Saturday
December 10, 2016

Posts by Paige

Total # Posts: 394

Math-Probability
A multiple choice test has 10 items and each problem has four choices A, B, C, and D. How many different ways can the answer sheet be completed?
November 27, 2016

chemistry
Oxygen gas and aqueous benzoic acid react to form carbon dioxide gas and water gas. Determine the mass of water in grams if 5.43×104 milligrams of oxygen reacts with an excess of benzoic acid. I balanced the equation to 2C7H6O2+15O2=14CO2+6H2O
October 30, 2016

Math limits
Also: lim x → 0 (-x^2 + 4) / (x^2 - 1) I got -1, but the right answer is -4
October 23, 2016

Math limits
lim as x --> infinity ( 4x + (3 / x^2) ) My work: (4x^3 / x^2) + (3 / x^2) (4x^3 + 3) / x^2 degree of top > degree of bottom No horizontal asymptote, so the limit does not exist The correct answer is infinity. How?
October 23, 2016

Math
A pizza parlor has 13 different toppings available for its pizzas, and 2 of these toppings are pepperoni and anchovies. If a customer picks 2 toppings at random, find the probability that neither topping is anchovies.
October 18, 2016

Chemistry (equilibrium)
C2H6(g) <=> C2H2(g) + 2 H2(g) The ΔH° for the reaction above is +312 kJ. The system is initially at equilibrium. In which direction will the reaction shift in each of the following situations? e) The temperature is decreased. g) He is added at constant volume. h...
September 10, 2016

Pre-Calc College
Two 5-grain aspirin tablets contain 650 mg of the drug. With aspirins half-life of 29 minutes, how much is left in the bloodstream after 2 hours? How long does it take for the level to be equivalent to 10 mg of aspirin? If an individual takes two tablets every 4 hours, what is...
May 16, 2016

Pre-Calc College
Two 5-grain aspirin tablets contain 650 mg of the drug. With aspirin's half-life of 29 minutes, how much is left in the bloodstream after 2 hours? How long does it take for the level to be equivalent to 10 mg of aspirin? If an individual takes two tablets every 4 hours, ...
May 16, 2016

College Pre-Calc
a.)Determine the location of the turning points for the cubic y=x^3-3x^2+2x+10. What are the maximum and minimum values for this function? b.)Use the fact that a cubic is symmetric about its point of inflection to determine the location of the point of inflection of the cubic ...
May 14, 2016

Math
57 is the product of 3 and Helena's savings.
April 19, 2016

Algebra
what are the domain and range of th function y= 2√3x+4-5? Need HELP, ASAP Thanks
April 18, 2016

Algebra
what are the domain and range of th function y= 2√3x+4-5? Need HELP, ASAP Thanks
April 18, 2016

Algebra
Help... ASAP
April 15, 2016

Algebra
1.what kind of function best models the data in the table use differences and ratios. x y 0 5 1 7 2 9 3 11 4 13 2.write an equation to model the data table. x y 0 3 1 5.3 2 7.6 3 9.9 4 12.2 3.write an equation to model the data table. x y 0 1.4 1 4.2 2 12.6 3 37.8 4 113.4
April 15, 2016

Romeo and Juliet
oh mine was dropped...
April 15, 2016

Romeo and Juliet
is it a unit test?
April 15, 2016

Romeo and Juliet
oh ok cool! I can help you. what lesson is this test
April 15, 2016

Romeo and Juliet
April 15, 2016

Romeo and Juliet
are u OCA?
April 15, 2016

Algebra
1.what kind of function best models the data in the table use differences and ratios. x y 0 5 1 7 2 9 3 11 4 13 2.write an equation to model the data table. x y 0 3 1 5.3 2 7.6 3 9.9 4 12.2 3.write an equation to model the data table. x y 0 1.4 1 4.2 2 12.6 3 37.8 4 113.4
April 15, 2016

Algebra
Ok thank you!
April 15, 2016

Algebra
what kind of function best models the data in the table use differences and ratios. x y 0 4 1 5 2 8 3 13 4 20
April 15, 2016

Algebra
what is the value of c so that x^2+13x+c is a perfect square trinomial I need HELP ASAP!!!
April 15, 2016

Algebra
i'll explain: 1400/x=1000/(x+50)+3 1400(x+50)=1000x+3x2+150x 1400x+70000=3x2+1150x then, 3x2-250x-70000=0 (3x+350)(x-200)=0 x=200 or -350/3 Taking out the negative answer, we get the speed of plane A to be 200kph, and the speed of plane B to be 250kph
April 15, 2016

Algebra
Plane A speed = 200 mph Plane B speed = 250 mph
April 15, 2016

Algebra
23. what is the value of c so that x^2+13x+c is a perfect square trinomial I need HELP ASAP!!!
April 15, 2016

Science
Describe the flow of blood in the human body, including through each four chambers of the heart.Explain how the blood changes as it moves through various locations of the body
February 9, 2016

French
thankyou Ms.Sue
December 20, 2015

French
Do these directions in French make sense? Please correct any mistakes. Thankyou!! Recipe Dialogue Title- Poêle Fris Mexicain 1- Tu avez besoin : d'huile riz les oeufs fromage noir haricot 2- tomate l’oignon mexicain épices d’ail (optionnel)pigment ...
December 20, 2015

physics
ok. Thankyou. Apologize
December 20, 2015

Math
If \$3000 is invested at 6% p.a. compounding yearly, how long will it take to double the value?
November 14, 2015

Calculus
What is the maximum volume of a closed box with a square base which can be made by bending the material? The box is to have a surface area of 100in^2.
October 25, 2015

Algebra
A contractor leans a 13-foot ladder against a building. The distance from the ground to the top of the ladder is 7 feet more than the distance from the building to the base of the ladder. Find the distance from the building to the base of the ladder and the distance from the ...
September 21, 2015

Chem
Joe bought a 2.08 * 10^4 pound tractor trailer to transport his world famous birthday cakes around the country. How many tons was the tractor trailer?
September 18, 2015

Chem
Precision, Accuracy, and Percent Error: _______________________________________ Suppose a student measures the volume of an aluminum block three times and records the following data: 8.42 cm^3, 8.41 cm^3, and 8.40 cm^3. The accepted volume of the aluminum block is 11.5 cm^3. ...
September 18, 2015

Math
Thank you!!! That was a HUGE help!!!!!!
August 31, 2015

Math
The record for the Boston Marathon's wheelchair division is one hour 18 minutes and 27 seconds A) The Boston Marathon is 26.2 miles long what was the average speed of the record winner of the wheelchair division round to the nearest hundredth B) at this rate how long ...
August 31, 2015

Math dimensional anaylsis
To make a banner for a football game: 9 yard banner can be made in 3 hours. What is the rate of work in feet per minute?
August 18, 2015

mode in central tendency
The data set 3, 3, 3, 4, 4, 4, 5, 5, 5 is shown. Does this data set have a mode? why or why not?
May 12, 2015

Math
The data set 3, 3, 3, 4, 4, 4, 5, 5, 5 is shown. Does this data set have a mode? why or why not?
May 12, 2015

Maths
How to find an angle using measurements
April 5, 2015

Social Studies
March 6, 2015

Health
I think it would be B!!
March 6, 2015

math
75=m/3+10
February 24, 2015

chemistry
The specific heat of iron is 0.498 J/g °C. If 341 J of heat is added to 154.1 g of iron at 25.0 °C, what is the new temperature of the iron?
February 11, 2015

chemistry
A block of metal is 6.88 cm long, 2.03 cm wide, and 1.85 cm high. It has a mass of 215.1 grams. What is the density of this metal. I've tried adding all the cm up and squaring them, dividing them, multiplying but i can't get the answer
February 6, 2015

Physics
PHYS1111_HMWK02_Vectors_and_2DKinematics » Eddie the Eagle Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. After leaving the end of the ski ramp, he lands downhill at a point that is displaced 62.2 m horizontally from the edge of ...
February 2, 2015

Physics
A golfer, standing on a fairway, hits a shot to a green that is elevated 5.50 m above the point where she is standing. The ball leaves her club at an angle of 37.0° above the ground, with a speed of 31.1 m/s. Find the time that the ball is in the air before it hits the ...
February 2, 2015

Physics
Three vectors of lengths A = 45.6, B = 24.2, and C = 30.4. The angles are θa = 29.6° and θb = 57.5°, and C points along the negative y-axis. Determine the length of the vector A - C. Calculate the angle of this vector. Determine the length of the vector A - B...
February 1, 2015

Math
Hello! Can someone help me with this? Directions: Solve the equation sin^2x-sinx=2 Location on Unit Ciricle: Period: General Solution:
January 26, 2015

Math Homework Help
Hello! I'm having problems with these two math problems. I've tried to solve them but I got nowhere. If someone could please help me, that would great! Thanks again! :) Directions: Verify the identity for each problem. 1.) cot^2y(sec^2-y-1)=1 2.) cosx+sin xtan x=sec x
January 18, 2015

Physics
How fast would a 4.8 kg object slide down a frictionless incline of 10.3 degrees?
January 7, 2015

calculus
A rectangular fence has to be built from both wood and metal so that opposite parallel sides of the fence are made from the same type of material. The wood costs \$10 per foot and the metal costs \$20 per foot of the fence used. If you only have \$400 to spend on material, what ...
December 8, 2014

Physics
Starting from rest, a speedboat reaches a speed of 2.8 m/s in 2.7 s. What is the boat's speed after an additional 3.7 s has elapsed, assuming the boat's acceleration remains the same?
October 8, 2014

Phsics
A crate weighing 600. N is being pulled across the floor. You pull up and to the right on a rope which is attached to the crate. You exert a force of 155 N at an angle θ=29.0° above the horizontal.
September 15, 2014

algebra
One morning, Justin drove 5 hours before stopping to eat lunch at Pizza Hut. After lunch, he increased his speed by 10 mph. If he completed a 350-mile trip in 8 hours of driving time, how fast did he drive in the morning?
September 9, 2014

algebra
A garden hose can fill a swimming pool in 7 days, and a larger hose can fill the pool in 4 days. How long will it take to fill the pool if both hoses are used?
September 9, 2014

algebra
How many mL of a 60% acid solution must be mixed with a 20% acid solution to produce 200 mL of a 50% acid solution?
September 9, 2014

algebra
Adult tickets to a play cost \$2.25 each and student tickets cost \$1.75 each. Suppose there are twice as many student tickets sold as adult tickets. If the income from the play was \$1,150, how many of each type of ticket were sold?
September 9, 2014

Health question
May 8, 2014

physics
Which of the following statements about a system in resonance is true A.The energy of the system is always increasing. B.The greater the damping the larger the amplitude of the oscillations C.The driving force is always in the direction of the velocity. D.The frequency of the ...
April 16, 2014

physics
A small object is attached to the end of a horizontal spring at position x = 0. It is the pulled to position x = A and released. In one full cycle of its motion, the total distance traveled by the object is...
April 13, 2014

physics
A block is attached to a horizontal spring and set in simple harmonic motion, as shown in the figure. At what point in the motion is the speed of the block at its maximum? The position of the block when the spring is relaxed is marked by x = 0, and the extremes of the block\&#...
April 11, 2014

physics
An object-–spring system undergoes simple harmonic motion. If the mass of the object is doubled, what will happen to the period of the motion?
April 11, 2014

physics
A 0.527 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, and comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.07 mm, and is frictionless. Neither the plunger nor...
April 11, 2014

physics
Given that the small piston has a radius of 0.0330 meters^2 and the large piston has a radius of 4.00 meters^2. (a) What force will the large piston provide if the small piston is pushed down with a force of 17.0 N?. (b) If the small piston is slowly depressed a distance of y1...
April 10, 2014

physics
Bird bones have air pockets in them to reduce their weight–this also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 43.0 g and its apparent ...
April 10, 2014

physics
A 0.527 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, and comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.07 mm, and is frictionless. Neither the plunger nor...
April 10, 2014

physics
A 0.527 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, and comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.07 mm, and is frictionless. Neither the plunger nor...
April 10, 2014

science
a 1.0 kg metal head of a geology hammer strikes a solid rock with a speed of 3.9 m/s. assuming all the energy was retained by the hammer head, how much will its temperature increase?
April 8, 2014

I know it's a bit late. I could be wrong, but I'm fairly sure it's hydrogen bonding.
March 19, 2014

Accounting
I really need a lot of help learning how to understand and successfully fill out an income statement packet, ASAP please!!
March 19, 2014

I really need help learning how to understand & fill out an income statement packet, ASAP!
March 19, 2014

Global Studies
I got it!!! 1) C 2) D 3) C
March 13, 2014

Global Studies
Help!!! Everyone is putting difereent answers
March 13, 2014

I got a 100%....thanks so much!!!
March 12, 2014

S.S redo
THANK YOU SO MUCH!!! GOT A 100%
March 12, 2014

Global studies
No its not Jessica, I got a 1/3 bc I followed your answers
March 12, 2014

Sarah was wrong.. 1) A 2) 500% 3) A
March 10, 2014

statistics
a large shipment of computer chips, of which 5% are actually defective, a quality control manager decides to test chips until he finds the first defective. What is the probability that the manager finds the first defective chip on the first test? in Homework Help
March 7, 2014

Math
if you are given two points and the slope formula of m=(y1-y2)/(x1-x2), does it matter which point is (x1, y1) and which point is (x2, y2)?
February 26, 2014

English
When writing an essay make sure that you do not use the word I a lot so that your paper keeps the attention of your audience.
February 26, 2014

science --- pls check my work!!!
1~ A 2~ C 4~D I got 100%😏
February 8, 2014

HR LAW
Hannah Bing was hired by Friendly Cab Company. The employee handbook stated that employeees would only be terminated for good cause. Hannah was fired and replaced with her supervisor's neice. Hannot cannot file a wrongful discharge lawsuit against Friendly catering company...
February 6, 2014

math
Tanya has 4 red marbles, 7 blue marbles, and 8 green marbles. Which expression can be used to find the percent of Tanya's marbles that are blue?
January 29, 2014

math
a 7.8m object is represented in a picture as being 1.5cm. what is the scale factoré
January 8, 2014

science
November 22, 2013

chemistry
Is CO2 a product of an acid/base reaction?
November 12, 2013

math
Real world problem were you multiply 120and75
November 5, 2013

Math Explanation
6x6 tiles
October 30, 2013

math
Monday and Tuesday and Wednesday
September 25, 2013

Math
Multiply 1. (1.2z)(-4+2y) 2. (-2e - 3f +4)(-e) 3. (7v)(-7v-7x) 4. (-4x) (-7+3y) 5. (b)(-0.1a + 8b-0.7c) please help me, I have done these questions but im pretty sure my answers are wrong, so can someone do these or help me so i can understand how to do this, thanks :)
June 9, 2013

Math
Thank you so much :)
June 2, 2013

Math
Joe weighs 30 lbs less than twice ken's weight. If ken gains 10 pounds then together they would weigh 250 pounds. How much does each of them weigh? let x be ken's weight. my work: 2x - 30 = j x+ 10 + J = 250 and now im stuck, can someone show me how to find their ...
June 2, 2013

Math
im confused can you explain a little more cause i need a full equation and im really confused
June 1, 2013

Math
Joe weighs 30 lbs less than twice ken's weight. If ken gains 10 pounds then together they would weigh 250 pounds. How much does each of them weigh? let x be ken's weight. thanks
June 1, 2013

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