Sunday
July 31, 2016

Posts by ari

Total # Posts: 130

math
In a country, 15 out of 100 residence had no auto insurance. The population in that country at that time is 240 million. How many residence of that country had no auto insurance? thanks :))
July 28, 2016

math
A motor travels 20 km/hr faster than the bicycle. If the motor travels 240 km, while the bicycle travels 180 km at the same time. Find the speed of the motor and the speed of the bicycle. thanks :))
July 28, 2016

pre cal
thank you!
July 19, 2016

pre cal
Find a formula for the inverse of the function. f(x)=1−(2/x^3) and f(x)=sqrt(x^2+7x)
July 19, 2016

pre cal
ok got it thx!
July 19, 2016

pre cal
for the first i got (?,21) for the second (?,-41) im stuck
July 19, 2016

pre cal
The graph of y=v(x) contains the point (−12,−8). What point must be on the graph of each of the functions below? Enter points as (a,b) including the parentheses. The graph of y=−(v(1/4(x+13))−13) must contain the point (?,?) The graph of y=4v(−3x...
July 19, 2016

pre cal
nvm got it lol
July 17, 2016

pre cal
The domain of y=g(x) is −1≤x≤11 and the range is −13≤y≤16. Give both the domain and range of the following two functions as inequalities. (a) y=g(12x) (b) y= 3g(x)
July 17, 2016

math
What is the volume of a balikbayan box with a length of 21√5 inches, width of 12√3 inches and a height of a 25√3 inches? Thank youu!!
July 14, 2016

pre cal
A toy rocket is launched straight up from the roof of a garage with an initial velocity of 56 feet per second. The height h of the rocket in feet, at t seconds after it was launched, is described by h(t)=−16t2+56t+17. Find the maximum height of the rocket.
July 12, 2016

pre cal
Suppose you inscribe a square in a circle of radius r. Thus all four corners of the square lie on the circle. The area of that square is ?
July 12, 2016

pre cal
Suppose the speed of sound is c, and gravity is g. If you throw a rock from an initial height h0 and with an initial velocity v0 the height h(t) of the rock after time t is h(t)=−g/2 t^2+v0 t+ h0. (The height is negative when the rock is below ground level. Thus you can ...
July 11, 2016

pre cal
Write a quadratic function that has roots of 41 and P.
July 11, 2016

pre cal
1/(x-1)- x/(x+1)-2=0
July 11, 2016

pre cal
(x/x-1)-(x/x+1) -2=0
July 11, 2016

pre cal
quadratic equation 2x^4-5x^2+2=0
July 11, 2016

pre cal
Ty! :)
July 11, 2016

pre cal
2x−5√x+2=0 quadratic equations
July 11, 2016

pre cal
6x^2−4x+ ?=6(x− ?)^2.
July 7, 2016

pre cal
x^2+bx+ ?=(x+ ? )^2.
July 7, 2016

pre cal
This is like the preceding problem, except that your answers may be negative x^2+7/3x+ =(x+ )^2. x^2−5/7x+ =(x+ )^2. x^2+2/3x+ =(x+ )^2.
July 7, 2016

pre cal
This is like the preceding problems except that your answer is an algebraic expression. x2+2sx+ =(x+ )2.
July 6, 2016

pre cal
Use factoring to solve the polynomial equation: HINT: Try multiplying each side of the equation by a number to eliminate the denominators. x2/162 + X/18 + 1/9 =0
July 6, 2016

pre cal
yes correct thank you so much!!!!
July 6, 2016

pre cal
incorrect
July 6, 2016

pre cal
A cash register contains only ten dollar and tenty dollar bills. It contains three times as many ten dollar bills as twenty dollar bills and the total amount of money in the cash register is $1,950. How many ten dollar bills are in the cash register?
July 6, 2016

Math
1. You want to carpet a square room with an area of 350 square meters. You have a carpet that measures 5√14 by 3√14 meters. What is the length of the carpet to be added in able to fulfill the room? Thank You!!
July 6, 2016

Art
I think it's A
March 31, 2016

language arts
@Ms. Sue DUH!!!!! SHE WANTS THE ANSWWER
March 16, 2016

Geometry
S=4πr2
March 10, 2016

Psychology
It was A. Thank you for answering :) I was just over thinking it.
January 30, 2016

Psychology
meant C I know it isn't D *stops posting*
January 30, 2016

Psychology
or could it also be D? I think I might be overthinking this one lol
January 30, 2016

Psychology
Individuals who use problem-focused coping will deal with a problem or stressor by: A. making changes in their behavior. B. accepting support through sympathy. C. changing their point of view concerning the stressor. D. attempting to manage their emotions. was going to choose ...
January 30, 2016

math, PLEASE HELP!
He is correct.^
October 15, 2015

physics
An astronaut on a strange planet nds that she can jump a maximum horizontal distance of 30 m if her initial speed is 9 m/s. What is the acceleration of gravity on the planet? θ=45° because maximum distance R=(Vi²/g)(sin2θ) g=2.7m/s² correct?
October 1, 2015

physics
A net horizontal force F =A +Bt^3 acts on a 2kg object, where A = 5N and B = 2N/s3. What is the horizontal velocity of this object 4.0 seconds after it starts from rest? F=ma=5+2t^3 a=2.5+t^3 V=2.5t+(1/4)(t^3) therefore, at t=4, V=74m/s Is this correct?
October 1, 2015

physics
2,940 Pa
September 20, 2015

math
integrate x(xsin(x)dx from 0 to pi
September 17, 2015

math
Thank you!
September 7, 2015

math
Thank you
September 7, 2015

math
33 1/3
September 7, 2015

math
I know the answer I just don't get why that's the answer
September 7, 2015

math
I just need the percentage please and thank you
September 7, 2015

math
I just need the answer
September 7, 2015

math
I don`t get it
September 7, 2015

physics
When a car screeches to a sudden stop to avoid hitting a dog, it slows down from 9.00 m/s to 0.00 m/s in 1.50 s. Find the average acceleration of the car?
July 22, 2015

math please help
In a triangle, the lengths of the sides are 3,7,and 8. If the perimeter of a similar triangle is 54, what is the length of the longest side of the larger triangle? *Im not sure on how to begin solving*
February 19, 2015

Math
Nine friends share pumpkin pies equally. What fraction of a pumpkin pie does each friend get ?
February 18, 2015

Math
Val walks 2 3/5 miles each day. Bill runs 10 miles once every 4 days. In 4 days, who covers the greater distance?
February 2, 2015

Math
Write a numerical expression that represents the sum of 9 squared and 35
November 11, 2014

Math
What is half of 850
September 27, 2014

Algebra1
[(40+5)-3^2]➗9•2 = 8•6,,43,,8,,or 2❓
September 4, 2014

English
Which one of the following sentences includes a possessive pronoun? A. She will never agree to that. B. She stood up for people's rights. C. He is a mighty opponent. D. Its paws were caked in mud
April 10, 2014

math
what is the prime factorization of 13?
October 2, 2013

physics
A rocket blasts off. In 10.0 seconds it is at 10,000 ft, traveling at 3600 mph. Assuming the direction is up, calculate the acceleration. (Hint: the rocket is not under constant acceleration).
September 9, 2013

business
Have anyone checked to see if these answers are correct?
June 29, 2013

Statistics
Suppose the variable x is the number of minutes walked each week and the variable y is the blood cholesterol level given by the following table: x y 31 290 60 278 90 259 120 238 150 219 Using the regression equation, predict cholesterol levels when walking is 175 minutes per ...
May 24, 2013

Chemistry
So we're doing oxidation-reduction reactions and batteries and voltages. We did a lab where we would take two metals, put it in a mixture (bleach/water/vinegar/salt) and used a voltmeter to see the DC voltage. Now we're supposed to 'calculate the potential ...
May 5, 2013

Algebra
Mr. Rodney's English class is made up of 28 students. He has 6 ESL students, 10 remedial students, and 5 advanced learners. ESL students make up 1/5 of the remedial students and 3/5 of the advanced learners. 1. What is the probability that a student is ESL and remedial? 2...
February 24, 2013

Science
Alright, I had thought that but it seemed a little weird :x thank you!
January 14, 2013

Science
Chemistry! So a metal is found to absorb 1000 calories as it is heated from 40.0C to 60.0C. How much heat would the same sample absorb if it were heated from 60.0C to 80.0C? I know I'm supposed to use the equation Q=s x m x delta t (or soemthing) Q= energy absorbed s= ...
January 14, 2013

physics
A 83-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.2 m/s in 0.76 s. The elevator travels with this constant speed for 5.0 s, undergoes a uniform negative acceleration for 1.8 s, and then comes to rest...
October 23, 2012

statistics
Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a 95% confidence level is 1.96 Find the test ...
October 14, 2012

statistics
1) A group of scientists created 150 trials to measure whether electric shock treatment could cure paranoid delusions. Of these trials, 52 were successful. Find the margin of error E that corresponds to a 95% confidence level. The critical value for 95% confidence level is 1....
October 14, 2012

math
A circular lake is 30 miles across at its widest point. What is the area of the lake in acres? Round your answer to the nearest tenth of an acre.
October 8, 2012

math
the product of 3 whole numbers equals 8 and their sum equals 7
September 24, 2012

math
Does (-4a)^2 = 16a^2 or -4a^2 ???
September 3, 2012

Math
How would you simplify the cubed root of 54x^17 ??
August 23, 2012

geometry
The following are angles in a convex quadrilateral: Angle A = 75.3 degrees Angle B = 114.8 degree Angle C = 65.9 degrees What is the measure of the missing angle?
June 4, 2012

Algebra; MAJOR HELP
Solve the equation. Provide an explanation please. s^2-7s+14=2
February 26, 2012

chem
I just need to know the net ionic equation and balance them. I figured the equation. but the net and balance is harder. Co(NO3)2 (aq) + NaOH (aq) = CoOH (s) + Na(NO3)2 (aq) Co(NO3)2 (aq) + Na2CO3 (aq) = CoCO3 (s) + Na2(NO3)2 (aq) Co(NO3)2 (aq) + Na3PO4 (aq) = CoPO4 (s) + Na3(...
February 18, 2012

chemistry help please
Given the following data: MnO(s) + H2(g) Mn(s) + H2O(l), H = 100 kJ MnO2(s) + 2 H2(g) Mn(s) + 2 H2O(l), H = –52 kJ use Hess's law to calculate the heat of the reaction MnO2(s) + H2(g) MnO(s) + H2O(l)
January 11, 2012

Levy
Given the following data: MnO(s) + H2(g) Mn(s) + H2O(l), H = 100 kJ MnO2(s) + 2 H2(g) Mn(s) + 2 H2O(l), H = –52 kJ use Hess's law to calculate the heat of the reaction MnO2(s) + H2(g) MnO(s) + H2O(l)
January 11, 2012

Applied College Msthematics
jennifer stemberg borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was $ 2,700, how much did jennifer borrow?
January 4, 2012

PSYCHOLOGY HELP PLEASE!!
There was nothing to cause the "attack", it came out of no where which is what makes me think it was a panic disorder aka panic attack
December 6, 2011

physics
A rotating uniform cylindrical platform of mass 240 kg and radius 5.7 m slows down from 3.9 rev/s to rest in 16 s when the driving motor is disconnected.
November 18, 2011

physics
A car starts from rest and travels for 7.8 s with a uniform acceleration of 3.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.1 m/s2. If the brakes are applied for 2.8 s, how fast is the car going at the end of the braking period? Answer ...
October 30, 2011

physics
The speed of light in clear plastic is 1.866 ×10^8 m/s. A ray of light enters the plastic at an angle of 29.3 degrees. At what angle is the ray refracted?
September 26, 2011

math
i need to draw a fraction strip showing that the two fractions 2/5 and 6/15 are equivalent. i forgot how to do this
September 26, 2011

maths
3)a=-12 d=3 t(5)=a+(n-1)d =-12+(5-1)3 =0 s(50)=3625 hope it would be a help. :)
September 25, 2011

HCS341
ok thank you now i understand thanks, and to answer your "case scenario" no the teacher couldn't afford it because if the kid messed it up that would be wasting money and he had to make sure that everyone knew EXACTLY what they were doing ! thanks! :)
April 3, 2011

HCS341
that they wouldnt know what they are doing and instead of helping they be doing the opposite , i undertand that part and i need a 700 word paper and i got 350 but i dont understand what they mean by the descriptiopn of the process... is that like what needs to be done before ...
April 3, 2011

HCS341
can someone explainwhy training and education are vital in health care and the importance of measuring competencies an is there a Description of the process for tracking and evaluating training effectiveness ? thanks
April 3, 2011

Hcs341
Explanation of why training and education are vital in health care Explanation of the importance of measuring competencies Description of the process for tracking and evaluating training effectiveness
April 3, 2011

math
Work out area and diameter and volume if circumference is 16cm and height 2cm
March 25, 2011

geometry
no picture is posted
March 4, 2011

Chemistry
For Mn3+, write an equation that shows how the cation acts as an acid.
February 12, 2011

Chemistry
what is the pH of 0.316 M KC6H5O? what is the pH of 0.245 M CH3NH3I?
February 12, 2011

Chem Honors
at what temperature will nitrogen gas have a density of 1.13 grams/meters at a pressure of 1.09 ATM
February 11, 2011

spanish
Los fines de semana yo hago mi tarea y estudio. Yo siembre trabajo los fines de semana. cuando yo trabajo en las mananas,paso tiempo con mis amigos por la noche. yo juego cuando no estoy trabajando o estudiando yo voy al cine. Hay muchas cosas a mi me gusta hacer en mi tiempo ...
December 7, 2010

Chemistry
Write a balanced redox reaction between mercury and bromine to form Hg2^2+.
December 6, 2010

Chemistry
Write a nuclear equation for the most likely mode of decay for each of the following unstable nuclides: Kr-74, Th-221, Br-85, Ar-33
December 4, 2010

Science
How is an oxide ion formed?
December 3, 2010

Biology
Give an example of a tandem cluster and describe which protein it will produce.
December 1, 2010

Word within the Word Analogy Help
Actually no, both are not d. contrapuntal means composing of two or more relatively different melodies, and polyphony means different sounds. Choice A, contradictory means opposite sounds and disruption means division. So choice A is the correct answer, NOT Choice D. For the ...
November 1, 2010

Chemistry
Which gas will be made when Mg, Al, or S reacts with HCl?
October 31, 2010

US History
My bad
October 27, 2010

Chemistry
20.5 mL of oxalic acid,H2C2O4 were titrated with 0.800 M solution of lithium hydroxide. It took 40.0 mL of the base to reach the equivalence point. What is the molarity of the oxalic acid?
October 11, 2010

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