# Posts by Anonymous

Total # Posts: 106,712

**Math - Trigonometry**

A, B and C are three towns, the bearing of B and C from A being 295° and 205°, and their distances from A are 280km and 800km respectively. Find the bearing of C from B to the nearest minute.

*March 17, 2017*

**Math - Trigonometry**

Standing on top of a building 42 m high, an observer sights two objects at P and Q on opposite sides of the building. The angles of depression from the observer to P and Q are 23° 18' and 35° 33' respectively. What is the distance between P and Q to the nearest...

*March 17, 2017*

**Math - Trigonometry**

Ok, I know how to do this question, but I just don't get the apostrophe after 15. Supposedly, it means seconds but I don't know what that has to do with this.

*March 17, 2017*

**Math - Trigonometry**

The diagonal of a rectangle of width 3.8, makes an angle of 32° 15' with each of the longer sides. Find the length of the diagonal, and the length of the rectangle. Im not sure how to picture/draw the shape, which in term will tell me if it is cos, sin or tan. Also ...

*March 17, 2017*

**Math**

area of a rectangle is length times width and 3/4 mile is width

*March 17, 2017*

**physical science**

2.0x10^19-protons is net electric charge since electrons are negative and protons are positive.Is the protons given also?

*March 17, 2017*

**math**

2/3=4/6 and 1/6=1 drop

*March 17, 2017*

**math**

in cooking 1 drop equal 1/6 of a dash. if a recipe calls for 2/3 of a dash, how many drops would that be.

*March 17, 2017*

**Math**

half of 4 is 2 and 4 1/2 is 2 1/4

*March 17, 2017*

**Math**

What is half of 4 and 4 1/2

*March 17, 2017*

**English**

dancing is an action verb not an adjective. Dance could be a noun or adjective depending what is used, so the first one is correct since its describing classes.

*March 17, 2017*

**world history**

how was the roman empire latinized? how did roman culture and politics spread?

*March 16, 2017*

**Math**

I have a rectangle with a semicircle on each end.the area of the rectangle is 5500 sqare meters. What is the perimeter of the track

*March 16, 2017*

**economics**

explain the role of moral considerations in policy selections

*March 16, 2017*

**Math**

I need some help on this function rule question please. 8.) Find the function rule. x: -2 -1 0 1 2 y: 9 4 -1 -6 -11 I'm having a really hard time figuring this out. Thanks to anyone that helps:)

*March 16, 2017*

**LA**

which line in the river poem contains a simile

*March 16, 2017*

**Chemistry**

You dissolve 2.35 g of sodium carbonate (Na2CO3) in sufficient water to produce a final solution volume of 100.0 mL. Assuming all of the solid dissolves, calculate the solution pH.

*March 16, 2017*

**Calculus**

How do you use u-substitution with 20sin(x^2/35)?

*March 16, 2017*

**Maths**

A car travels 240 km in 2 hours. How long will it take to travel 600 km at the same speed?

*March 16, 2017*

**Physics**

Given that charge of the electron is 1.6 x10^-19 C,What is the energy gained by the cathode ray particle when a voltage of 800 volts is applied between the electrodes of a cathode ray tube

*March 16, 2017*

**physics**

The answer is 22.3m for the maximum height.

*March 16, 2017*

**maths**

show that the radius of right circular cylinder of maximum volume that can be inacribed in a sphere of radius 18cm is 8?6

*March 16, 2017*

**probability **

Paul is vacationing in Monte Carlo. On any given night, he takes X dollars to the casino and returns with Y dollars. The random variable X has the PDF shown in the figure. Conditional on X=x, the continuous random variable Y is uniformly distributed between zero and 2x. ...

*March 16, 2017*

**algebra**

George goes to the supermarket to buy some canned tomatoes to make salsa for a party. The cans are on sale for $0.95 each. He has $4.75. Let x represent the number of cans that he can buy. Write the equation that models this situation.

*March 16, 2017*

**basic math**

how to write forty five thousand three hundred twelve

*March 15, 2017*

**math**

Thank you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:))):):):)))))))):):):):):):):):):):):D:D:D:D:D:D:D:D:D:D:D:D:D I seriously just guessed!

*March 15, 2017*

**math**

not sure. All I got was a line with 42 ft with a dot in the middle

*March 15, 2017*

**math**

find the circumference of the circle round to the nearest foot. it is 42 ft I got a but I'm not sure. A.132ft B.264ft C.1,320FT D.2,640FT

*March 15, 2017*

**Science**

How are the primary pigments related to the primary colors? The primary pigments are: A. Complementary to the primary colors B. Associated with the primary colors C. Unrelated to the primary colors Is the answer A?

*March 15, 2017*

**Math**

If the scale had been 2/3 inch: 4 feet , how many inches longer would the scale drawing of Quinta's bedroom have been?

*March 15, 2017*

**AP Physics**

A block and a spool have the same mass, and are each pulled across a level, frictionless surface by a string, as shown to the right. The string pulling the spool is wrapped around it many times, and the other string is fastened to the center of the block. Both hands pull with ...

*March 15, 2017*

**Language Arts**

In what marking period was Melinda suicidal. In the book Speak And please do not give me links to other sites.

*March 15, 2017*

**Physics**

A block and a spool have the same mass, and are each pulled across a level, frictionless surface by a string, as shown to the right. The string pulling the spool is wrapped around it many times, and the other string is fastened to the center of the block. Both hands pull with ...

*March 15, 2017*

**Physics**

A potter’s wheel with rotational inertia 24 kg m2 is spinning freely with no friction at 50 rpm. A piece of clay is dropped from above the wheel and sticks 0.5 m from the center of the wheel. Afterward, the rotational speed of the wheel and clay has dropped to 48 rpm. The...

*March 15, 2017*

**Physics**

The game of Jacks is played with pieces like those shown to the right, consisting of four small spheres at the ends of two perpendicular rods of length L and mass M. The piece is spun as shown about an axis through the third perpendicular rod of length L and mass M. Assume ...

*March 15, 2017*

**Physics**

A wheel with rotational inertia I initially rotates with a angular speed ?i . A torque is applied, speeding the wheel up to three times the angular speed in time ?t . A) Find the magnitude of the applied torque. B) Find the work done on the wheel during this time.

*March 15, 2017*

**Physics**

A hamster sits 0.10 m from the center of a lazy Susan of negligible mass. The wheel has an angular velocity of 1.0 rev/s. How will the angular velocity of the lazy Susan change if the hamster walks to 0.30 m from the center of rotation? Assume zero friction and no external ...

*March 15, 2017*

**Science**

post.

*March 15, 2017*

**Science**

V1 = -45 m/s. V2 = 30 m/s. a = (V2-V1)/t = (30-(-45))/1.2 =

*March 15, 2017*

**English**

In the poem silk weed which line from the exact rhyme with each other

*March 15, 2017*

**english answer check please, 4 questions**

1. To plan your time for a research project, it is best to (1 point) divide the time spent on each step evenly. keep your deadlines flexible. start at the beginning and plan from there.***** work backward. 2. Which of the following is not a guideline for choosing a research ...

*March 15, 2017*

**Science**

The image above shows the movement of a wave over three seconds. What is the frequency of the wave? A. 2 hz B. 5 hz C. 1 hz D. 3 hz

*March 15, 2017*

**World History**

Did you finish the test? What were the answers?

*March 15, 2017*

**World History**

Did you finish the test? What were the answers?

*March 15, 2017*

**English **

The students elected him secretary.

*March 15, 2017*

**physics help**

A 1.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an acceleration of magnitude a=3.2m/s2, as shown in (Figure 1) . a<__________ box _________>v What is the coefficient of kinetic friction between the block and the surface? Express your answer to...

*March 14, 2017*

**History**

A C D B B B A D A C

*March 14, 2017*

**Science**

Which of the following boxes below represent a stable system? Describe how a disturbance to this box would affect it. Use the terms center of mass and equilibrium in your response. Box A: Shaped like a diamond on a flat surface with an arrow pointing downwards. Box B: A square...

*March 14, 2017*

**physics **

A 9.8-kg monkey hangs from a rope, as shown in (Figure 1) . The tension on the left side of the rope is T1 and the tension on the right side is T2. In the figure, ?=15? and ?=23?. Determine the tension T1. Express your answer to two significant figures and include appropriate ...

*March 14, 2017*

**physics**

please help The pulley system shown in the figure is used to lift a m= 67-kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume the masses of the chains, pulleys, and ropes are negligible. ...

*March 14, 2017*

**physical science**

dsf

*March 14, 2017*

**Math**

C is correct Solution: 19/25*25000=19000

*March 14, 2017*

**algebra**

-1/5x+5/2=11/5

*March 14, 2017*

**math**

Given: ?ABC is isosceles m?ACB = 120° m?BMC = 60° CM = 12 Find: AB is it 15?

*March 14, 2017*

**Java**

Which of the following classes best represents rare and serious internal system errors? Error Throwable RuntimeException Exception I think it may be Error or Throwable. Been having alot of trouble with this class lately, help would be appreciated. ~Thank you.

*March 14, 2017*

**math**

A frame is 4in. tall and 3in. wide. It it is enlarged to a height of 16in., then how wide will it be?

*March 14, 2017*

**math**

3 in. wide

*March 14, 2017*

**math**

A frame is 4in. tall in wide. If it is enlarged to a height of 16in., then how wide will it be?

*March 14, 2017*

**math**

thank you ms sue

*March 14, 2017*

**math **

Conversions in the Metric System

*March 14, 2017*

**math **

the scale of a map is given as 1:20,000 two cities are 5cm apart on the map. find the actual distance between them

*March 14, 2017*

**Science**

It can't be water.Let's say it's 70% by human and 30% by wind.

*March 14, 2017*

**Social Studies**

Hey! tHANKS! i NEEDED HELP WITH THAT SAME q! GRACIAS!

*March 14, 2017*

**Social Studies**

Which of the following is no longer allowed in the Atlantic Provinces? cod fishing fishing aquaculture fish processing I think it's cod fishing, but not sure???

*March 14, 2017*

**Science**

Please post them now.

*March 14, 2017*

**Science**

They are right 10/10

*March 14, 2017*

**Maths**

12.5

*March 14, 2017*

**Maths**

There are 2 towers that are each 10m high.Â A rope that is 15m long is strung between the tops of the towers.Â At its lowest point the rope sags 2.5m above the ground (see schematic diagram).Â How far apart are the towers?

*March 14, 2017*

**Maths**

Water is flowing at a rate of 15 km/hr through a cylindrical pipe of radius 7cm into a rectangular tank which is 50m long and44m wide. In how many hours will the water level in the tank raise by 21 cm?

*March 14, 2017*

**physics**

a point mass of 12.5 kg is hung from an 18.3 m long rope and swings back and forth with an amplitude of 2.34m. what is the oscillation period for the pendulum system?

*March 14, 2017*

**math**

* What is the average of the first n positive even numbers?

*March 14, 2017*

**Math help! Check my answers ASAP!**

B!tch no they don't

*March 14, 2017*

**Math**

The telephone prefix for a university is 243. THe prefix is followed by four digits. How many telephones are possible before a new prefix is needed?

*March 14, 2017*

**math**

Mieko practice shooting a basketball for 7/10 of her total practice time. During the other time she practiced dribbling, if she practiced dribbling for 18 minutes, how many minutes did she practice shooting?

*March 14, 2017*

**Divide 4 acres in to 5 lots how much is that **

Divide 4 acres in to 5 lots

*March 13, 2017*

**Texas History**

Bfd

*March 13, 2017*

**floral**

During which month would you have the most time to devote to freelance floral projects? A. October B. September C. November D. December

*March 13, 2017*

**geography**

What type of economy does each statement describe? Select C for Command economy. Select M for Market economy. Select T for Traditional economy.

*March 13, 2017*

**Physics **

Three charges lie along the x axis the positive charge Q1 = 4mC is at X=2m and the postion of postive Q2 = 8uC is at the origin Q3 is placed on the x axis what is the sign on Q3 and why

*March 13, 2017*

**math**

decreased 20 by double the square of -4

*March 13, 2017*

**Physics**

One guideline for how diffraction affects shadows is that distinct shadows are created if the width of something is a minimum of 10 times greater than the wave’s wavelength. What would be the narrowest width of something to make a distinct shadow with blue light of ...

*March 12, 2017*

**URGENT **

Four consecutive integer numbers add to 2. What are the numbers?

*March 12, 2017*

**chemistry**

What of this: CaCO3+H2=>Ca(OH)2+CO.

*March 12, 2017*

**English**

This might look funny and foolish but i seriously need answer.Can someone give the scientific definition of food?

*March 12, 2017*

**physics**

why does water show abnormal behaviour?

*March 12, 2017*

**science**

at 50 m

*March 12, 2017*

**math**

circumference = 2 pi r = 20 pi cm 20min/60min = 1/3 so (1/3)20 pi = (20/3) pi cintimeters

*March 11, 2017*

**math**

the minute hand of a clock is 10 cm long. through what exact distance does the tip move between 12p and 12:20 pm

*March 11, 2017*

**Chemistry**

Yes, I agree with you Jonathan.

*March 11, 2017*

**geometry**

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n)=-2+(n-1)(-2.2)

*March 11, 2017*

**math**

at a party there is an equal number of boys and girls. One quarter of the boys have part-time jobs. Twice as many of the girls have part - time jobs. Altogether 30 of those present are without part-time jobs. Let x be the number of boys in the party?

*March 11, 2017*

**Information system**

- is videos conferencing really a viable green alternative to travel for most...

*March 11, 2017*

**Math**

Graph the function Identify the vertex and axis of symmetry f(x)=2x^2 + 4x +1 please explain steps I need to do. I keep looking at notes and just can't grasp any of it. Failing math not sure how to start again. I think I missed something major.

*March 11, 2017*

**Physics**

One guideline for how diffraction affects shadows is that distinct shadows are created if the width of something is a minimum of 10 times greater than the wave’s wavelength. What would be the narrowest width of something to make a distinct shadow with blue light of ...

*March 10, 2017*

**Math**

Never I know that it is correct

*March 10, 2017*

**computer programming**

import java.util.Scanner; public class Names { public static void main (String[]args) { //declare variables String firstName, String middleName, String lastName, String monogram; // Create a scanner class Scanner input = new Scanner (System.in); System.out.println("Enter ...

*March 10, 2017*

**physics**

The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.50 Ã‚ÂµC; the other two have identical magnitudes, but opposite signs: q2 = -5.50 Ã‚ÂµC and q3 = 5.5 Ã‚&...

*March 10, 2017*

**Physics**

F – to the right F=3700 N F(fr) to the left F(fr) =189 N mg – down mg=4700•9.8=46060 N N – up N=mg=46060 N F(net) =F-F(fr)=3700-189=3511 N ma=F(net) a=F(net)/m=3511/4700= 0.74 m/s² a ?if F(net)? or a? mg (action) N (reaction)

*March 10, 2017*

**Language Arts**

"I'd wash the Amazon river and clean the oily Carib & Gulf of Mexico, Rub that smog off the North Pole, wipe up all the pipelines in Alaska, Rub a dub dub for Rocky Flats and Los Alamos, Flush that sparkly Cesium out of Love Canal" In this excerpt, Ginsberg uses ...

*March 10, 2017*

**physics**

A positive and a negative charge, each with a magnitude of 1.41 x 10^-5 C, are separated by a distance of 0.44 m. Find the force on each of the particles.

*March 10, 2017*