Thursday

January 19, 2017
Total # Posts: 104,047

**social studies**

If I were in Antarctica during the winter will it be warmer in summer

*January 4, 2017*

**American Government**

1. A, B, D, E 2. C 3. D

*January 4, 2017*

**American Government**

In our New England state we have for example Essex County. It contains the City of Gloucester and other cities as well as towns like Rockport, Manchester by the Sea, Hamilton.....

*January 4, 2017*

**American Government**

my answer to 3 would also have been A

*January 4, 2017*

**American Government**

cities have mayors, counties do not

*January 4, 2017*

**Physics**

velocity ratio of 5 implies a distance ratio of 5 5 * 0.40 m = 2 m work done by arms = 60*2 = 120 Joules work done by lift on mass = 25*9.81*0.20 = 49.05 Joules loss in energy = 120 - 49 = 71 Joules

*January 4, 2017*

**mathematics**

Solve the equation: 4x squared-24=16x,4x-12(12raise to the power of x)+32=0

*January 4, 2017*

**mathematics**

To what value does the sum 20+12+36/5 tend as n.I really don't have any idea.

*January 4, 2017*

**am I right ? or no?**

i am not correct

*January 4, 2017*

**am I right ? or no?**

try it on your calculator :)

*January 4, 2017*

**am I right ? or no?**

.99999....^t ---> smaller and smaller 1.000001^t ---> bigger and bigger

*January 4, 2017*

**Health**

I'm not telling youuuuuu

*January 4, 2017*

**Health**

i know them but.

*January 4, 2017*

**Health**

1. D 2. A 3. A I stil don't know the rest! HELP MEEEEEEEEE

*January 4, 2017*

**Maths**

If a wire is bent into a square ,it's ara is 49cm2. If it is bent into a semi -circle , what will be its radius

*January 4, 2017*

**Math**

I bought three times as many erasers as pens and spent $155 in total. I spent $65 more on the pens than the erasers. Given that 's pen cost $1.90 more than an eraser, find the cost of a pen.

*January 4, 2017*

** Algebra**

23 is subtracted from 4 times of a number the result is equal to 1/3 of 54.Find the number?

*January 4, 2017*

**physics**

A small tiny nail may Pierce an inflated Tyre and remain there without pressure reduction.explain

*January 4, 2017*

**physics**

zero If there is no motion, no work is done.

*January 4, 2017*

**Math;);)**

please guys I need help I am stuck on this problem

*January 4, 2017*

**Math;);)**

Show that there are at least two ways to calculate the angle formed by the vectors [cos 19, sin 19] and [cos 54, sin 54].

*January 4, 2017*

**Physics, math, algebra**

How long will it take a sled to reach the bottom of a hill, if it accelerates at 5.60m/s^2 and has a final velocity at the bottom of the hill of 42.3km/h?

*January 3, 2017*

**Math**

Write a division equation that has a solution of -9/14

*January 3, 2017*

**Physics11 A**

No I haven't yet. How far along are you on it?

*January 3, 2017*

**Physics11 A**

Hi, I'm in the same physics class as well and need help with it too. I'm lined up to get help from a tutor. Did you complete it yet?

*January 3, 2017*

**Physics11 A**

I am not asking for answers. I am asking for help on my school work, which is exactly what this website is for. It's alright if you can't help me though. Thanks for the concern anyhow!

*January 3, 2017*

**Physics11 A**

CA students help! Did anyone do the Conservation of Mechanical Energy Lab in Unit 3 Lesson 3? I am very confused on what to do or how I would write a report on it. Please help!

*January 3, 2017*

**Math**

Asked to simplify the expression sin(180Ã¢Ë†â€™ÃƒÂ¨), Rory volunteered the following solution: sin(180Ã¢Ë†â€™ÃƒÂ¨) = sin 180Ã¢Ë†â...

*January 3, 2017*

**biology**

1. The table in Figure 12-3 showes the results of measuring the percentages of the four bases in the DNA of several different organisms. Some of the values are missing from the table. Based on Chargaff's rule, the percentages of guanine bases in chicken DNA should be ...

*January 3, 2017*

**math**

Okay thank you!! the signs confused me

*January 3, 2017*

**math**

7x-3x = 4x

*January 3, 2017*

**math**

How did you get 4x

*January 3, 2017*

**math**

7x-4-3x=2x+10

*January 3, 2017*

**math**

dont know mate

*January 3, 2017*

**Math**

why 573.7

*January 3, 2017*

**Math**

Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.

*January 3, 2017*

**Math**

Alright Ms. Sue chill out- no need to be calling anyone names here. Thought you were all about being a positive influence to people? There is a nice way to talk to people and encourage them to find the answers on their own, and that's not it. She's a 6th grader, and ...

*January 3, 2017*

**Physics **

when tuning a piano, amusician plays a note that should be at 110Hz while at the same time tapping a 110Hz tuning fork and holding it next to the strings. He hears beats at 4Hz. (A) state and explain what frequencies the piano could be producing (b) explain how the musician ...

*January 3, 2017*

**Math**

The difference between two whole numbers is 15. One of the numbers is 1. There are two possibilites for the second number. What are they?

*January 3, 2017*

**Science**

Depletion of what has been halted by a ban on the manufacturing of what

*January 3, 2017*

**English 6th**

Dissection sentences according to part of speech

*January 3, 2017*

**Math**

f(x)=(1+x)/(1-x),g(x)=x/(1-x), find the simplest form of f[g(x)] and state the domain. My work: (1+ (x/(1-x)))/(1-(x/(1-x))) (1+x)/(1-x)/(1-x)/(1-x)

*January 3, 2017*

**math coordinate geometry**

Find the 3rd vertex of a triangle ABC.If 2vertices are A(-4,3),B(4,3)and its centroid is at orFind. Find 3rd.

*January 3, 2017*

**Math**

B and 19-B B+2 = 2(19-B) B+2 = 38 - 2 B 3 B =36 B = 12 then 19-B = 7

*January 3, 2017*

**math**

the difference between two whole number is 26 and one number is three times the other then the smaller number is..........my work x-y=26,3x_y=26

*January 2, 2017*

**MATH**

10^(log10 A) = A = 10^4 = 10,000

*January 2, 2017*

**science**

The Hoover dam is a hydroelectric power plant that converts the energy of falling water into electricity. Which of the following determines the amount of potential energy of the water stored in the reservoir of the dam? Choose all that apply. A.the electric potential energy of...

*January 2, 2017*

**Algebra**

Thank you Reiny for helping I was having trouble solving these problems.

*January 2, 2017*

**math**

cost= .18 per minute x 60 minutes

*January 2, 2017*

**Statistics**

Add a carnival, you play ring toss game 30 times. It's only a dollar to play, and your chances of winning the five dollar prize are advertised at 15%! What are your expected winnings?

*January 2, 2017*

**Maths**

the value of a machine depreciates every year by 5% .if the present value of the machine is 100000 ,find the value after 2 years

*January 1, 2017*

**Math**

Use the table below to evaluate the d/dx[g(f(3x))] at x = 1. x 1 2 3 4 f(x) 6 1 2 2 f ?(x) 6 1 10 2 g(x) 1 4 4 3 g ?(x) 4 5 7 –4 My work: D/Dx(g(f(3x)))= g'(f(3x)) * f'(3x) * 2 D/dx (g(f(3*1)))) g'(f(3*1))*f'(3*1) *2 4*3*2=24 I know 24 isn't the right ...

*January 1, 2017*

**physical science**

if the acceleration is constant (In other words if velocity is proportional to time)the final speed is twice the average speed. Vfinal = 2 (107/26) m/s

*January 1, 2017*

**math**

To what value does the sum 20+12+36/5---tend as n.

*January 1, 2017*

**chemistry**

Name two metals which are obtained by reducing thier oxides by heating with aluminium How is the metal oxides present in calcined/roasted ore reduced to the metal

*January 1, 2017*

**chemistry**

Name two metals which are obtained by reducing thier oxides by heating with aluminium How is the metal oxides present in calcined/roasted ore reduced to the metal

*January 1, 2017*

**math**

Draw a parallelogram of diagonals 5cm and 7 cm and one angle as 60 degrees

*January 1, 2017*

**science**

water?

*January 1, 2017*

**math**

length 60cm,breadth45cm,volume 54dm find height

*January 1, 2017*

**Math**

3x + 5x + 7x = 45 15x = 45 x = 3 A = 9 B= 15 C = 21 9(7) + 15(10) + 21(13)=486 486/45 = cost/kg 10.8 cost/kg for the mix.

*December 31, 2016*

**Chemistry**

Iron+CON Hydrochloric acid =?

*December 31, 2016*

**english**

I can't seem to find the relative clause in this sentence, can someone help me? Thanks. "Fables that were written by Aesop usually feature speaking animals."

*December 31, 2016*

**Math**

All five members of the Malone family went to the movies their tickets cost a total of $30 how was each ticket

*December 30, 2016*

**Algebra**

X nickels. (28-x) dimes. 5x + 10(28-x) = 260 cents. X = ?.

*December 29, 2016*

**Math Trigonometry**

An airplane is flying between two towns at an altitude of 8km. One town is to the west of the plane and the other is to the east. The angle of depression to one town in de34grees and to the other town is 49degrees. What is the distance between the two towns

*December 29, 2016*

**Language Arts**

I am writing a poem and my teacher told me not to use secondary pronouns like you and your. Does anyone know how I can replace those words?

*December 29, 2016*

**science**

w YoState, most of the surface bedrock was formed as a result of which process? a. deposition of sediments into a vast of sea. b, folding of non sedimentary rock. c. metamorphism of sedimentary rock. d. intrusion of magma into sedimentary rock.

*December 29, 2016*

**Math**

Whats x to the 3 y to the 6 divided by x to the 3 and y to the 6?

*December 29, 2016*

**asthmatics**

Find the volume of the wood required to make an open box of internal dimensions 20cm by 12.5cm by 9.5 cm.the wood being 1.5cm thick.

*December 29, 2016*

**Math**

A copper solid cylinder of radius 14cm and height 10cm is melted and recast into cylindrical wire of diameter 4mm.find the length of the copper wire

*December 29, 2016*

**Riddle**

What has eighty eight keys, can't open a door

*December 29, 2016*

**Science**

What will be the final temp of the ice of 20g when it is heated to 1600 Cal

*December 29, 2016*

**Calculus**

How do I find the limit of x/x as x approaches 0?

*December 28, 2016*

**maths**

One hundred and twenty five cubes, each of side 1cm, are placed on a table to form a solid cube. The length of the edge of the cube in (cm) is A) 5 B) 25 C) 125 D) 1 please explain how you got the answer, thanks.

*December 28, 2016*

**Math**

By selling a watch for rupees 475, jatin suffer a loss of 5percent. At what price should he sell the watch so as to gain 12 percent

*December 28, 2016*

**Math**

I saw MRP of rs 15.50 of biscuit. What does it mean?

*December 28, 2016*

**Math**

the sum of two numbers is 30. the difference of their squares is 180. find the two numbers by elimination method

*December 28, 2016*

**English**

Write an interesting story based upon the title the tiger who came to visit me in about 150to 200words

*December 28, 2016*

**Analysis**

Which of the following words is least like the others rotator,deified,racecar,alright

*December 27, 2016*

**Math**

4 students did work for me making $5 an hour working 6 hours a day for 12 weeks. 1 student worked for 4 weeks and one student quit after 8 weeks. 2 students worked 12 weeks. What is the total amount for all students?

*December 27, 2016*

**trig prove plz anyone help**

41

*December 27, 2016*

**Math**

Find the number of years needed to realize a total interest of $5000 if the principal saved is 10000 at a simple interest rate of 10%

*December 27, 2016*

**math**

A car moving with the speed of 22 decmetre per second find the diametre of the wheel if it performs 700 revolutions per second

*December 27, 2016*

**math**

Marie bought 8 pounds of applesbfor 0.82 per pound and paid for them with a ten dollar bill. How much should she get back in change

*December 26, 2016*

**Math**

Suppose there are B books and T tables If he puts 9 books on each table he will have two tables left vacant. B = 9(T-2) If he put 6 books on each table he will have 3 books left over. 6T+3 = B 6T+3 = 9(T-2) 6T+3 = 9T-18 21 = 3T 7 = T 6T+3 = 6(7)+3 = 42+3 = 45 = B So there are ...

*December 26, 2016*

**Math**

Which of the following ratios is not equivalent to the other two?

*December 26, 2016*

**Chemistry**

Discuss the expansion of an ideal gas and changes in thermodynamic properties (3 marks)

*December 26, 2016*

**corrections**

Most state correctional systems leave the majority of correctional problems in the state to units of local government, concerning themselves instead with the principal institutions and

*December 25, 2016*

**solar homework**

We have discussed that a bare crystalline silicon surface contains many defects which act as SRH recombination centers. How can the surface recombination at the air/n-silicon interface be reduced? Note that you can mark more than one answer. By decreasing the doping of the n-...

*December 25, 2016*

**Maths**

A {19} B {27} C {17} D {34}

*December 24, 2016*

**mystery**

There are 15 students on a yearbook committee. 40% of the students are females. How many students on the committee are males?

*December 23, 2016*

**mystery**

18% of what number is 63?

*December 23, 2016*

**mystery**

16% of what number is 17?

*December 23, 2016*

**mystery**

45% of what number is 17.1?

*December 23, 2016*

**mystery**

42% of what number is 0.21?

*December 23, 2016*

**HELP PLEASE**

Write a translation rule that maps point D(7,-3) onto point D'(2,5). I though it told you left, right, up or down, how do I figure this out?

*December 23, 2016*

**trigonometry**

if secA-tanA =10 than sinA =?,cosA =?,secA =?

*December 23, 2016*

**physics**

What should be the minimum initial velocity with which a missile has to be launched so that it reaches a target of 1000km away in the same plane

*December 23, 2016*

**math**

0Âºâ‰¤Aâ‰¤90Âº and 3tan2A = 2tanA + 1

*December 22, 2016*