# Posts by anonymous

Total # Posts: 109,617

**Maths**

403?

**Maths**

Mr Lee start from her home,and goes 250m due south,then 200m due east,and finally 100 due south to a shopping mall.Find the distance between her home and shopping mall.

**Math**

Jacqui drove at 45 km at a speed of 30 km per hour. How long did the trip take?

**Math**

Five kilometres is about how many miles

**Phyisic**

a student wanted to investigate whether or not the temperature of the water would affect the solubility of sugar she had three glasses of water each with 200 ml of water in them one was at 10 c the second a 25c and the third one was at 40 c she found that the warmer water ...

**chemistry**

Calculate the mass of Mg metal requied to consume 2560g of CO2 in the reaction 2Mg+CO2 ? 2MgO + C

**Maths**

Find the equation of latusrectum is line joining the point (-3,2)and(-3,1)

**Physics **

a boy stands at a distance of 175 m from a high wall. He claps his hands and hears an echo after one second. Calculate the speed of sound in air.

**science**

a body of moss4kg moving with a uniform velocity30m/s is brought to rest in 6sec . find the force required to stop body.

**Maths**

Plz the first and last term of an AP are 79 and -5 if the sum is 814. Find A. The number of terms B. Common difference.

**Calculus**

marginal cost is the derivative of cost with x. the cost of one more at number x so integrate your function C(x) = (.001/3)x^3 - (0.5/2)x^2 + 66.5 x + k assume when x = 0, c = 0 so k = 0 (not really true because you have to set up to build the first one but you need that for ...

**Math**

Simplify: 8^2 + 9(12 / 3 * 2) - 7

**Algebra**

For babysitting, Elissa charges $3 per hour plus an additional $2 for transportation. One evening she was paid $17

**Math**

A girl spent two fifth of her monthly income for family expense, one third for charity and remaining for saving. What fraction of her income does she save?

**math **

In a quiz, team a scored -40,10 and 0;team b scored 10,-40 and 0 and team c scored 0,-40,10.which team scored better?

**Maths**

The minute hand covers one complete circle (360°) in one hour (or sixty-minutes). So by proportion, 360°/60 min. = x ° / 20 min. Cross multiply and solve for x: x=360°/60 min. *20 min. =120 °

**Math**

Can the área of a rectangle ever be itrational?

**Math**

Is this correct? 4^2 - 2(3 * 5 + 1) = -16

**Educational Technology helppppp**

he's right hayley is 3/3 correct

**school**

1) What are four suggested steps to becoming familiar with early music standards? I. Implement the music standards. II. Consult with a music specialist. III. Check to make sure the music standards are satisfied. IV. Read the music standards. V. Sign up for an in-service ...

**school**

41) When planning a music activity, teachers should I. think of a fun activity. II. know the functioning level, musical abilities and interests of individual children in the class. III. align the activity to one or more of the National Standards for Music Education. IV. ...

**school**

6) Classification relies on the ability to recognize likenesses and differences. False 7) Conservation means A) that if two sets are compared and found to be equal, when they are rearranged so they do not look the same, the child determines that the two sets are equal. B) to ...

**math**

It takes Natasha 20 min to drive to work in the morning. She drives home using the same route, but it takes 11 min longer, and she averages 6 mi/h less than in the morning. How far does Natasha drive to work?

**Math **

Remainder theorem - 4x×x×x_12×x×x+11×x_5

**probability**

David has two boxes containing shapes. In box A there are 4 stars and 2 hearts. In box B there are 2 stars and 1 heart. David takes, at random, a shape from box A and puts it into box B.He then takes a shape from box B.

**Math**

(×-23)/8=6 (×-23)= 8x6 (×-23)= 48 Transposition method (×-23)= 48+23 × = 71 (71-23)= 48 ÷ 8 = 6 And. 71 is starting number. Thanks for helping

**school**

1) Art pieces should always be discussed, and children should explain why they drew what they did. True 2) Because young children have difficulty distinguishing reality from fantasy, puppets should not be used very often in the classroom. False 3) Children could have a keen ...

**history**

What would be the negative things?

**ALGEBRA HELP #4**

jjjjjjjjjjjjjj mn hn

**math**

answer rate 20%

**math**

A person invested 1100 rs in a company at compound interest compounded semi-annually.he received rs 1331 after one year.rate% is?

**Math**

Find the length of the line segment joining the points whose coordinates are (-3,1)and(5,-5)*

**Math**

Find the length of the line segment joining whose coordinates are (-3,1) and (5,-5) (A) 10 (B) 2 radical 10 (C) 100 (D) sqrt 10

**Chemistry-Balancing equations**

Write a single, balanced equation for the formation of ozone from the high-temperature reaction of atmospheric nitrogen and atmospheric oxygen.

**Math**

Alice reads an equal number of pages of a storybook each day. After 8days, she has 5/6 of the storybook left to read. Another 4days, she has 180 pages left. How many pages are the in the storybook?

**Math**

180pages

**Math**

Alice reads an equal number of pages of a story each day. After another 4 days, she has 180 pages left to read. How many pages are there in the storybook?

**Geometry**

By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?

**Math **

Ali reads 900.pages in 2 weeks and 3 days how many pages will he read in the month of 31 days?

**Algebra**

Click on "Explain" if you need help. A dart hits the square dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular region. Each side of the dartboard is 15in , and the radius of the shaded region is 5in . Use the ...

**math**

company A sells 53 cm model tv at price of 7000 whereas another B sells same model at price of 16800rs.what is ratio of their selling price?

**math**

it costs rs 6500 to make a table.if it is to be sold for a profit of 40% after giving a discount of 13 1/3 %.find market price?

**Math**

Two kids are liars, three are telling the truth. Jane: "if onln Joey doesn't lie,then either Jane or John do" joey:"jack lies as does Jane or Julia, John: if Julia is telling the truth then Jane or joey do as well jack: If you round up Jane, Joey,and john ...

**Chemistry stoichiometry**

How many grs of H2SO4 is required to obtain 0.1 molal of 1 kg solution?

**Algebra**

I did not post that question...

**mangement**

A total ban on the import of a good from a particular country is called a/an A. embargo. B. quota. C. tariff. D. licensing agreement.

**Math**

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

**Algebra**

thank you!

**Algebra**

a=61.62

**Algebra**

c= 15.7yd a= 31.4yd^2

**Algebra**

Find the circumference and the area of a circle with diameter 5yd . Use the value 3.14 for ? , and do not round your answers. Be sure to include the correct units in your answers.

**Math**

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

**math**

A group of 50 people go to the candy store to buy candy bars. Each person buys at least one bar. The store sells two types of candy bars, Sweet and Tasty. If 45 people buy both types of Candy Bars, and 47 people buy at least one Sweet bar each, how many people bought only ...

**science**

farm machine has a velocity ratio of 12 and an actual mechanical advantage of 10.calculate the work input of the machine if it raises an 80kg load by 6m?

**math**

Louis had 135 action figures, Sam had 990 action figures and Jane had 570 action figures. after jane gave an equal number of action figures to both boys, Sam had 4 times as many action figures as Louis. How many action figures did jane have left?

**math**

Dawn and Emily each had the same length of ribbon. Both girls used their ribbons to make identical bows. Dawn made 12 bows and had 128 cm of ribbon left. Emily made 9 bows and had 176 cm of ribbon left. How many bows could Emily make with the ribbon she had left?

**Science**

Which is hotter 50 mls of 75 dgrees celcius water or 200 mls of 70 degree celcius water and why?

**Math**

A man traveled to his country home, a distance of 150 miles and then back. His average rate of speed going was 50 miles an hour and his average return speed was 30 miles per hour. His average rate of speed for the entire trip was:

**Math**

Thanks

**math**

help me if im right?

**math**

what i did ms sue a2 b6.3=c? my answer is 6.6 but he walk back from original position so I add 2+6.3 equal 8.3 feet

**math**

Three ballet dancers are positioned on stage. Noah is 6.3 feet straight behind Cassie and 2 feet directly left of Brandy. When the music begins, Noah twirls to Brandy's position, then leaps to Cassie's position, and finally walks back to his original position. How far ...

**@ Angie - math**

228 feet

**@ Angie - math**

thank you so much yes idi pythagorean theorem but im not sure if c is the looking problem but im right thans a lot

**Algebra**

(i just need help filling in the ? with the reason name) Given: Ray AC is the angle bisector of <BAD, m<BAC = 13x and m<CAD = 6x + 21. Prove: x = 3. statement: reasons: Ray AC bisects <BAD (Given) m<BAC = 13x (Given) m<CAD = 6x + 21 (?) m<BAC = m<CAD (...

**algebra**

Members of the student government are planning a movie night on campus. They have asked a random sample of students which of four movies the students would prefer. Here are the results. Movie Preferred Number of Students Movie A 24 Movie B 23 Movie C 35 Movie D 30 There are ...

**algebra**

Managers of a local shopping mall selected a random sample of shoppers and recorded the gender of each. Here are their results. Gender Number of People Male 75 Female 108 Based on this sample, how many of the next 2000 shoppers would we predict to be male? Round your answer to...

**math**

ANYONE PLEASE HELP ME TO SOLVE THIS PROBLEM

**math**

ram and shyam entered into partnership.ram invested 1/4 th of capital for 15 months and shyam claimed 2/3 of profit for how many months shyam invest?

**math**

pipe can fill a cistern 8 hrs and another pipe 10 hrs.both are opened at same time.if 2nd is closed 2 hrs before the cistern is filled up.find in what time,the cistern will be filled up?

**math**

pipe can fill a cistern 8 hrs and another 10 hrs.both are opened at same time.if 2nd is closed 2 hrs before the cistern is filld up

**math**

n/(n+3) (5 + n )/(n-1) = 2 5+n = 2 n - 2 n = 7 so 7/10

**Math**

In a box of paper clips, 3/8 of them are white, 5/12 of them are red, and the rest are blue. There are 24 more red paper clips than white paper clips. How many paper clips are there in the box?

**Marh**

In a box of paper clips,3/8 of them are white,5/12 of them are red, and the rest are blue. There are 24 more red paper clips than white paper clips. How many paper clips are there in the box?

**Algebra**

The five points A, B, C, D, and E are located on a circle, as shown below. How many line segments having two of these points as endpoints can be drawn?

**Algebra **

(I need help finding the remaining reasons for each statement in the column proof, I already know the first two) Finish the two-column Proof: If AB = 5x, BC = 2x –4, and AC = 52, then x = 8. (two column proof) AB= 5x, BC = 2x -4, AC = 52 (Given) 52 = 5x + 2x -4 (...

**Geometry**

(1) Prove: If AB = 5x, BC = 2x –4, and AC = 52, then x = 8. (2) Prove: If AB = CD, then AC = BD.

**Math**

In a box of paper clips,3/8 of them are white,5/12 of them are red, and the rest are blue. There are 24 more red paper cilps than white paper clips. How many paper clips are there in the box?

**Math**

1/2 of a rectangle is painted red. 2/3 of the remainder is painted blue and the rest of the rectangle is painted yellow. What fraction of the rectangle is painted blue? What fraction of the rectangle is painted yellow?

**Geometric progression**

Find the number of terms in G.Pgiven thatits first&last term are 5 1/3k&243k/256 respectively&that its common ratiois3/4

**Alegbra**

(I'm not too sure on how to do this type of thing) Given: Angle 2 and Angle 4 are vertical angles m?2 = 125° Prove: m?4 = 125°

**Alegbra**

Given: Angle 2 and Angle 4 are vertical angles m angle 2 = 125 degrees Prove: m angle 4 = 125 degrees

**Algebra**

A small acting club has 6 members. Three of the members are to be chosen for a trip to see a Broadway play. How many different 3 -member groups are possible?

**Algebra**

The coach of a soccer team is holding tryouts and can take only 2 more players for the team. There are 8 players trying out. How many different groups of 2 players could possibly be chosen?

**Algebra**

Sorry, I meant to ask if these were correct.

**Algebra**

need help checking Create a 2-column proof for the following equation. X + X + 10 + 2(2X + 10) = 180 X + X + 10 + 2(2X + 10) = 180 (Given) 2X + 10 + 2(2X + 10) = 180 (Simplify) 2X + 10 + 4X + 20 = 180 (Expand) 6X + 30 = 180 (Simplify) 6X = 180 - 30 (Subtract) 6X = 150 (...

**Algebra**

A company's board of directors wants to form a committee of 3 of its members. There are 4 members to choose from. How many different committees of 3 members could possibly be formed?

**algebra**

Miguel has 6 CDs that he is going to give away. He lets his best friend choose 3 of the 6 CDs. How many different groups of 3 CDs are possible?

**Algebra**

A small acting club has 6 members. Two of the members are to be chosen for a trip to see a Broadway play. How many different 2 -member groups are possible?

**school**

is 1,2,3 the correct answer for number 13?

**school**

13)1,2,3

**school**

4)All of the above 13)2,3,4 16)1,3,4

**school**

1) A great way to teach math is through children's everyday experiences. Answer:True 2) Children can use words they have never had experience with or heard before. Answer:False 3) Children with limited experiences have limited language ability with regard to semantics or ...

**School**

So the correct answer is true right?

**School**

There is very little relationship between language and thought. Answer: False

**school**

Teachers should avoid showing children written images until they are able to read. Answer: False

**Geometry**

Using the Law of Syllogism 1. Using the Law of Syllogism create (write) as many new conditionals as possible using the following conditional (true) statements. • (If a dog is a gazehound, then it hunts by sight.) If it hunts by sight, then it is a gazehound If it is not a...

**Algebra**

The coach of a soccer team is holding tryouts and can take only 3 more players for the team. There are 5 players trying out. How many different groups of 3 players could possibly be chosen?

**Physics**

From the ideal gas law, calculate the volume per helium atom in a litre of helium gas kept at room temperature and atmospheric pressure. Additionally, calculate the length of the side of a cube with this volume.

**Physics**

A gun of mass 0.1kg has a bullet of mass 0.1kg,the bullet laves the piston when fired at a velocity of 200m/s. Find the final velocity. (a) 20m/s (b) 23m/s (c) 30m/s (d) 45m/s (e) 15 m/s Please kindly help me with the questions I posted. Thank you