# tommy

Popular questions and responses by tommy-
## math

you need 1 1/4 cups of sugar to make 20 cookies. to make 6 cookies, you need___ cups of sugar?

*asked on April 27, 2016* -
## algebra1

Help me please!!!! Solve. (–18x3 + 17x + 6) ÷ (3x + 2) (1point) –6x^2 + 4x + 3 6x^2 + 4x – 3 –6x^2 + 4x – 3 6x^2 – 4x + 3 The width, w, of a rectangular garden is x – 2. The area of the garden is x^3 — 2x – 4. What is an expression for

*asked on May 19, 2014* -
## English

Combined the sentences by changing the italicized word group to an infinitvie or infinitive phrase (italicized word group) 1. The journalist took a job in the hotel. (This way he would get facts for an article. ) 2. Bob used raspberry flavor in the cod

*asked on April 8, 2011* -
## Chemistry

What reactions occur in the sun? Select all that apply. A: Fusion Occurs B: Helium is Consumed C: Hydrogen is Consumed D: Fission Occurs

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

The temperature of a 12.58g sample of calcium carbonate increases from 23.6degrees celcius to 38.2 degrees celcius. If the heat capacity is 0.82J/g-K, how many Joules of heat are absorbed

*asked on June 18, 2013* -
## Biology

Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the

*asked on September 10, 2010* -
## Physics

In a 5.00km race, one runner runs at a steady 11.6km/h and another runs at 15.0km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?

*asked on June 12, 2015* -
## Physics

Hi, can anybody provide some hints in how to approach these questions? I've been stuck on it for days!!! Thank you in advance!! Nodes of a Standing Wave: Consider a standing wave, where y represents the transverse displacement of a string that extends

*asked on March 14, 2015* -
## Physics

What is the tension in the string in (Figure 1) ? The volume of plastic ball is 95 cm3 and the density is 840 kg/m3.

*asked on July 26, 2015* -
## Physics

Hi, I've been stuck on this for days! I'd love if I can get some help. Two unfortunate climbers, roped together, are sliding freely down an icy mountainside. The upper climber (mass 80kg ) is on a slope at 16∘ to the horizontal, but the lower climber

*asked on April 3, 2015* -
## statistics

The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100. a)what proportion of the population have SAT scores above 650? b)what proportion of of the population have SAT scores below 540? c)what is the minimum SAT score needed to

*asked on February 7, 2008* -
## math

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines,draw a half inch horizontal line that is centered between the lines 3. Draw a line from the bottom

*asked on July 30, 2019* -
## Physics

The two ropes shown in the bird's-eye view of (Figure 1) are used to drag a crate 3.7 m across the floor. How much work is done by the force fk→? How much work is done by the force T1→? How much work is done by the force T2→?

*asked on July 22, 2015* -
## Math

An art class is planning to paint a rectangular mural with an area of 60 square feet. It has to be at least 4 feet high but no more than 6 feet high. The length and width have to be whole numbers. List all possible lengths for the mural.

*asked on March 16, 2015* -
## English

People who attract a lot of friends are neither negative nor needy. Do I need to change this sentenance so that both parts are parallel?

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

There are 24 students in a class. If 1/4 students wear glasses. How many students do not wear glasses? I multiply 24(1/4)=6 so 24-6=18 so is 18 students correct?

*asked on October 26, 2016* -
## Accounting-business

Lear, Inc. has $800,000 in current assets, $350,000 of which are considered permanent current assets. In addition, the firm has $600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its permanent current assets with

*asked on June 16, 2009* -
## Statistics

A survey among freshman at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 15. A sample of 36 students was selected. What is the probability that

*asked on October 6, 2015* -
## Math

Rewrite the given equation using the substitutions x=rcos(theta) and y=rsin(theta). Simplify your answer.

*asked on May 9, 2011* -
## Geometry

The wheel of an adult's bicycle has diameter 26 in. The wheel of a child's bicycle has diameter 18 in. To the nearest inch, how much farther does the larger bicycle wheel travel in one revolution than the smaller bicycle wheel?

*asked on April 4, 2011* -
## physics

a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong? C-What is the

*asked on September 6, 2010* -
## MATH

The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from

*asked on March 10, 2016* -
## Statistics

According to one survey, the mean serum cholesterol level for U.S. adults was 195.1, with a standard deviation of 41.5. A simple random sample of 95 adults is chosen. Find the 46 percentile for the sample mean. Write only a number as your answer. Round to

*asked on October 6, 2015* -
## english

what sound devices does Dickinson employ in the phrase, "too cool for Corn", "But when a Boy, and Barefoot"? alliteration, slant rhyme

*asked on December 26, 2013* -
## History

8. What happened to Japanese Americans during World War II? A.) They were forced to leave the country. B.)They stayed in their homes. C.) They all joined the Japanese army. D.) They were sent to internment camps. I think it is C. Thank You.

*asked on January 24, 2013* -
## physics

A 200.0 N force moves a 120.0 kg crate on a friction less surface from rest to final speed of 9.6 m/s. what is the displacement of the crate at the time it reaches this speed ?

*asked on January 12, 2013* -
## Calculus 1

Evaluate the following limits after identifying the indeterminate form. Use Hospital's rule. d) lim x_0+ (xe^(2x) + 1)^(5/x) e) lim x_(Pi/2)+ (1 + sec3x)^(cot3x) Thank you!

*asked on April 26, 2012* -
## Word problems

Jenny can shovel snow from her driveway in 60 minutes. Tom can do the same job in 55 minutes. How long would it take both of them together to shovel the drivway if they worked together. I am coming up with 28 minutes.. is this correct or is it in fraction

*asked on August 8, 2010* -
## physics

If you drop a stone into a well that is d = 128.0 m deep, how soon after you drop the stone will you hear it hit the bottom of the well?

*asked on May 4, 2008* -
## Trigonometry

in triangle abc, if sin c= (sin a + sin b )/ ( cos a + cos b ) prove that triangle abc is a right-angle triangle.

*asked on July 13, 2008* -
## SCIENCE

HOW IS WATER IMPORTANT FOR THE FUNCTION OF CELLS?

*asked on September 24, 2007* -
## math

what is one-tenth of 19,240

*asked on April 24, 2020* -
## math

A particular style of shoes costs the retailer $80 per pair. At what price should the retailer mark them so he can sell them at a 20% discount off the original price and still make 35% profit on his cost?

*asked on October 25, 2018* -
## mechanical

A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer diameter of the tank is 1.20, and the wall of the tank is 20.0 mm thick and the mamimum internal pressure is 2.00 MPa. (a)

*asked on November 16, 2016* -
## Math

How do i explain what 40 hundred thousands is?

*asked on October 11, 2016* -
## Social studies

How did George Washington create and shape our community? would these be a few ways he created a cabinet system he created the first bank he set the term limit of the president

*asked on October 4, 2016* -
## Writing

Please check this Apostrophe: 1) Kates' sister 2) the giraffe's neck 3) the parent's anniversary 4)the senator's cars 5) Toms' folder 6) the deer's habitat

*asked on October 3, 2016* -
## Math

Jade ran 6 times around her neighborhood to complete a total of 1 mile. How many times will she need to run to complete 5/6 of a mile?

*asked on September 15, 2016* -
## wuzzles

eye fit fit fit fit can someone please help me solve this

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

p o u r can someone help me solve this wuzzle

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

Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will

*asked on February 1, 2016* -
## Math

Which word best completes this statement? Adjacent angles are_______ congruent. A. Always B. Sometimes •• C. Never D. None of these Correct me

*asked on January 27, 2016* -
## finite mathematics

A financier plans to invest up to $2 million in three projects. She estimates that Project A will yield a return of 10% on her investment, Project B will yield a return of 15% on her investment, and Project C will yield a 20% return on her investment.

*asked on October 23, 2015* -
## Physics

A sprinkler mounted on the ground sends out a jet of water at a 35∘ angle to the horizontal. The water leaves the nozzle at a speed of 15m/s . How far does the water travel before it hits the ground?

*asked on June 17, 2015* -
## physics

A car moves with constant velocity along a straight road. Its position is x1 = 0 m at t1 = 0 s and is x2 = 48m at t2 = 5.0s . Answer the following by considering ratios, without computing the car's velocity. What is the car's position at t = 2.5s ? What

*asked on June 12, 2015* -
## Drama

About the movie" Hotel Rwanda¡±£º 1. 1. What moment did Paul's life change? 2. Could Paul have changed his mind? 3. At what moment was Paul past the point of no return? 4. What are the positive and negative sides of attempting to recreate actual events

*asked on January 15, 2014* -
## Chemistry

cr(s)--->Cr^3(aq)+3e- and Pb2+(aq)+2e---->Pb(s) write a balanced equation Please help thanks

*asked on May 5, 2013* -
## Help math

$4000 invested at an APR of 9% for 10 years What is the amount of money after 10 years

*asked on January 27, 2013* -
## physics

A sports car has a weight of 9,300 N and can accelerate from rest to a velocity of 30.0 m/s in a measured time of 11s.1)what is the mass of the car? 2) what is the kinetic energy of the car at the end of this acceleration?

*asked on November 8, 2012* -
## Economics

The service of mechanic in fixing the radiator of his car.ist excluded or included gross domestic product and how?

*asked on February 11, 2012* -
## algebra

the dart from a high-powered dart gun follows a path given by h(t)=-4t^2+62t+10 where h is the height in inches t seconds after it is fired. What is the maximum height reached? how many seconds did it take to reach this height?

*asked on November 2, 2011* -
## Optimization (Math)

The mayor of a village wants to build a library of which the windows have a shape of a rectangle on top of a square. The total perimeter of each window is of P meters and varies depending on each windows size. Find the dimensions of the windows in terms of

*asked on November 1, 2011* -
## Biochemistry

What type of interaction would most likely form in a tertiary structure of a protein? Lysine Tyrosine Asparagine Leucine Glutamic Acid Threonine Isoleucine Methionine I don't understand this at all. Much help is greatly appreciated.

*asked on September 14, 2011* -
## Genetica

Say a normal woman, whose father had hemophilia, marries a normal man. Do you know what would be the probability that their first child will have hemophilia and could you explain it to me? I'm clueless

*asked on September 9, 2011* -
## solid mensuration

A parabolic trough is 3 meters long, one foot across the top and one foot deep. Find the volume of water in the trough in liters if it is filled to a depth of 6inches.

*asked on May 12, 2011* -
## Physics

A 56 cm diameter wheel accelerates uniformly about its center from 130 rpm to 400 rpm in 3.2 s. (a) Determine its angular acceleration. Express your answer using two significant figures. (b) Determine the radial component of the linear acceleration of a

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

REPOST PLEASE HELP a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong?

*asked on September 7, 2010* -
## Physics

Question about doppler effect: How do you solve when it gives you percentage value? (Q 1) How do you calculate for doppler effect when the listener is moving instead of the source of sound? (Q 2) Questions 1. As a racing car zooms by you, its pitch

*asked on November 25, 2009* -
## Physics

Hi guys hope someone here can maybe help me out. Two loudspeakers are placed at either end of a gymnasium, both pointing toward the center of the gym and equidistant from it. The speakers emit 286 Hz sound that is in phase. An observer at the center of the

*asked on November 19, 2009* -
## Physics

Sorry new here trying to figure out angular problem with a disc, only have 2 attempts remaining please help me out :D. When the play button is pressed, a CD accelerates uniformly from rest to 470rev/min in 3.0 revolutions. If the CD has a radius of 6.0 cm

*asked on November 5, 2009* -
## Physics

If a discus thrower rotates through the last 45 degrees of a turn in .11 seconds and the distance from the axis of the rotation to the center of the discus is 1.22 m, what is the average linear velocity of the discus?

*asked on November 4, 2009* -
## calculus

write the expression in the form bi, where b is the real number squareroot-16 squareroot-25 squareroot-3 squareroot-5

*asked on October 29, 2009* -
## spanish II

Write the correct form of "tener." 13. (yo) ____ dos casas. 14. (él) ______mucho dinero. 15. (ella)_____ poco dinero. 16. (Uds.) ______ mis zapatos.

*asked on October 28, 2009* -
## Trigonometry

How to memorize the sum-to-product and product-to-sum formulae more easily ?? I know how to deduce the formula but when i try to memorize it, its so hard. Always sin, cos, a+b, a-b, i always get confused. Is there any way to memorize more efficiently??

*asked on July 21, 2008* -
## history

Who did the american cowboys learn their skills from during th late 19th century???

*asked on February 21, 2008* -
## Chemistry

The multiple Choice Question: Determine delta G (free energy at standard condition s) for the reaction below, considering Kp = 8 at 25 degrees celcius. 2Ag -> B The answer Choices: A.-2.303 x (0.287) x (25) x log 8 [J] B.-2.303 x (8.314) x (25) x log 8 [J]

*asked on April 22, 2007* -
## ALGEBRA

A triangle has sides 3x +7, 4x - 9, and 5x + 6. Find the polynomial that represents its perimeter. Am I suppose to just add these together to get the perimeter 3x+7 4x-9 5x+6 12x+4 that's how easy it is.

*asked on April 21, 2007* -
## chemistry

True or False: 1. A rate law can be written from the molecularity of the slowest elementary step. 2.The final rate law can include intermediates. 3.The rate of a reaction is dependent of the fastest step in the mechanism. 4.A mechanism can never be proven

*asked on February 11, 2007* -
## Programming: LUA

I am trying to figure out how to loop a group of lines. Help?

*asked on March 20, 2020* -
## Math

jim wants to put a wallpaper border around a rectangular room. The room measures 14 feet by 10 feet. If the wallpaper border comes in strips that are 20 feet long how many strips will jim need?

*asked on December 10, 2018* -
## Science

How does visible light be made to give off spectral lines?

*asked on February 20, 2018* -
## science

Any place inside a hachure line is a _____ elevation than the hachure line.

*asked on June 13, 2017* -
## Statistics

If the slope of the regression line is negative and the correlation coefficient is -0.5, coefficient of determination is: r = -0.5 r2 = 0.25 but because slope of regression line is negative, then coefficient of determination would be also negative. r2 =

*asked on April 24, 2017* -
## S.S.

How was Hitler killed?

*asked on April 12, 2017* -
## Algebra 1

Convert to slope intercept form 2x+3y=12 Is this correct y=4-2/3x 2x-y=4 is this correct?y=2x-4

*asked on December 7, 2016* -
## chemistry

If dissolving 2g of ionic salt causes 50ml of water in increase temp. by 15 degrees Celsius at constant pressure, what would be the change in temperature if 6g of the same ionic salt were used instead? Assume the volume of solution remains the same.

*asked on November 18, 2016* -
## Math

Thuy is 54 inches tall.A tree in her backyard is 5 times as tall as she is. The floor of her treehouse is 108 inches from the ground. What is the difference, in inches, between the top of the tree and the floor of the treehouse? Is this correct?

*asked on November 8, 2016* -
## Physics

) A car is traveling on a straight, horizontal road at 20 m/s when the driver slams on the brakes. The force of friction between the car and the road is 900 N. The mass of the car is 1800 kg. (a) Make a free body diagram for the car on the set of axes

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

Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.

*asked on September 8, 2016* -
## Math

-2(3.1) 3.1×2= When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.

*asked on September 7, 2016* -
## Math

-2(3.1) 3.1×2=-6.2 When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.

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

what is the simplified form of the following question? 7m^2+6.5n-4n+2.5m^2-n

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

morning at 10:00 am was 17.6°c. Temperatures fell by 16.7°c between 10:00 pm -11:00 pm. What was temperatures at 11:00?

*asked on August 19, 2016* -
## Chemistry

50.00mL of 0.250M hydrochloric acid was added to 25.00mL of 0.300M potassium hydroxide. Calculate the pH of the resulting solution.

*asked on June 12, 2016* -
## math

rosa and four friends earned money from their combined garage sale.After Rosa spent $2 out of her earnings she had $15 left. How much money n, did the combined garage sale earn?

*asked on June 8, 2016* -
## i need help please math

describe the single transformation that would be equivalent to a reflection over the y-axis followed by a reflection over the x-axis

*asked on February 10, 2016* -
## math 2

given a circle with (5,1) and (3,-1) as the endpoint of the diameter

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

intersecting lines (1 point)40¨¬ 50¨¬ •• 140¨¬ 180¨¬ 2. Which word best completes this statement? Adjacent angles are ___________ congruent. (1 point)always sometimes •• never none of these 3. Which angle is adjacent to ¡ÐAFB? angles (1

*asked on January 27, 2016* -
## Language Arts

Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d banish us – you know! How dreary – to be – Somebody! How public – like a Frog – To tell one’s name – the livelong June – To an admiring Bog! 4. What is a

*asked on January 26, 2016* -
## physics

A biophysics student measures her reaction time by having a friend drop a meterstick between her fingers. The meterstick falls 0.300 meters before she catches it. (a) What is her reaction time? (b) Estimate the minimum average speed of nerve impulses going

*asked on January 26, 2016* -
## physics

(a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100-meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a

*asked on January 26, 2016* -
## Math

Simplify 2(x+6)-9x

*asked on January 13, 2016* -
## Math

I am thinking of two two-digit numbers.they differ by 54.Both numbers are made up of the same digits, are reversed.What are the two numbers?

*asked on December 7, 2015* -
## Chemistry

Determined at which temperature is the solubility of KNO3 at 60 grams per 100 grams of water

*asked on November 16, 2015* -
## Statistics

Electricity bills in a certain city have mean $108.73. Assume the bills are normally distributed with standard deviation $10.60. A sample of 47 bills was selected for an audit. Find the 46 percentile for the sample mean. Write only a number as your answer.

*asked on October 6, 2015* -
## Statistics

The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $2,651. Assume the standard deviation is $500. A real estate firm samples 100 apartments. What is the probability that the average rent of the sample is more than $2,708?

*asked on October 6, 2015* -
## Statistics

Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of the sample is less than

*asked on October 6, 2015* -
## Math

I need help with this problem: Circle the number closest in value to 10.1 a. 9.9 b. 9.909 c. 10.99 d. 10.5

*asked on October 3, 2015* -
## Algebra 2

Can someone please help me solve this rational expression?

*asked on September 12, 2015* -
## Algebra 1

A teacher buys 50 train tickets for a school trip for a total cost of $1,200. She buys x number of student tickets for $20 each. She also buys y number of adult tickets for $30 each.

*asked on August 26, 2015*