# Posts by Anonymous

Total # Posts: 109,686

**math**

thank you ms sue

**math **

Conversions in the Metric System

**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

**Science**

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

**Science**

Please post them now.

**Science**

They are right 10/10

**Maths**

12.5

**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?

**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?

**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?

**math**

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

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

B!tch no they don't

**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?

**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?

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

Divide 4 acres in to 5 lots

**Texas History**

Bfd

**floral**

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

**geography**

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

**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

**math**

decreased 20 by double the square of -4

**Math**

B+g=1420 ' 3g/4=b/2 B=1420-g ' 3g/4=1420-g/2 B=1420-568 4×3g/4=4×1420-g/2 B=852 3g=2840-2g 3g+2g=2840 5g=2840 G=2840/5 G=568

**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 ...

**URGENT **

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

**chemistry**

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

**English**

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

**physics**

why does water show abnormal behaviour?

**science**

at 50 m

**math**

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

**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

**Chemistry**

Yes, I agree with you Jonathan.

**geometry**

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

**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?

**Information system**

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

**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.

**pyschology**

u suck balls

**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 ...

**Math**

Never I know that it is correct

**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 ...

**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‚&...

**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)

**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 ...

**Math**

chicken

**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.

**SS**

rude.. I have seen you help people more than twice.

**SS**

ok. how about b?

**SS**

Are they both D?

**SS**

I think 1. is D and 2. is not A.

**SS**

I also need help with 2. Which of the following best reflects a shortcoming of the Kellogg-Briand Pact? A. It was unable to militarily prevent Hitler from marching into the Sudetenland. B. The United States did not participate. C. The Pact could only be enacted under an ...

**SS**

1. What is true about both Germany and Italy leading up to World War II? A. Both believed they had a right to land outside of their borders. B. Both countries owed repayments for World War I. C. Both wanted revenge for WWI. D. Both wanted to transform into a leading world power.

**math**

A customer purchased a jacket for $65. This was 80% of the original price.

**math**

The number of employees at a plant continually fluctuates. One month started at 568. Then 102 employees were hired, and the next 57 employees were displaced. If the plant then plans to add 10% more employees, how many will it have?

**jk **

A ball is projected horizontally with a initial velocity 8m/s .Find its position and velocity after 1/4 second

**health**

This is the articlle I found when I searched this Question. Hope it helps! This smooth appearance starkly contrasts with the banded appearance of cardiac and skeletal muscles. Cardiac Muscle. Found only in the heart, cardiac muscle is responsible for pumping blood throughout ...

**Chemistry**

A Catalyst.

**Calculus**

Solve the initial value problem. 7x^6-3x^2+5 and u = 1 when x = 1. Is this x^7 - x^3 + 5x - 4?

**math**

walter deposits $5,000 in a bank account that pays 9% simple interest. If he doesn't change the principal, what will his balance be in 4 years?.

**Calculus**

for -3cos + 5...

**Calculus**

Solve the initial value problem. dy/dx = 3 sinx and y = 2 when x = 0. Is this c = 5?

**math**

After sales tax is added the total cost of 58.00 dollars purchade is 61.48 dollars What is the sales tax rate on the purchase?

**Chemistry**

I think you mean to say, "check your typing skills."

**Chemistry**

Which of these will have a volume of 22.4 L at STP? A) 12.01 g of C(s) B) 16.4 g of CH4(g) C) 36.46 g of HCl(aq) D) 32.05 g of CH3OH(l) E) 22.00 g of CO2(g) I am not really sure how to verify that a particular substance will be at these conditions.

**Math**

Half of a circle is shaded. The diameter is 32cm. Calculate the area of the shaded region.

**Physics**

The wavelength of the emitted light from a laser is determined by which of the following? a. the active medium's composition b. frequency of the amplifying radiation c. the lasing tube's length d. all of the above

**Math - Calculus**

Yeah, how dare I ask for clarification on something I'm trying to understand.

**Math - Calculus**

Are endpoints also critical points? I'm trying to find the critical points of a function on the interval [-1,5]. So far,the only critical point I have is 2. Does that mean -1 and 5 are also critical points?

**natural science/bio**

flow diagram of circulatory and respiratory system combined

**Physics**

How does the electrical force relate to the charge of an object? It is inversely proportional to the square of the charge. It is directly proportional to the square of the charge. It is inversely proportional to the charge. It is directly proportional to the charge.

**Physics**

Which factors affect the electrical force between two objects? mass and distance between them charge and distance between them mass and electric field strength charge and mass

**Physics**

What is stimulated emission? a. the process of distinguishing between sources of electromagnetic waves. b. the process of reducing mechanical waves' energy. c. the process of amplifying sound waves. d. producing move light waves which are coherent with an incident light ...

**@Ms. Sue**

Ms. Sue you always make problems for everyone here. You always wonder why you get so much hate.

**physics **

The efficiency of a machine is 80%. Determine the work done by a person using this machine to raise a load of 200kg through a vertical distance of 3.0 (take g = 10m/s)

**Social studies**

Yep, my Name Isn't Important is 100% correct, not a troll.

**Science**

1c 2b 3c 4b

**Math help! Hurry Please~**

is yea agala, right?

**MATH**

did anyone get the answers to this test

**MATH**

Good luck

**MATH**

Lesson 3: Function Rules CE 2015 Math 7 B Unit 3: Patterns and Rules heellllllllp

**MATH**

1. Jacob mixes the letters J, K, L, J, K, M, N, and P thoroughly. Without looking, Terry draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that K will not be the letter Terry selects? (1 point) one-fourth, 0.25, 25% three-fourths, 0.75...

**Math Calculus**

Find critical points and extreme values on the interval [-1,5]: f(x)=|x^2-4x+3|

**Math - extreme values**

Identify the critical points and find the extreme values on the interval [-1,-5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the critical points that are on the ...

**Ethics**

is it ethical to require patients to participate in a clinical trial in order to obtain, or have a chance of obtaining, an unproven but potentially life-saving treatment? Im not certain.. It would be unethical to use people in a developing country as research subjects in ...

**math**

I don't know where to start.The questions says: Give an inequality that has the given solution: a) -2 < or = X < or = 7 Am I supposed to substitute something? Or just guess an equation that might work?

**Math\**

Find the smallest number which is greater than 4444 n divisible by 8 formulas

**Math**

I brought 10 bananas.Each banana weighed 50 grams. If the price of bananas was $6.50 per kilogram, how much did i pay?

**Math - Calculus**

A piece of wire 16cm long is cut into 2 lengths, one of which is bent into a circle, the other into a rectangle with one side three times the other. a) Determine the ratio of the longer length of the rectangle to the radius of the circle if the sum of the areas of the circle ...

**6th grade math**

3(12)+5(8) = ?? Can you finish from here?

**math**

If when you solve, the x's cancel and you are left with something like 5=5 that means there are an infinite number of solutions. This means that any number you choose will work. If you are left with something false like 0 =5, then there are no solutions. 5x -15 + 6 = 5x - ...

**Probability: Combinations**

Combination because choosing Joe and Sam is the same as choosing Sam and Joe. Some might thing 6 x 5 = 30, but that is wrong because order doesn't matter as stated above. 6!/4!2!

**Math**

864 times 2

**Physics**

"The principle of superposition of waves states that when two or more propagating waves of same type are incident on the same point, the resultant amplitude at that point is equal to the vector sum of the amplitudes of the individual waves." Is the answer b?

**Physics**

When interference happens with two monochromatic light waves, which of the following is a characteristic of the amplitude of the resultant wave? a. it is zero. b. it is equal to the sum of the amplitudes of the component waves. c. less than the amplitude of either of the ...

**Social Studies HELP.**

Any answers?

**Social Studies HELP.**

10. What non-weapon tactic did the Allies use effectively against the Nazis? A. sending troops to non-combat areas to divert attention from the real target B. sending propaganda to European nations denouncing the Nazis C. sending battlefield communication in the Navajo ...

**social studies **

in what region of the united states were most of the nations cities located by 1850s

**Social studies**

Were loyalists refugees? Why or why not? In what way did their experience as farmers make life easier for them in Canada?

**Calculus**

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 6 cubic feet per minute. The diameter of the base of the cone is approximately three times the altitude. At what rate is the height of the pile changing when the pile is 22 feet high?

**SS**

D?

**SS**

Someone help this practice is difficult

**SS**

How did President Hoover’s approach toward the economy compare with Calvin Coolidge’s approach? 1. Both devoted time and government money to public assistance programs. 2. Both believed businesses should be responsible for American prosperity. 3. Hoover, unlike ...

**chemistry**

Which of the following bases is the weakest? 1)(CH3)2NH , Kb = 5.1 x 10–4 2)ClO–, Kb = 2.9 x 10–7 3)SO42–, Kb = 8.3 x 10–13 Im thinking the answer is 2, but im not100%