# Ted

Popular questions and responses by Ted-
## math grade 12

What is the arc length if the central angle is 225 degrees and the radius of a circle is 3 cm? pls help. i don"t get it

*asked on July 21, 2012* -
## Math

If you are given odds of 3 to 4 in favor of winning a bet, what is the probability of winning the bet?

*asked on July 27, 2013* -
## maths

1. A cone justs fits inside a cylinder with volume 300cm^2. what is the volume of the cone?Give reasons for your answers.

*asked on May 15, 2010* -
## Finance

Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for $110,000 and sell its old low-pressure glueball, which is fully depreciated, for $20,000. The new equipment has a 10-year useful life and will save

*asked on February 14, 2016* -
## physic

you are designing a diving bell to withstand the pressure of sea water at a depth of 250m. a)what is the quage pressure at the depth(you can ignor the small changes in the density of the water with depth.) b)at the 250m depth, what is the net force due to

*asked on July 20, 2010* -
## drama

can you help me answer the following question inthe play ''the sandbox by edward albee of what is the beach a symbol in the play? symbollically, what does daddy mean when he says ''i'm cold'' state two very noticeable things about the young man's

*asked on September 25, 2010* -
## finance

How much will $100 grow to if invested at a continuously compounded interest rate of 10.75% for 8 years?

*asked on February 7, 2016* -
## math

The sum of the squares of three consecutive integers is 194. what are the integers?

*asked on January 20, 2011* -
## math

Adam has built a garden shed in the shape described. a square based pyramid with the height of 3.5m on top of a cube with base 4m by 4m and height 2m. calculate the volume of the shed, to the nearest cubic metre. thanks.

*asked on May 16, 2010* -
## physics

Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 177Ω when its temperature is 28.7 °C. The wire is then immersed in a liquid, and the resistance drops to 116Ω. The

*asked on February 13, 2016* -
## Calculus and vectors

Vector AB is a vector whose tail is at (-4,2) and whose head is at (-1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (-6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve

*asked on February 5, 2013* -
## math

A builder needs to connect a partially built house to a temporary power supply. On the plan, the coordinates of the house are (50,114) and the power supply is at (147,82). what is the least amount of cable needed? why is it likely that the builder will use

*asked on October 16, 2010* -
## math

Consider a parabola P that is congruent to y=x^2, opens upward,and has its vertex at (2,-4). Now find the equation of a new parabola that results if P is: A. stretched vertically by a factor of 5. B. compressed by a factor of 2. C. translated 2 units to

*asked on December 9, 2010* -
## parenting

making the decision to have a child is momentous. it is to decide forever to have your heart go walking outside your body. pls i was asked to write a one page reflection, but i don't know what to write or how to start. pls help me

*asked on September 12, 2010* -
## Trig

Which of the following polar coordinates describes the same point as the point (5, -pi/6) given in polar coordinates? a.) (5, pi/6) b.) (-5, -pi/6) c.) (5, 5pi/6) d.) (-5, 5pi/6) e.) none of these

*asked on September 4, 2019* -
## Trig

Solve the equation 3sin(2x)+3sinx=0 on the interval 0 ≤ pi

*asked on August 19, 2019* -
## Finance

Stormy Weather has no attractive investment opportunities. Its return on equity equals the discount rate, which is 10%. Its expected earnings this year are $2 per share. Find the stock price, P/E ratio, and growth rate of dividends for plowback ratios of

*asked on February 10, 2016* -
## math

thirty animals are to be used in a medical experiment on diet deficiency: 3 male and 7 female rhesus monkeys, 6 male and 8 female dogs. If one animal is selected at random, what is the probability of getting a chimpanzee or a dog?

*asked on July 29, 2013* -
## Physics

A basketball is thrown from the ground into the air at an angle of 30 degrees to the horizontal. If this object reaches a maximum height of 5.75m, at what velocity was it thrown? How am i suppose to do this question if no velocity is given? I need help. I

*asked on March 5, 2013* -
## Physics

The force required to stretch a Hooke’s-law spring varies from 0 N to 63.5 N as we stretch the spring by moving one end 5.31 cm from its unstressed position. Find the force constant of the spring. Answer in units of N/m

*asked on February 8, 2013* -
## Math

If Julie needs 3 1/4 cups of oatmeal, how many 1/4 cups oatmeal will shw use?

*asked on January 30, 2013* -
## Chemistry

Using oxidation numbers, explain why this reaction is not a redox reaction? CaCo3 --------> CaO + Co2 Please help.

*asked on January 26, 2013* -
## english-literature(honey, baby, sweetheart

what kind of tragic achetype or hero is Ruby McQueen in the novel ''honey, baby, sweetheart''. PLS I REALLY NEED HELP. THIS IS DUE TOMORROW

*asked on April 28, 2011* -
## Trig

Use fundamental identities and or the complementary angle theorem to find the value of the expression: tan 55°-cos 35°/sin 35° a.) sqrt2/2 b.) sqrt3 c.) sqrt3/2 d.) sqrt2 e.) 0 f.) 1

*asked on September 5, 2019* -
## math

75,000, how much tax must that citizen pay to each of the two countries? 21. A giant pumpkin is 90% water and weighs 250 pounds. The pumpkin is placed on display as the largest pumpkin of the year at the LA county fair. During the week-long fair, the

*asked on March 2, 2015* -
## physics

Light is incident from air onto a flat transparent slab of material, at an angle of 62.2° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?

*asked on January 20, 2015* -
## Physics

A person is standing at the top of a 58.0m tall hill. He stumbles and falls.As he rolls down the hill, magically friction has no effect on him! When he is still 25.0m above the base of the hill determine how fast he is moving.

*asked on December 15, 2013* -
## Physics

A stopper tied to the end of a string is swung in a horizontal circle. If a mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 secs, what is the tension on the string? I tried solving

*asked on March 25, 2013* -
## math

A group of students have volunteered for the student council car wash. Janet can wash a car in m minutes. Rodrigs can wash a car in m-5 minutes, while Nick needs the same amount of time as Janet.If they all work together, they can wash a car in about 3.23

*asked on December 18, 2012* -
## CHEMISTRY

At what temp do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455 C? At what temperature do hydrogen molecules have the same average kinetic energy?

*asked on October 23, 2012* -
## Chemistry

At what temp do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455 C? At what temperature do hydrogen molecules have the same average kinetic energy?

*asked on October 23, 2012* -
## math

how do you create a function that has a graph with the given features: a. A vertical asymptote at x=2; a horizontal asymptote at y=0; no x-intercept; y-intercept is 3

*asked on July 11, 2012* -
## Physics

A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61° to push a 5.2 kg block across the ceiling of his room, as in Figure 6-52. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the

*asked on October 24, 2011* -
## math

EXPLAIN THE IMPORTANCE OF THE CENTROID IN DESIGN AND MANUFACTURING

*asked on October 25, 2010* -
## math

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice

*asked on October 20, 2010* -
## math

how do you calculate the lengths of the midsegment

*asked on October 19, 2010* -
## math

1. a square based prism box has a capacity of 8L. wHAT DIMENSIONS PRODUCE THE MINIMUM SURFACE AREA? 2. what are the dimensions of the square based prism box with maximum volume that can be made using 6oocm^2 of cardboard. after getting the answer, pls i

*asked on June 2, 2010* -
## Trig

cos2x(2cosx+1)=0 Solve for x.

*asked on November 17, 2008* -
## Trig

Which of the following are polar coordinates of the point whose rectangular coordinates are (-2, -2sqrt3)? a.) (4, pi/3) b.) (2sqrt3, 4pi/3) c.) (4, 7pi/6) d.) (4, 4pi/3) e.) none of these

*asked on September 6, 2019* -
## Trig

Convert the following equation from an equation using polar coordinates to an equation using rectangular coordinates: 6sinθ=r-5cosθ a.) 6y=-5x b.) x^2-6x+y^2-5y=0 c.) x^2-5x+y^2-6y=0 d.) x^2+6x+y^2+5y=0 e.) x^2+5x+y^2+6y=0 f.) 5y=-6x

*asked on September 4, 2019* -
## Trignometry

Determine the total number of solutions for the given equation: tan(2θ-pi/2)=1 on the interval [0, 2pi]

*asked on August 19, 2019* -
## Maths

A rectangular fish tank has a base area of 0.3 m squared and height 30 cm and is filled with 80 L of water. Ten large fish with volume 50 cm cubed each are placed into the tank. By how much does the water rise?

*asked on November 5, 2016* -
## math

Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use

*asked on June 9, 2016* -
## finance

A General Power bond with a face value of $1,000 carries a coupon rate of 9.0%, has 9 years until maturity, and sells at a yield to maturity of 8.0%. (Assume annual interest payments.)

*asked on February 9, 2016* -
## physics

A 1.80-kg block slides down a frictionless ramp.The top of the ramp is h1 = 1.21 m above the ground; the bottom of the ramp is h2 = 0.256 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance $d$ away. Calculate

*asked on March 5, 2014* -
## pysics

A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1-kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

*asked on February 21, 2014* -
## physics

A rocket cruising past earth at 0.800c shoots a bullet out the back door,opposite the rocket's motion,at 0.900c relative to the rocket. What is the bullet's speed relative to the earth?

*asked on April 11, 2013* -
## Religion

What's a good life in today's society? Some people think a good life is having money, family and friends. I do not know how else to describe what a good life is in TODAY'S SOCIETY

*asked on January 28, 2013* -
## English

I have difficulty restating my thesis in a different way in my conclusion. my thesis: Ruby's sense of responsibility becomes her weaknesses as it makes her blind to the fact that her decision to stay with a man that maltreats her is wrong. For this, she

*asked on December 19, 2012* -
## Physics

A stone is thrown straight up at 8.99 m/s. What is the stone's acceleration in m/s/s at the top of its rise?

*asked on October 4, 2012* -
## Physics

A stone is thrown straight up. To reach a height of 6.49 m above its release point, what must its initial speed be in m/s?

*asked on October 4, 2012* -
## Physics

A soccer player kicks the ball toward a goal that is 29.2 m in front of him. The ball leaves his foot at a speed of 19.1 m/s and an angle of 33.4° above the ground. Find the speed of the ball when the goalie catches it in front of the net. (Note: The

*asked on October 4, 2012* -
## Chemistry

A denaturation/renaturation (similar to the one carried out by Anfinsen with ribonuclease) experiment was carried out using insulin. However, in contrast to Anfinsen's results, only less than 10% of the activity of insulin was recovered when urea and BME

*asked on September 8, 2012* -
## math

how do you solve this inequality 3x-2 < x+4/x-2 please help i don't get it

*asked on July 24, 2012* -
## science -chemistry

Mr. Currie pours himself some coffee into a paper cup before making his way to the amusement park. The coffee temperature is 350C when the cup is placed on the kitchen counter with room temperature of 20o C. Mr. Currie was called to the phone for last

*asked on July 23, 2012* -
## math

How do you fully factor 8X^3-27. pls help.

*asked on July 5, 2012* -
## biology

why do breathing rates increase in crowded rooms. pls help

*asked on April 4, 2012* -
## physics.pls help

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

*asked on November 8, 2011* -
## sociology-pls help

similarities between milgram's experiment and stanford experiment pls help

*asked on November 4, 2011* -
## Physics

In Fig. 6-21, a slide-loving pig slides down a certain 37° slide in twice the time it would take to slide down a frictionless 37° slide. What is the coefficient of kinetic friction between the pig and the slide?

*asked on October 23, 2011* -
## sciance

please explain why biomass and energy decreases fron one trophic level to the next

*asked on October 6, 2011* -
## careers

what is the difference between legal discrmination and institutionalized discrimination?

*asked on April 22, 2011* -
## physics

A ball is thrown upward from the ground with an initial speed of 26.7 m/s; at the same instant, a ball is dropped from a building 13.1 m high. After how long will the balls be at the same height?

*asked on January 23, 2011* -
## math

during the summer months, sarah makes and sells necklaces on the beach. last summer she sold the nacklaces for $10 each. Her sales averaged 20 per day. Considering a price increase, she took a small survey and found that for every dollar increase, she

*asked on December 13, 2010* -
## math

The cosat C, in dollars, of operating a concrete-cutting machine is modelled by C=2.2n^2-66n+655, where n is the number of minutes the machine is run. How long must trhe machine run for the operating cost to be at a minimum? What is the4 minimum cost?

*asked on December 9, 2010* -
## math

What value oc C makes the expression a perfect square? A. x^2+bx+c B. x^2+0.16x+c

*asked on December 9, 2010* -
## math

Write the relation for a parabola that satisfies each condition: The graph of y=x^2 is stretched vertically by a factor of 3/2, then translated left 4 units.

*asked on December 9, 2010* -
## Physics

A 60kg parachutist has a PE=70,000J. What is his height?

*asked on November 30, 2010* -
## math

The city bus company usually transports 12000 riders per day at a ticket price of $1. The company wants to raise the tickets price and knows that for every 10 cents increase, the number of riders decreases by 400. A. What price for a ticket will maximize

*asked on November 24, 2010* -
## math

EXPLAIN THE IMPORTANCE OF THE CENTROID IN DESIGN AND MANUFACTURING

*asked on October 25, 2010* -
## math

A leach free area for dogs is to be created in a field behind a recreation centre. what length of fencing will be required, if the plans show an irregular pentagonal area with vertices at (2,0), (1,6), (8,9), (10,7)and (6,0)?( one unit represents 10m)

*asked on October 19, 2010* -
## math

A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a mico-tunnelling machine. the cable will link points with coordinates A(-18,12), B(-8,1), C(3,4), and D(15,7), in a run beginning at D. if one unit on

*asked on October 17, 2010* -
## math

A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a mico-tunnelling machine. the cable will link points with coordinates A(-18,12), B(-8,1), C(3,4), and D(15,7), in a run beginning at D. if one unit on

*asked on October 17, 2010* -
## math

CALCULATE THE UNIT COST OF $1.85 FOR 4 KG

*asked on October 17, 2010* -
## parenting

what does this quote mean ''making the decision to have a child is momentous. it is to decide forever to have your heart go walking around outside your body - elizabeth stone. pls i need the answer latest by tonight

*asked on September 11, 2010* -
## english

In romeo and juliet what is the theme in the first prologue of the play/ story or book

*asked on May 31, 2010* -
## math

how do you calculate the surface area of a cone with a slant height of 13cm and a height of 12cm.?

*asked on May 30, 2010* -
## geography

why are both metallic minerals and fossil fuels found in canada's arctic ecozones.

*asked on May 16, 2010* -
## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

*asked on May 16, 2010* -
## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

*asked on May 16, 2010* -
## science

1. how does a region's climate determine plant and animal life there? 2. how does climate affect our life style?

*asked on July 5, 2010* -
## calculus, again

Hey can you help me find the exact value of x in the equation 5^2x=3^(x+1)? Thanks a lot, this website is cool and helpful!

*asked on March 19, 2008* -
## AP Calculus BC Resources

Hi there, I was hoping if any one was familiar with any sites that have printable integration/differentiation packets? I'm hoping to use them for everyday practice. I skipped Calculus AB and need a little help. I love packets so if there are any out there

*asked on October 26, 2006* -
## Trig

Which of the following is not a fifth root of -1? a.) cos 36°+ i sin 36° b.) cos 252°+ i sin 252° c.) cos 108°+ i sin 108° d.) cos 180°+ i sin 180° e.) cos 244°+ i sin 244° f.) cos 324°+ i sin 324°

*asked on September 4, 2019* -
## chemistry

A 33.4 g sample of a nonelectrolyte was dissolved is 680. g of water. The solution's freezing point was -2.89°C. What is the molar mass of the compound?

*asked on May 28, 2019* -
## English

Which word has a meaning similar to prodigy? A. Statue B. Babysiter C. Athlete***** D. Wonder

*asked on March 7, 2019* -
## Physics

A monochromatic laser beam, with a wavelength of 532 nm passes through a diffraction grating. If the second order diffraction maximum occurs at an angle of 35.0 degrees to the straight through position, calculate the separation of adjacent slits on the

*asked on April 24, 2018* -
## Physics

Calculate the time it takes for a gamma ray to travel from the Sun to the Earth Distance (mean) Earth to Sun=1.5 e11 m

*asked on April 24, 2018* -
## Marh

A solid sphere of diameter 18cm is placed in an empty vertical cylindrical tank of diameter 24cm enough water is poured into the tank to cover the sphere if the sphere is then removed how far does the water fall

*asked on September 1, 2017* -
## Maths

A bag contains 2 green balls and 1 red ball Two balls are randomly selected without replacement. What is the probability of selecting one of each colour

*asked on November 6, 2016* -
## Maths

Find the rule for the volume of a cylinder in terms of r only if the height is equal to its circumference. The surface area of a cylinder is 2pi square units. Find a rule for h in terms of r.

*asked on November 5, 2016* -
## Maths

A page of text is analysed, and of the 150 words on it, 30 are nouns, 10 of which start with a vowel. Of the words that are not nouns, 85 of them do not start with vowels. a. If the word on the page is chosen at random, what is the probability that it is a

*asked on November 4, 2016* -
## Maths

Sophie has randomly chosen a card from a standard deck and placed it in her pocket. She is going to randomly choose a second card from the deck. a.What is the probability that she chooses the same card as the one in her pocket b. what is the probability

*asked on November 4, 2016* -
## Math

Solve the system of equations using substitution, elimination by addition, or augmented matrix methods (your choice). Show work. 3𝑥 − 2𝑦 = 5 5𝑥 + 3𝑦 = 21

*asked on March 6, 2016* -
## Math

In a European country, 20% of the families have three children, 30% have two children, 40% have one child, and 10% have no children. On average, how many children are there to a family

*asked on March 6, 2016* -
## Math

Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F)

*asked on February 20, 2016* -
## finance

An engineer in 1950 was earning $5,300 a year. Today she earns $53,000 a year. However, on average, goods today cost 8.1 times what they did in 1950. What is her real income today in terms of constant 1950 dollars?

*asked on February 7, 2016* -
## algebra

mary and jen peel 1lb of apple.if together they peeled 500 lbs of apple in 8 hours,then how long would it take each one working together? explain

*asked on November 28, 2015* -
## Math

in four games of basketball, michael scored 14, 9, 10 and 11 points. After one more game his mean was 12 points per game. how many points did he score in the fifth game?

*asked on September 30, 2015* -
## English

what is the tone in the poem "Home for the Aged" by Elizabeth Brewster? NEED HELP

*asked on August 4, 2015*