Tuesday
July 26, 2016

Posts by tony

Total # Posts: 913

precalc
Letf(x)=2x2 –5 and g(x)=x+4. (a) Find the composite function ( f o g)(x) and simplify. Show work. (b)Find (f og)(3).Showwork.
July 7, 2016

precalc
Suppose that cos θ = 12/13 and that θ is a Quadrant IV angle. (a) Find the exact value of sin θ. Show work. (b) Find the exact value of sin 2θ. Show work.
July 7, 2016

precalc
A projectile is launched from a platform 10 feet high with an initial velocity of 72 feet per second, The height h of the projectile at t seconds after launch is given by h = –16t2 + 72t + 10 feet.
July 7, 2016

maths
the sum of a number and its square is one and a half times their difference. what is the number?
June 7, 2016

Math
Thank you
June 1, 2016

Math
How do I work out this problem 8 3/4 + 2 1/2 please help me.
June 1, 2016

Matt
The area of a curved surface of a d battery with a diameters of 3.2 centimeters and a height of 5.6 centimeters h
May 26, 2016

Calculus (Integration proving)
Show that 0 <= [(integral)(integral, r to none)sin(pi)xcos(pi)y dA] <= 1/32 where R = [0,1/4]x[1/4]x[1,2]. Thank you.
May 20, 2016

algebra
The sum of 3 numbers is 24. Twice the smallest number is 2 less than the largest number and the largest number is equal to the sum of the other two. what are the three numbers?
April 28, 2016

life orientation
identity you 3 human rights violation
April 17, 2016

Chem
How many grams of oxygen are there exactly in 100.0 g of carbon dioxide?
April 5, 2016

Mathematics
A curve is defined parametrically x = 1 - √3 sin(2s) y = cos(2s-1) What is the gradient at s=(pi/6)
March 2, 2016

Mathematics
Parametric Equations x = 9s^2 - 1 y = 1 - 8s^3 Find the cartesian equation?
March 2, 2016

Math
Parametric Equations x = 9s^2 - 1 y = 1 - 8s^3 find dy/dx in terms of s find the coordinates of stationary points
February 28, 2016

Mathematics
Parametric Equations x = 9s^2 - 1 y = 1 - 8s^3 find dy/dx in terms of s find the coordinates of stationary points
February 28, 2016

Math
A blimp flies at 60mph. A round trip of 40miles into the wind and 40 miles with the wind takes 90 minutes. What is the speed of the wind?
February 16, 2016

Calculus
An object moves from left to right along a parabolic shaped path y=(1/4)x^2. At the point (-2,1) the speed is 1. What normal acceleration is the object experiencing at that point?
February 16, 2016

physics
A 82 kg runner with a speed of 5.6 m/s makes a sharp turn with a radius of 1.1 m to avoid a collision. What is the magnitude of the frictional force (in N) the ground exerts on the runner during the turn?
February 10, 2016

physics
A spring is stretched by 8 cm when a force of 2 N is applied. If a force of 5.8 N is applied, how many additional cm does the spring stretch? would it be 8/2 =4*5.8= 23.2
February 10, 2016

math
7 kids and 2 adults are going to the circus. Kid's tickets are on sale for only half the price of adult tickets. The total cost is $70. How much is one kids ticket? How much is one adult ticket?
February 10, 2016

Physics
Calculate the speed with which a swimmer enters water if she slides down a frictionless ramp that is 2.6 m high
February 8, 2016

Is444
A newspaper carrier has $5.30 in change. He has ten more quarters than dimes but two times as many nickles as quarters. How many coins of each type does he has?
February 6, 2016

farm disease
explain the mechanisms as test involved in vaccinating birds against a named disease with special infacises on immunity build up
February 4, 2016

farm disease
illustrating with two named disease, describe their clinical signs and give confirmative diagnoses of each using pathognomic signs
February 4, 2016

genetics
a man with blue eye married a girl with broun eye and the mother of the girl has blue eye. What is the probability that their children will have blue eye
February 4, 2016

Language
I mean A
January 22, 2016

Maths
The 7th term of an a.p is 11 and the nth term is 3. Find the first five term
January 19, 2016

Physical Education
^you are corrrect
December 7, 2015

Science.
Because it was part of the three other time periods that basically came together.
December 2, 2015

Mathematics
Solve tan2x = 5sin2x Giving all solutions in the interval 0 ≤ x ≤ 180°
November 18, 2015

physics
ChangePE + changeKE = 0. the change in potential energy of electron is = dPE = qdV = (-e)dV. The change in kinetic energy of electron is = 1/2mV^2 - 0 = 1/2mV^2. put these together and get. (-e)dV + 1/2mV^2 = 0. 1/2mV^2 = (e)dV. mV^2 = 2(e)dV. V^2 = 2edV/m. Insert the figures ...
October 25, 2015

Biology
How much sterile saline would you have to add to add to 0.25 mL of a serum sample in order to prepare 1/50 dilution of the serum?
October 20, 2015

English
According to An Inconvenient Truth, what is the role of infrared radiation in global warming?
September 22, 2015

hudson ntsan'wisi
assess the extent to which bad road use has a direct impact on the physical,emotional, social and economic aspects to the family,the community and the country.
August 27, 2015

Psychology
Dissociation and selective attention are two possible explanations for the phenomenon of
August 8, 2015

math
85600
August 5, 2015

Algebra 2
Thank you so much, that was very helpful:)
July 23, 2015

Algebra 2
Hey, I just have two questions, Thanks. 1. Find the exact solutions of x² - (y - 6)² = 36 and y = -x² 2. Solve the system,4x² + y² = 20 and y = 4x.
July 23, 2015

Geog
Would someone please help me with this? Or at least tell me the formula I should be using? I've been trying to get help with this for four days now. I'm VERY frustrated. Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain. The initial ...
July 9, 2015

math
What is the volume of a regular pyramid having a base area of 24 square inches and height of 6 in
June 29, 2015

grammar
Which is the correct answer? I think it is A, but would like a second opinion. It was not _____ who left the door unlocked this morning. A. I B. me C. myself
June 24, 2015

grammar
Which one has the correct pronoun? The team of reporters stunned their audience when the results of the election were revealed. The team of reporters stunned its audience when the results of the election were revealed.
June 24, 2015

chemistry
1. Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this test. You also may use the formulas on pages 238 243. A student increases the temperature of a 556 cm3 balloon from 278 K to 308 K. Assuming constant pressure...
June 15, 2015

math
Question 5.5. Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it take the object to hit the ground? (Points : 1) 1 second 2 seconds 3 seconds 4 seconds i think its 4 sec
June 11, 2015

math
Question 5.5. Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it take the object to hit the ground? (Points : 1) 1 second 2 seconds 3 seconds 4 seconds
June 11, 2015

math
Question 2.2. The height of a triangle is 5 m less than its base. The area of the triangle is 42 m2. Find the length of the base. (Points : 1) 12 m 11 m 8 m 7 m i think it's 12m
June 11, 2015

english
a, it think i figured it out
June 11, 2015

english
Question 28.28. Identify the sentence that is not punctuated correctly. (Points : 5) "Why did he call you “Bug” just then? Is that your nickname?" she asked. "Wait," she called, "I've still got to find a copy of the poem ‘Fire and ...
June 11, 2015

Algebra
I'm trying ti find the correlation coefficient for the following: The scores of 10 students on their midterm exam (x) and on their final (y) yielded the following data. Σx = 638 Σx2 = 43,572 Σy = 690 Σy2 = 49,014 Σxy = 44,636 Is the answer 0.547? ...
June 3, 2015

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?
May 20, 2015

anatomy and physiology
1)Provide the name and chemical symbol of 4 chemical elements you find in the human body. Select 1 of the 4 chemical elements, make the drawing of the atom and label the nucleus, protons, neutrons and electrons. 2)Make a drawing showing the molecular structure (it represents/...
May 17, 2015

Chemistry
a gas occupies 2 m3 at 100k and exerts a pressure of 100kpa. What volume will the gas occupy if the temperature is increased to 400.0k and the pressure is increased to 200.0kPa?
May 4, 2015

Introduction to business
2. Ida works on creating ways to ensure that customers receive goods at the right time and correct location. Ida is involved in her firm's ________ strategy. A. pricing B. transportation C. product D. promotion 3. Mario is part of a strategic planning team. He has ...
May 1, 2015

Introduction to business
1. In which stage of the product life cycle are profits at their highest? A. Introductory stage B. Decline stage C. Maturity stage D. Growth stage
May 1, 2015

math
What is the root of 345 without the use of tables?
April 21, 2015

physics
I can answer your question satisfactorily. I can help you with your assignments. Kindly email me midborn71 at g mail dot com for any assistance you may want. Thanks
April 21, 2015

Physics
The university skydiving club has asked you to plan a stunt for an air show. In this stunt, two skydivers will step out of opposite sides of a stationary hot air balloon 2,500m above the ground. the second skydiver will leave the ballon 20 seconds after the first skydiver but ...
April 5, 2015

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 ...
April 1, 2015

math
The apocalypse started in NY where 100 people were infected. From there the zombie apocalypse continued to spread. After 17 minutes the number of people infected 200 people.assume that no human have figured out how to kill the zombie or stop it from spreading for the first 24 ...
March 15, 2015

math
If you buy two DVDs for $8 each and one poster for for $6 and there was a 40% store discount what was the sales price of the purchase How do I get started I am confused???
March 3, 2015

biology
Is it 1:keeping the amount of DNA in the cell at a minimum level?
March 1, 2015

biology
Hello, I got this question wrong on a homework assignment and I still can't find the correct answer. The reduction of the chromosome number during meiosis is most important for: 1: keeping the amount of DNA in the cell at a minimum level. 2: allowing the growth of the cell...
March 1, 2015

Chemistry
Thank you Dr Bob
February 27, 2015

Chemistry
True of False, Amorphous solids have crystal structures.
February 27, 2015

math
compare 2 fractions with different numerators and denominators
February 8, 2015

Spanish 1
Oops just noticed now I made an error where "el fiesta" is written twice :/
February 7, 2015

Spanish 1
Please excuse me for this, I know it's not well done but please look it over. Thanks Hola Amigo, Tú son invitado a una dia fiesta Valentines. En mi casa el 14 de Feburero. El fiesta empezie en desayuo y terminars en cena. Llevar los pijamas a el fiesta a el fiesta...
February 7, 2015

English
How about, "The disgusting meals of Hard Luck Airlines convinced us to return by ship."
February 7, 2015

algebra
Annie is two years more than three times as old as her son, Jared. If the difference between their ages is 26, how old are Annie and Jared?
January 13, 2015

Spanish 1
Wow okay, thanks ill have to look it over closely and change it.
January 10, 2015

Spanish 1
Thanks
January 10, 2015

Spanish 1
El Taco Barato Restaurante es un lugar en centro. Mis amigos y yo comimos allí la semana posada. La comida Fue muy barata. Los camareros no deseó trabajar. Pedí un plato especial, el taco pescado. Fue cinco dólares, y uinió con un refresco. ...
January 10, 2015

MATH
Julia and Kevin are playing games at the arcade. Julia started with $15, and the machine she is playing costs $0.75 per game. Kevin started with $13, and his machine costs $0.50 per game. After how many games will these two kids have the same amount of money remaining? Set up ...
January 8, 2015

PHYSICS
An automobile accident investigator needs to determine the initial westerly velocity of jeep (m=1720 kg) that may have been speeding before colliding head-on with a Volkswagen (m=1510 kg) that was moving with a velocity of 75.7 km/h east. The speed limit on this road is 90 km/...
December 27, 2014

Spanish 1
Okay ill have to change that, thank you for looking that over.
December 19, 2014

Spanish 1
Thank you :)
December 19, 2014

Spanish 1
¡Hola Josefina! Tengo que hacer unos quehacers. Tengo que cortar el césped afuera, lavar la ropa en el lavadoro, y cocinar en la cocina. Mi madre me quiere sacudir los muebles en la oficina y hacer la cama también. Mi madre dice que tengo que trabajar, o no...
December 19, 2014

Math
Two health insurance plans are offered to employees of a company. Plan 1 has a $400 deductible and then pays 65% of the rest of the cost versus plan 2 that has a $1000 deductible and then pays 75% of the rest of the cost. What would annual medical costs have to be for plan 2 ...
December 18, 2014

Chemistry Honors
What mass of calcium bromide is needed to prepare 150.0 mL of a 3.50 M solution? (Assume that the molecular weight of CaBr2 is 200.618 g/mol) A. 105 g B. 100.42 g C. 0.105 g D. 103.35 g
December 16, 2014

Chemistry Honors
What volume of a 0.50 M MgSO4 solution will be needed to prepare 100.0 mL of a 0.20 M MgSO4 solution? A.250 mL B.100 mL C.0.250 mL D.40.0 mL
December 16, 2014

Chemistry Honors
If water, a polar molecule, is combined with another polar molecule, what can be said about the substance added to the water? A. The solubility can not be determined by only knowing the polarity. B.It is soluble in water only if the water is poured over it. C.It is insoluble ...
December 16, 2014

Chemistry Honors
Arthur is performing a lab which requires a 0.2 M solution of calcium hydroxide. However, the only calcium hydroxide solution available has a concentration of 0.5 M. How can Arthur dilute the 0.5 M solution to make 10 mL of a 0.2 M solution? A.He needs to add 2.5 mL of the 0.5...
December 16, 2014

ethic
Disloyalty, greed, merciless mess prejudice, and intolerance are examples of
December 7, 2014

physics
A 61.0 -kg bungee jumper is standing on a tall platform (h0 = 46.0 m), as indicated in the figure. The bungee cord has an unstrained length of L0 = 9.00 m, and when stretched, behaves like an ideal spring with a spring constant of 76.0 N/m. The jumper falls from rest, and it ...
November 25, 2014

Maths
find the area of the region bounded by the parabola y^2= 16x and its latus rectum
November 15, 2014

Applications of definite integrals
find the area of the region bounded by the parabola y^2= 16x and its latus rectum
November 15, 2014

MATH
Is the sum of two mixed numbers always a mixed numbers? Why or why not?
November 13, 2014

science
1.alleles 2.mitosis
October 22, 2014

algebra
the second side of a triangle is 6 inches longer than the first side. the third side is 2 inches shorter than the double the first side. the total perimeter of the triangle is 24 inches. find the lengths of all three sides of the triangle
October 22, 2014

Spanish 1
I made the corrections, thank you so much you were very helpful. :)
October 16, 2014

Spanish 1
Okay thanks :)
October 16, 2014

Spanish 1
Hola Tia, Gracias por el dinero de mi cumpleaños. Compré pantalones y camisas en la tienda de descuentos. Cuestan $20 dólores. Pagué $2.50 dólores por los patalones verdes y $2.50 dólores por los jeans morados. Me gusta más los ...
October 16, 2014

physics
What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 1.2 Newtons?
October 2, 2014

physics
Forces of 8.85 N and 2.21 N act at right angles on a stack. What is the mass of the stack if it accelerates at a rate of 4.4 m/s^2?
October 2, 2014

Physics
Forces of 9.5 N and 5.12 N act at right angles on a reddish-green block of mass 3.19 kg. How much acceleration occurs?
October 2, 2014

Science - Please Check My Answers
The answer to 1 and 4 are A. I got it right on my quiz 3 is c .5-6 is d. 7 is b 8 is c 9 is b and 10 is d
September 11, 2014

math
What is the function rule for input x 1,2,3,4,5,6 and output 0,1,3,6,10,15? Thanks
September 8, 2014

eng composition
Thanks..I may have one more.
August 29, 2014

eng composition
Amy and carl are discussing the essay by tardiff and brizee. Army argue that her essay on how the cocoa bean is processed into chocolate should becconsidered an explanatory essay. Carl remaks that her essay might be called an explository essay. Who is correct? A. Amy is ...
August 29, 2014

eng composition
I picked B
August 29, 2014

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