**Math**

Find all possible rational roots using the rational root theorem. x^4 - 3x^2 + 12 = 0 Plus/minus 1, 2, 3, 4, 6, 12?
*November 16, 2014*

**math**

solve for x x+√(31-9x)=5
*November 16, 2014*

**math**

How do i find solutions to 20x^3-125x=0?
*November 16, 2014*

**MATH 101**

x^3-8=0 + +8 x^3=8 2^3=8 so one of the soulution is x=2
*November 16, 2014*

**math**

How do I solve x^2+2x+4>0 and what does the solution tell you?
*November 16, 2014*

**Math**

Find all possible rational roots using the rational root theorem. 3x^3 + 2x^2 - 1 = 0 plus/minus 1/3 and plus/minus 1?
*November 16, 2014*

**Geometry**

Write a proof for the following Given: line AC is congruent to line BD, line AD is congruent to BC Prove: triangle DAX is congruent to triangle CBX It's an isosceles trapezoid. From top left is labeled A. Top right labeled B. Bottom right labeled C. Bottom left labeled D. ...
*November 16, 2014*

**statistics**

The same supervisor in the scenario above agreed to increase the salary of the employee to $15.00 per hour once she passed her RHIT exam. three months after beginning her employment, the employee passed her RHIT exam, What will the new budget be for salary and fringe benefits?
*November 16, 2014*

**statistics**

The HIM coding supervisor agrees to pay a new graduate $13.50 per hour. This is a full-time coding position at 2,080 hours per year. The cost for a full-time employee's fringe benefits is 24 percent of the employees salary. How much must the supervisor budget for the ...
*November 16, 2014*

**math**

88.7502 89
*November 16, 2014*

**calculus**

1. A particle moves along the x-axis, it's position at timer given by x(t)=t/(1+t^2), t greater than or equal to 0,where t is measured in seconds and x in meters. a) find the velocity at time t. I am a little confused.. Do I find the derivative by using the quotient rule? ...
*November 16, 2014*

**Statistics**

It takes approximately 15 minutes to code one record, How many personnel hours would be needed to code 1,424 discharges for the month?
*November 16, 2014*

**statistics**

An employee currently earning $13.85 per hour has been awarded a 3.5 percent merit raise. what will the employee's hourly salary be with this increase?
*November 16, 2014*

**statistics**

After one month of operation, the health information services at Community Health Center determined that there were two records misfiled out of the 450 active records. What is the filing accuracy rate for this area?
*November 16, 2014*

**Statistics**

Community Health Center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on eight shelves per ...
*November 16, 2014*

**statistics**

if your HIM department has 100,000 active records and you received 5,352 requests for records within a six-month period, what is the request rate for the past six months?
*November 16, 2014*

**Math**

Surveyors with a highway planning crew measure a section of proposed roadway to be 4.4 km. They measure the angle of inclination over the 4.4 km to be 8.5 degrees. Determine the change in altitude for drivers travelling from one end to the other. Answer to the nearest whole ...
*November 16, 2014*

**math**

thanks for helping ms sue
*November 16, 2014*

**math**

Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 1400 took the cruise on Saturday and 1000 took the cruise on Sunday. The total receipts for Saturday were $18,400, and the total receipts for Sunday were...
*November 16, 2014*

**Chemistry**

prntscr(dot)com/575lta
*November 16, 2014*

**Chemistry**

Which bond in urea is most polar? (P.S. I tried C-O and N-C-O, but it's incorrect)
*November 16, 2014*

**Chemistry**

what does the Lewis Dot Structure of Sr(CN)2 look like?
*November 16, 2014*

**Chemistry**

Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the ...
*November 16, 2014*

**Math**

An equilateral triangle is inscribed in a circle. If the radius of the circle is 10 cm, calculate the length of a side of the triangle. Answer to nearest whole centimetre
*November 16, 2014*

**Calculus **

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
*November 16, 2014*

**math**

A cylindrical water tank has a diameter of 1.2 m and a height of 1.5 m.How many liters of water can it hold the nearest liter?
*November 16, 2014*

**Chemistry**

Thank you, i found out it's 30%, this question is really a trial and error.
*November 16, 2014*

**Chemistry**

I checked and it's actually not 25%
*November 16, 2014*

**Chemistry**

prntscr(dot)com/573c1n
*November 16, 2014*

**Chemistry**

Estimate the percent ionic character of the BrF bond using this graph:
*November 16, 2014*

**Math (calculus)**

Prof gave us this question to practice but I do not know how to solve it. If you know please provide step by step with the answer so I can understand it. Thank you very much :) Suppose a rocket is launched from the ground with 10 seconds worth of fuel. The rocket has an upward...
*November 16, 2014*

**Calculus I (PLEASE HELP!)**

These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the population grows ...
*November 16, 2014*

**Science**

How and why do theories change?
*November 16, 2014*

**physics**

You have a coil with 20 loops inside a magnetic field generator that is temporarily generating a field that has a rate of change of -0.25. The other end of this coil is wrapped around a core with 15 turns. How many turns must a second coil wrapped around the same coil have to ...
*November 16, 2014*

**Mathematics**

Arrange 6/8 ; 1/6 ; 3/3 in increasing order
*November 16, 2014*

**English**

How would you describe waiting at a school bus stop in third person? Also trying to use metaphors and personification.
*November 16, 2014*

**epidemiology**

A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the ...
*November 16, 2014*

**Physic**

M = 2.28kg r = 0.104m m = 0.712kg T = ? Torque = -Tr Tension = - Iα / r = -1/2M(ay) Fy: T - mg = may T = may + mg (m + M / 2)ay = -mg ay = - g / (1 + m / 2M) ay = -9.8 / [(1 + 0.712 / (2 * 2.28)] ay = -8.48m/s² T = M(g - a) T = 2.28kg(9.8m/s² - 8.48m/s²) T...
*November 15, 2014*

**Physic**

A 2.28 kg bucket is attached to a disk-shaped pulley of radius 0.104 m and mass 0.712 kg. If the bucket is allowed to fall, calculate the tension in the rope.
*November 15, 2014*

**English**

All of the following are common except a.emotion b.leader. c.tablets. d.Kindle I think it d
*November 15, 2014*

**Math**

A road rises 1m for every 15m measured along the road. a. What is the angle of inclination of the road to the nearest degree? b. How far does a car travel horizontally when it travels 15m along the road? Give the answer to the nearest tenth of a metre.
*November 15, 2014*

**Math**

If 3/8 of my money is 12.00 how much money do I have
*November 15, 2014*

**English**

All of the following are common except a.emotion b.leader. c.tablets. d.kindle I think it A
*November 15, 2014*

**English**

what metaphors or personification could i use to describe a busy bus stop? thank you
*November 15, 2014*

**Maths**

thank you
*November 15, 2014*

**Maths**

What does 'give your answer to the nearest whole number' mean? For example if my answer is 67.38. what would I put? Thank you
*November 15, 2014*

**psychology**

Last week, Roger suddenly quit his job. He told his family he had decided to learn carpentry. He purchased a truckload of wood and nails, which now sits in his driveway because he changed his mind and decided to enroll in a school for massage therapy. The school confirms that...
*November 15, 2014*

**maths**

A circular pond has radius r. The area of a pond whose radius is 6m more than r is 4 times the area of the first pond. The radius r of the first pond equals
*November 15, 2014*

**chemistry**

jhb
*November 15, 2014*

**economics**

A transport company purchased a truck for $40,000. The operating cost was $2,000 per month, with average revenues of $4,000 per month. The truck was sold for $16,000 after two years. The company's monthly rate of return was closest to: 3% 5% 7% 10%
*November 15, 2014*

**Business Law**

c.
*November 15, 2014*

**math**

find the value of the variable that would make the equation true.. 1.) 5x = 15 2.) -3x = 21 3.) 9x = -27 4.) -7x = -12 5.) 2/3 x = 8
*November 14, 2014*

**chemistry**

Assuming 100% dissociation, calculate the freezing point and boiling point of 0.700 mol of AgNO3 in 1.00 kg of water.
*November 14, 2014*

**grammar**

he (drink, drank, drunk) all the ice tea.
*November 14, 2014*

**algebra**

A contestant on a game show must guess the price of a new car. The contestant will win if his guess is within $1000 of the price of the car. If the price of the car is $24,995 and the contestant's guess is represented by g, what absolute value inequality represents this ...
*November 14, 2014*

**French**

Thanks! Also, there's this one: Je suis en quatrième.
*November 14, 2014*

**French**

Please check this sentence: Un sport la fille n'aime pas est nager.
*November 14, 2014*

**SS**

What are some examples of economic activities that may not be present in a peninsula?
*November 14, 2014*

**Pre-Calc/Trig**

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x
*November 14, 2014*

**Pre-Calc/Trig**

Thank you.
*November 14, 2014*

**Pre-Calc/Trig**

What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3
*November 14, 2014*

**English**

How about... Europe's forests give opportunity for economic activities such as tourism and timber, and have negative environmental consequences, but the housing industry is primarily affected positively.
*November 14, 2014*

**English**

Is this a good thesis statement? Europe's forests affect economic activity and the housing industry.
*November 14, 2014*

**math**

Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?
*November 14, 2014*

**PHYSICS**

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction between the ladder ...
*November 14, 2014*

**Physics**

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction between the ladder ...
*November 14, 2014*

**statistics**

Suppose a restaurant in town serves three fixed price dinners costing $12, $15, and $20. For a randomly selected couple ( Penny = X and Leonard= Y), the joint probability table for their selections is given below. Y p(x,y) 12 15 20 12 .05 .05 .10 15 .05 .10 .35 20 0 .20 .10 a...
*November 14, 2014*

**Physics**

A 1180 kg car rounds a circular turn of radius 19.1 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.67, how fast can the car go without skidding? m/s
*November 14, 2014*

**Physics**

Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.2 m long. His speed at the bottom of the swing is 7.2 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that Tarzan can have ...
*November 14, 2014*

**lit**

8 9 11 9 10 is this right
*November 14, 2014*

**math**

Dan is making 4 batches of chicken soup. Each batch of soup uses 2/3 cup of rice. How many cups of rice does he need. Is the answer 2 2/3 cups
*November 14, 2014*

**math**

Louis earned 256 helping his mother paint a house. He spent 11/16 of it on a computer program how much did louis spend on the program. Is the annswer 176 on program
*November 14, 2014*

**physics**

a 6.3 kg watermelon is placed at one end of a 7.6 m, 201 n scaffolding supported by two cables. one supporting cable is at the opposite end of the scaffolding, and the other is 1.1 m from the watermelon
*November 14, 2014*

**8th grade English; Trouble with Television**

a b c a b
*November 13, 2014*

**writing**

Any improvements that I can make to this sentence to make it sound better ? I believe a reconciliation is possible once both sides admit that they cannot function properly without the other.
*November 13, 2014*

**Math**

How to determine your final height
*November 13, 2014*

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