# t

Popular questions and responses by t-
## math

If Julie bought 8 T-shirts, she would be short $28. If she bought 4 T-shirts and 3 baseball hats, she would have $17 left. If each hat cost $5, how much money did she have in the beginning?

*asked on January 22, 2012* -
## precalculus

A Ferris wheel is 25 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 4 minutes. How many minutes of

*asked on May 25, 2019* -
## Physics

Bob is pulling a 30kg filing cabinet with a force of 200N , but the filing cabinet refuses to move. The coefficient of static friction between the filing cabinet and the floor is 0.80. What is the magnitude of the friction force on the filing cabinet?

*asked on May 11, 2014* -
## chemistry

How many moles of water, H2O, are present in 75.0 g H2O?

*asked on December 15, 2010* -
## English

Which of the following contains an error in verb voice? I would buy a large sailing yacht if I were to become rich. Had I known you were going to be late, I would have started by now. ** If I were going on this trip, I would have planned a fishing trip. If

*asked on March 16, 2018* -
## Math

If Will gives Molly $9 he will have the same amount as her. If Molly gives will $9 the ratio of the money she has to the money Will has will be 1:2. How much money does Will have in the beginning

*asked on April 7, 2012* -
## Math

A power failure on the bridge of a Great Lakes freighter has resulted in the ship's navigator having to do her own calculations. She measures the angle between the ship's course and a lighthouse on shore as 32°. After the ship has travelled 1500 m, she

*asked on April 4, 2018* -
## Chemistry

What volume of O2 is required to react with excess CS2 to produce 4.0L of CO2 Assume all gases at STP. Not sure what I am doing wrong, but the answer I am getting is not one of the answers. 4L/X mole=22.4 L/1 mole ===>.1786 mols Balanced equation: O2 + CS2

*asked on December 13, 2007* -
## math :(

An observer stands on the edge of a 375 m high cliff. Below him is a river. He estimates that the angle of depression to the near bank of the river is 80° and the angle of depression to the far bank is 60°. Find the width of the river to the nearest

*asked on March 23, 2018* -
## Algebra

Carmen is using the quadratic equation (x + 15)(x) = 100 where x represents the width of a picture frame. Which statement about the solutions x = 5 and x = –20 is true?

*asked on June 2, 2016* -
## Chemistry

Write equations for the dissociation of the following in water. Do not include states in your answer. 1) sodium acetate (NaC2H3O2) NaC2H3O2 ---> Na+ + (C2H3O2)- 2) copper(II) perchlorate Cu(ClO4)2 ---> Cu2+ + 2(ClO4)- Enter balanced ionic and net ionic

*asked on October 9, 2016* -
## algrebra

A scientist is working with 1.3m of gold wire. How long is the wire in millimeters? Be sure to include the correct unit in your answer.

*asked on April 23, 2015* -
## Math

If a mother is 20 years old when her baby is born how old will she be when she is twice as old as her child

*asked on June 1, 2019* -
## Math

It costs $1200 to start up a business selling hot dogs on the beach. Each hot dog costs 40c to produce. a)Write the cost equation in slope-intercept form. b) How many hot dogs are produced if the total cost is$1560.

*asked on December 19, 2018* -
## Math

The ratio of Maya's beads to Kayla's beads was12:7. After Maya bought another 28 beads and Kayla gave away 32 beads, 5/7 of Kayla's beads were left. How many more beads did Maya have than Kayla in the beginning? Find the ratio of Maya's beads to Kayla's

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

there were 490 altogether in 2 groups. group A consited of only boys and group b constied of only girls. ther were 2 and a half times as many girls as boys. some girls joined group b and foe every 4 boys in group a 32 more boys jioned the group. the total

*asked on March 1, 2012* -
## Mathh

A rectangular flower bed is to be created so that the length is 3 m more than the width. If the length of the diagonal of the flower bed is 15 m, determine the length and the width.

*asked on April 10, 2018* -
## Mathh

A baseball is hit from a height of 0.8 m. After “t” seconds, its height “h”, in metres, is given by the equation h = -5t2 + 20t + 0.8. How long does the ball stay at least 15 m above the ground? What would be the LET statement?

*asked on April 9, 2018* -
## English

One morning, when Gregor Samsa woke from troubled dreams, he found himself transformed in his bed into a horrible vermin. He lay on his armor-like back, and if he lifted his head a little he could see his brown belly, slightly domed and divided by arches

*asked on March 16, 2018* -
## BUSINESS MATH

Part B: The Crescent Corporation just paid a dividend of $2 per share and is expected to continue paying the same amount each year for the next 4 years. If you have a required rate of return of 13%, plan to hold the stock for 4 years, and are confident

*asked on December 8, 2014* -
## math

every week Brady gets $2.50 more for his allowance than Max does. They spend $6 on snacks and save the rest. Brady saves $72, but Max saves only $52. How many weeks does it take Brady to save $72? !@#$%^& much money does Max get every week?

*asked on January 22, 2012* -
## Algebra 2 with trigonometry

A baseball diamond is a square 90 feet on a side. The pitcher's mound is 60.5 feet from home. How far does the pitcher have to run to cover first? (we are using the LAW OF SINES AND COSINES)

*asked on May 6, 2010* -
## Algebra 2

The equation of a parabola is 12y=(x-1)^2-48. Identify the vertex, focus, and directrix of the parabola.

*asked on May 3, 2019* -
## Algebra 2

A farmers’ market manager needs to purchase pints of blueberries and pints of strawberries. His display for berries can hold no more than 50 pints. His customers by no more than 25 pints of blueberries and no more than 40 pints of strawberries. He is

*asked on April 29, 2019* -
## math

A line segment has endpoints P(-3, 2) and Q(x, 5). PQ has a slope of 3. What is the value of x?

*asked on November 27, 2018* -
## algebra

I need some help with this math problem: Let n be the number of oil refineries at t years since 2005. A reasonable model of oil refineries is n= -2.23t + 210.53. What is the slope of this model? What does it mean in this situation?

*asked on April 15, 2015* -
## Chemistry

How will overshooting the end point of an acid-base titration by adding too much base to KHP affect the calculated molarity of the base? I would think you would need to add more KHP, then more base to bring it to the endpoint. So the molarity calculated

*asked on December 5, 2012* -
## Psychology

The majority of psychologists are electric, which means they draw information from different schools of thought rather than limiting themselves to information gained from only one perspective. However, most psychologists agree that it's important to: a.

*asked on February 20, 2012* -
## World History

Why was Thomas Paine’s Common Sense considered radical? a) Its arguments about taxation were new and groundbreaking. b) Its rejection of the monarchy was controversial for the time. c) Its ideas about religion were controversial for the era. d) Its

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

1. My Brother wanted to become a clown, and nothing could dissuade him. Dissuade meaning: a) deter * b) humor c) persuade d) encourage 2. There she is, Miss America, but even in my up-to-date, enlightened dreams, she never wears my face. Enlightened

*asked on May 8, 2019* -
## Algebra 2

A hyperbolic mirror can be used to take panoramic photos, if the camera is pointed toward the mirror with the lens at one focus of the hyperbola. Write the equation of the hyperbola that can be used to model a mirror that has a vertex 4 inches from the

*asked on May 3, 2019* -
## math

A parabola passes through the point (3, 5) on its way to the vertex at (7, 11). Determine the equation in vertex form that represents this parabola.

*asked on April 30, 2018* -
## Algebra 2

Suppose you roll two dice. Find the number of elements in the event space of rolling a sum of 2.

*asked on April 26, 2012* -
## Math

Tap A was turned on to fill a rectangular tank of 50 cm by 40 cm by 28 cm with water at a rate of 6 liters per minute. After 2 minutes, Tap B was turned on to drain water from the tank at a rate of 2 liters per minute. 6 minutes after Tap B was turned on,

*asked on February 28, 2012* -
## Chemistry

Samples of Neon and helium are placed in separate containers connected by a pinched rubber tube. There is 5.00 liters of neon at a pressure of 634 mm Hg in the first container. The second container has 3.00 liters of helium at 522 mm Hg. When the clamp is

*asked on February 18, 2011* -
## English

What are some comparisons between the short story "The Black Cat" by Edgar Allen Poe and the novel Stones by William Bell?

*asked on October 19, 2018* -
## Math

It is impossible to measure the length of a particular swamp directly. (Snapping turtles!!) Kendra put a stake in the ground and measured from the stake to opposite ends of the swamp, the results being 410 m and 805 m. She measured the angle between the

*asked on April 5, 2018* -
## Math

63.9 to the nearest degree would be 64 degrees correct?

*asked on April 3, 2018* -
## English

1. Which of these statements is written using passive voice? A. I went to the store because it was having a sale. B. It was said that the store had a good sale. C. The store was advertising a good sale. D. A sale at the store led me there. ** 2. Which of

*asked on March 4, 2018* -
## English

Imagine your friend's cousin writes a rebuttal argument to her claim in favor of teens owning smartphones. Read his argument excerpt and answer the question that follows: Smartphone ownership among teens is certainly on the rise. Yet there is reason for

*asked on March 2, 2018* -
## BUSINESS MATH

The Crescent Corporation just paid a dividend of $2 per share and is expected to continue paying the same amount each year for the next 4 years. If you have a required rate of return of 13%, plan to hold the stock for 4 years, and are confident that it

*asked on December 8, 2014* -
## physics

a gun fires Aa bullet of mass 50g the bullet moving with a velocity of 100m/s strikes a sandbag get embedded after travelling 10cm calculate the resistance force exerted by the sand bag on the bulle

*asked on August 24, 2014* -
## Chemistry

Consider the unbalanced redox reaction: Cr2 O7 2-(aq) + Cu(s) ----> Cr3+(aq) + Cu2+ Balance the equation in acidic solution and determine how much of a 0.850 M K2 Cr2 O7 solution is required to completely dissolve 5.25 g of Cu.

*asked on July 22, 2014* -
## Inverse Functions - Precalc

Which of the following functions are one-to-one? Select all that apply (theres three right answers) a) f(x)= x-1/3x+3 b) f(x) = srt5x+9 c) f(x) = 7/4x^2 d) f(x) = 1/2x^3 e) f(x) = 3x^4+7x^3 I don't really understand what one-to-one means. So i need help

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

Can you please review my essay about Brutus being the noblest Roman of them all. Marcus Brutus is one of Shakespeare’s most loved and admired characters. Brutus was a Senator of Rome and a friend of Julius Caesar. Brutus took a leading role in the

*asked on September 2, 2018* -
## English

What are some irony in Shrek?

*asked on May 27, 2018* -
## science

What materials will trap heat in the greenhouse and prevent it from escaping?

*asked on May 23, 2018* -
## science

A police officer is investigating a crime which occurred in a rectangular field next to a building. He wants to seal the three sides of the area around the scene with 300 m of yellow police tape. What is the maximum area that he can enclose and what are

*asked on April 30, 2018* -
## MATHh

Include the LET statement for the equation below: An art dealer advises that, for the best display of a painting, the area of the frame should be 1/5 the area of the painting. Determine the best width of the frame for a painting 20-cm by 20-cm, if the

*asked on April 9, 2018* -
## trigonometry

In another attempt to determine the height of the flagpole, a metre stick was placed vertically beside the flagpole. When the flagpole’s shadow was 36.72 m long, the metre stick’s shadow was 3.06 m long. Find the height of the flagpole.

*asked on March 24, 2018* -
## math :(

In another attempt to determine the height of the flagpole, a metre stick was placed vertically beside the flagpole. When the flagpole’s shadow was 36.72 m long, the metre stick’s shadow was 3.06 m long. Find the height of the flagpole.

*asked on March 24, 2018* -
## English

I have 3 more questions that I'm confused on. 1. Read the argument excerpt related to teen use of smartphones and answer the question that follows: People on either side of the smartphones-for-teens debate can't agree on the evidence. Sure, there's proof

*asked on March 2, 2018* -
## English

Which of the following should you do to make your argument effective? Answers: Compare the opposite side's views to something unpleasant. Include only general details the audience will understand. Use specific details to refute the opposite side's views.

*asked on March 2, 2018* -
## psychology

Identify the unconditioned stimulus (US), the unconditioned response (UR), the conditioned stimulus (CS), and the conditioned response (CR). 1) The door to Jim's house squeaks loudly when he opens it. Jim's dog is happy and wags her tail. Soon, Jim's dog

*asked on January 27, 2017* -
## math

A fertilizer covers 3 4 square foot in 1 6 hour.

*asked on January 27, 2016* -
## physics

Paul lifts a sack weighing 245 newtons vertically from the ground and places it on a platform at a height of 0.7 meters. If he takes 10 seconds to do this task, what power has he expended during this time?

*asked on February 18, 2015* -
## psychology

what might be some of the things that you could use as test items that would tap into this general form of intelligence that would not be overly affected by cultural matters? If not, why not?

*asked on December 11, 2013* -
## Physics

A spherical source radiates sound uniformly in all directions. At a distance of 12 m, the sound intensity level is 100 dB. At what distance from the source is the intensity level 40 dB? When I set it up as 100dB/40dB = r^2/(12m)^2, and got x = 18.97

*asked on October 22, 2013* -
## stats

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. 1) n = 128, x = 93; 90 percent

*asked on April 15, 2013* -
## Chemistry

The solubility of bismuth iodide (BiI3) in water is 10.291 x 10-3 M. Calculate the value of the solubility product. The dissolution products are Bi3+(aq) and I−(aq)

*asked on January 11, 2013* -
## Chemistry (balloon)

A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.3 kg m-3. Under these conditions the total surface area of the balloon is 0.33 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

*asked on December 15, 2012* -
## Chemistry

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 359.5 ppm and is initially uniform through the thickness of the

*asked on December 15, 2012* -
## biology

define natural selection

*asked on November 14, 2012* -
## Psychology

Sally is driving her car and talking on her cell phone. Statistically this behavior has been shown to be quite dangerous and contributes to many automobile accidents. In performing these two tasks simultaneously, Sally uses: a. conscious cognitive

*asked on February 20, 2012* -
## psychology

. Expectation plays an important role in:

*asked on November 14, 2011* -
## algebra 2

suppose a house that costs $270,000 appreciates by 5% each year. in about how many years will the house be worth $350,000? use the equation 350 = (270) (1.05)^x and round the value of x to the nearest year.

*asked on February 7, 2011* -
## precalculus

Given vectors u=(-6,4) and v=(3,3), determine if the vectors are orthogonal. if they are not orthogonal, find the angle between the two vectors.

*asked on May 20, 2020* -
## precalculus

What type of limacon is graphed by the polar equation r=4+2 sin Θ? Identify the axis of symmetry and horizontal and vertical intercepts.

*asked on May 19, 2020* -
## precalculus

Determine if there are zero, one, or two triangles for the following: m∠A=48° a=10 m b=12 m

*asked on May 19, 2020* -
## precalculus

Write the composed trigonometric function sin(arctan x) in terms of x. Explain your steps and/or show your work. Remember to rationalize the denominator if necessary.

*asked on May 19, 2020* -
## precalculus

Verify the identity: sin(A+B)/sin(A-B) = tan(A)+tan(B)/tan(A)-tan(B) Explain steps

*asked on May 19, 2020* -
## Science

A student finds after applying a certain lotion to a scar, the scar is gone in two days without any side effects. He asks several of his friends who also have scars to use the same lotion. What step of the scientific method is he using? A) gathering data

*asked on August 13, 2019* -
## Algebra 2

A wave is modeled with the function y=1/2sin(3θ), where θ is in radians. Describe the graph of this function, including its period, amplitude, and points of intersection with the x-axis.

*asked on May 8, 2019* -
## Algebra 2

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3+10+17+24+... a. If you were to write this series in summation notation, give i. the lower limit of the sum ii. the upper limit of the sum

*asked on May 6, 2019* -
## English

Do short stories have a thesis?

*asked on December 14, 2018* -
## English

How does this quote unsettle readers? By the time I came to the strip malls and factories a few miles south of Barrie it was dark and I was in the middle of a full blizzard, peering through a white fog of snow at the tail lights of the cars in front of me.

*asked on November 5, 2018* -
## science

What is the general trend of the angle of refraction at a given angle of incidence, as the refractive index increases?

*asked on June 12, 2018* -
## Science

Calculate the position of a 3 cm high object, if it is to produce a 6 cm size real image, using a focal length convex lens of 8 cm.

*asked on June 4, 2018* -
## english

How is this irony? : Donkey: Are we there yet? Shrek: No Donkey: Are we there yet? Fiona: Not yet Donkey: Ok, Are we there yet? Fiona: No. Donkey: Are we there yet? Shrek: NO Donkey: Are we there yet? Shrek: YES Donkey: Really? Shrek: NO!

*asked on May 30, 2018* -
## Science

How do the products and reactants of a chemical change compare? The mass of the products is greater than the mass of the reactants because energy is absorbed by the reaction. The mass of the products equals the mass of the reactants because energy is not

*asked on March 29, 2018* -
## Science

Which of the following is a change from a more condensed to a less condensed state of matter? Freezing Condensing Evaporating ** Solidifying

*asked on March 29, 2018* -
## Science

When ice melts, how does the liquid water compare to the ice? The liquid has a greater mass and greater volume than the ice. The liquid has less mass and less volume than the ice. The liquid has less mass but the same volume as the ice. The liquid has the

*asked on March 29, 2018* -
## Science

Which is greater, the mass of the compounds before a chemical reaction or the mass of the compounds after a chemical reaction? The mass of the compounds before is greater. The mass of the compounds after is greater. The masses before and after are equal.

*asked on March 16, 2018* -
## English

Which of the following is an example of indicative mood? A) If I were less allergic, I would spend more time outdoors. B) The hawk has killed several birds at the backyard feeders. C) Where has the water been pooling the most in the garden? D) If we want

*asked on March 16, 2018* -
## English

The first day of my vacation was like the first day of spring: bright, cool, and colorful. Which literary device is used in this sentence? A) Allusion B) Hyperbole C) Imagery D) Simile ** I'm leaning towards D because the sentence uses "like", but I also

*asked on March 16, 2018* -
## Pre-Algebra

There are (24)2 ⋅ 20 books in a cupboard. What is the total number of books in the cupboard? 22 26 28 216

*asked on February 27, 2018* -
## Pre-Algebra

Which expression is equivalent to 44 ⋅ 4−9? 4^13 4^5 1/4^13 1/4^5

*asked on February 27, 2018* -
## Pre-Algebra

If (92)p = 98, what is the value of p? 2 3 4 5 6

*asked on February 27, 2018* -
## English

Anne tells Mr. Van Daan, “Remember, Mr. So-and-so, remember I’m a lady” and then he tells her, “A man likes a girl who will listen to him once in awhile…” on page 727. a. Explain why one of these quotations is ironic.

*asked on May 31, 2017* -
## Physics

A person holding a lunch bag is moving upward in a hot air balloon at a constant speed of 6.1 m/s . When the balloon is 28 m above the ground, she accidentally releases the bag. What is the speed of the bag just before it reaches the ground? I got Vf^2=

*asked on May 23, 2016* -
## chemistry

A 43.20 mL sample of 0.3260 M sodium hydroxide (NaOH) is required to react completely with 36.70 mL of a phosphoric acid (H3PO4) solution. What is the molarity of the phosphoric acid solution?

*asked on January 23, 2016* -
## physics

A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine: a. The time it takes the sk ier to reach the ground. b. How far away from the base does he land?

*asked on October 1, 2015* -
## physics

A ball is kicked with an initial velocity of 20.0 m/s at an angle of 35 degrees to the ground. If it is to pass over a wall 5.6 m high determine a. The minimum horizontal the wall can be placed from the ball’s launch point in meters. b. What would be the

*asked on October 1, 2015* -
## physics

A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine:

*asked on October 1, 2015* -
## algebra

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is g(x)=3x-94/4. A size 6 shoe in the United States is size 3.5 in England. A function the converts shoe sizes in England to those in the

*asked on September 20, 2015* -
## acct ii

A company has $314,000 in credit sales. The company uses the allowance method to account for uncollectible accounts. The allowance for doubtful accounts now has a $1,890 debit balance. If the company estimates that $8,160 of accounts will be uncollectible

*asked on August 21, 2015* -
## Chemistry

A balloon filled with 1.35 atm of dimethyl ether gas and 5.25 atm of oxygen gas at 27 °C has an initial volume 2.00L They react according to the following reaction: C2H6O (g) + 3 O2 (g) -> 2 CO2 (g) + 3 H2O (g) The system is allowed to back cool down to

*asked on February 19, 2015* -
## statistics

An automotive manufacturer has selected 10 car seats to study the Rockwell hardness of the seat recliner mechanism. A sample of 8 has an average of 44.795 and a standard deviation of 0.402. At 95% percent confidence level, what is the interval for the

*asked on February 9, 2015* -
## BUSINESS MATH

: The Crescent Corporation just paid a dividend of $2 per share and is expected to continue paying the same amount each year for the next 4 years. If you have a required rate of return of 13%,

*asked on December 17, 2014* -
## BUSINESS MATH

Moore Company is about to issue a bond with semiannual coupon payments, a coupon rate of 8%, and par value of $1,000. The yield-to-maturity for this bond is 10%.

*asked on December 8, 2014*