# Posts by May

Total # Posts: 412

**Math**

While at the beach, dasha uses this bucket to make a sand castle. She fills the bucket 8 times with wate. How many liters of water does she use? Write an equation to solve.

**Math**

there is a track next to the barbecue area the track is 1/4 mile long. a group of students have a relay race. they run around the track 4 times. draw a number line to show how many miles the students can. use 0 and 1 as points on your number line. divide the number line into ...

**Math**

Mrs. Lin brings 6 trays of hamburger buns to the barbecue. 2/3 of the trays have wheat buns. How many of the trays have wheat buns? Draw a diagram to solve the problem.

**Math**

Write a word problem in which the starting number is in hundreds and the answer is 4 tickets were left over.

**Math**

carlos can throw a ball 14 yards . His friend raul can throw 3/7 of that distance. Is rauls throw longer or shorter than 14 yards? Now find the exact length of Raul's throw.

**Geography**

What is the benefits of supporting an expedition

**Math**

The Rosana family decided to put in a patio and a garden in their backyard. The next part shows a rectangle with a base of 8 and height of 4. It also has about 1/3 of the rectangle shaded and is labeled "Garden" I tried multiplying 4 x 8, then dividing by 3, because ...

**Health**

Thanks! "I am awesome" is correct! I wasn't sure on some answers.

**Math**

What is 6th to the 7th power?

**Math**

Explanation By solving this problem, you use subtraction to get the result. The result will be the amount of change you receive back from paying with a 20 dollar bill. Subtract $9.50 by $20.00 20.00 - 9.50 ------- 10.50 Final Answer: The amount of change that the costumer will...

**Social Studies**

Essay Question What role do women play in the economy of West and Central Africa? (Any ideas?) (My ideas:produce and sell handicrafts in local markets)

**Chem**

oh wait. I set up the equation 0.26=(x^2)/(8.913-2x). my x=2.032476713 then I used the % decomp equation and got...0.45607017 so 45.6%

**Chem**

Yes, but what do I put in for x? That's were I got stuck.

**Chem**

If the initial pressure of HD(g) is 8.913 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.26. The initial pressure of the reaction products is 0 atm. 2HD(g) = H2(g)+D2(g) So I...

**Social Studies**

@teacher The purpose of this website is to get help. Students can get stuck on questions and need assistance. Receiving answers and explanations is a way of learning on here. Calm down!

**Language Arts**

When I turned it in, my answer was wrong. The quiz said that the correct answer for Part A is B

**Language Arts**

Part B is correct.

**Language Arts**

I turned it in. The correct answer for Part A is B.

**Language Arts**

"The Third Wish" Quiz 1. Part A What internal conflict does Leita face in "The Third Wish"? -Leita enjoys being Mr. Peter's wife, but she deeply misses being a swan** -Leita is unhappy with the old King for turning her into a human -Leita does her best ...

**general biology**

Describe how an organism broken down into smaller components?

**Math**

In a right angled triangle, the length of a hypotenuse is 10 cm. Of the two shorter sides, one side is 2 cm longer than the other side. i) Find the lengths of the two shorter sides. ii)Hence, find the area of the triangle.

**math**

place value of 2.435

**math**

The second term of an arithmetic progression is 8 and the eleventh term is -10 Find the first term, the common differrnce and sum to 15 terms

**math**

in the 6th grade 12 out of 27 students have a pet. if there are 162 students how many would have a pet? i get 72 is that right?

**math**

evaluate |-8| + |2|

**math**

what is the height?

**math**

the volume of a prism is 56cm^3 if the length is 7cm and the width is 4 cm what should be the height?

**math**

A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of next month’s ...

**math**

. At a concert, 20% of the audience members were teenagers. If the number of teenagers at the concert was 360, what was the total number of audience members?

**math**

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator how do i get the answer

**math**

A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator?

**math**

ronald reads 1,000 words in 5 minutes how do i write as a unit rate? i get 200 is that right?

**math**

a pancake recipe calls for .75 cups of flour. Linda is making 5 batches. she already has 2.5 cups of flour how many more cups does she need?

**math**

a pancake reciipe calls for .75 cups of flour. Linda is making 5 batches. she already has 2.5 cups of flour how many more cups does she need?

**math**

so is it 200?

**math**

ronald reads 1,000 words in 5 minutes how do i write as a unit rate?

**Math**

A farmer wants to plant 80 acres of corn a soybeans in a ratio of 7 to 9. How many acres of each must he plant?

**Math**

Genny babysits for two different families. One family paints her $6 an hour and a bonus of $20 at the end of the night. The other family pays her $3 every half hour and a bonus of $25 at the end of the night. Write and solve the system of equations that represent this ...

**Algebra**

Nabuko practice the violin at lest 12 hours per week. She practice for three fourths an hour each session. If Nabuko has already practiced 3 hours in one week, how many sessions remain to meet or exceed her weekly practice goal?

**Math**

Scratch that, I understand. Thank you!

**Math**

I still don't really understand.. Sorry....

**Math**

I still don't really understand.. Sorry....

**Math**

Oh!! Sorry; forgot to say what the objective is.. I'm supposed to simplify, but I'm not sure how to distribute the two and everything..

**Math**

2(x-y)-(x+y) I have been stuck on this problem for ages.. Please help!!

**science**

Which of the following are psychological characteristics that Beatrice Whiting and John Whiting found to crosscut cultural boundaries

**science**

I'm thinking it would be 3 not 1. Because when 2 marbles collide A stops B goes.. Hoped this helped ;)

**maths**

8*2=length 8+8+L+L=p Hope that helped ;)

**Science**

*NEED HELP ASAP* TIA Hi everyone! If you could help me I would really like that! Question: Suppose the moon rotated on its axis just as quickly as Earth. Would you still always see the same side of the moon from Earth?

**Pysics**

An airplane flies 400 km west from city A to city B, then 200km northwest to city c and finally 100 km north to city D. How far it is from city a to d?

**Math (Please Help)**

I could not figure out one :(

**Math (Please Help)**

Select the phrase that correctly completes the sentence. The value of the dependent variable is always ___________ the value of the independent variable. A. Greater than B. Dependent on C. Equal to D. Lesson than

**Math**

Destiny has 6 library books on her desk. 1/3 of them are about animals. How many of Destiny library books are about animals? Draw a diagram to show your work.

**U.S. Gov. & Economics**

I think so.

**Science**

thank you very much!

**Science**

I would really appreciate help! Compare renewable and nonrenewable energy sources, and discus the effects of each on biodiversity. (I need about 6 sentences) (I have tried thinking about it and cannot seem to figure it out)

**math**

Solve the system x+4y=1,-x+y=4.What is the -coordinate of this solution x.

**Math**

well I think the answer is 165 hours

**worlds history**

did the great pyramid of giza for its ststed purpose?

**math**

the number of pat's roses to the total number of pat's flowers. a)76:31 b)76:107 c)31:107 d)31:76

**English**

Scouts comments to Calpurnia (beginning "I told Calpurnia to just wait") suggest that A- scout is cruel and spiteful B- calpurnia is loving and educated C- the relationship between the two is strained D- scout is suicidal and vengeful E- calpurnia is inattentive and ...

**math**

Need help in solving this word problem. That are the steps? Of the total number of spectators at a circus, 1/4 are men. 2/5 of the remaining number of spectators are women. There are 132 women at the circus show. How many children are at the circus show?

**SS-Please Help!!!**

@teacher Cheating? She needs help with a question and needs some provided answers, which is the reason why we use this website. If you don't like it, exit off, but this IS NOT cheating. She is learning off of the answers that are given to her. She probably has general ...

**algebra**

9/16 / 7/10 divide. write the answer in simplest form.

**Math**

Which of the following options is an equivalent function to f(x) = 4(3)2x? A.f(x)= 36x B.f(x)= 4(9)x C.f(x)= 144x D.f(x)= 4(6x)

**Math**

Which of the following options results in a graph that shows exponential growth? A.f(X)= 0.4(3)X B.f(X)= 3(0.5)X C.f(X)= 0.8(0.9)X D.f(X)= 0.9(5)-X

**Chemistry**

A student dissolved 1.62 g of calcium bicarbonate into 500. mL of water. Excess amount of hydrobromic acid was then added to the solution until bubbling stopped. At STP, what approximate volume (in L) of the gaseous compound would be produced in this reaction?

**Math**

1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic, geometric, both, or ...

**Comm Tech**

1. B 2.d 3. A 100= % correct trust me will pass it !

**Math**

The number of locks is 9 in the ones place the number in the hundreds place is one more than the number in the tens place those two numbers equal 11 how many blocks are there

**Physics**

A 10.0 kg object is resting on a horizontal surface with a coefficient of friction of 0.7. Determine the minimum force that can move the object.At what inclination should force be applied?

**math grade 12**

A sheet of plastic stops 25% of the light and lets through the residual 75%. What percentage of the light is let through by two sheets of the plastic ?

**math grade 12**

Sara got 85% and 89% on her first two Maths tests. What must she get on her third test to have at least a 90% test average. Assume three tests, represent the problem with an inequality and then solve it.

**Phenoix**

teresa buys 100 shares of XYZ sock on margin at $20 per share. If the margin requirement is 45 percent, the interest rate is 10 percent, and she holds the security for 1 year, how much interest must she pay?

**calculus**

find the exact arc length of the curve: y=0.5(e^x + e^-x) for 0 is less than or equal to x and x is less than or equals to ln2.

**calculus (please help)**

find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps

**math**

Find the volume of the solid formed by revolving the region bounded by f(x)= 2-x^2 and g(x)=1 about the line y=1.

**math**

A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What does this mean? A. The improvement was due to the fact that there were more weeds in one ...

**calc(very urgent)**

Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...

**please help! someone plz**

Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...

**math**

Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it.

**MATH**

I'm sure what if this is the right answer that the question is looking for. since my eng. not that good i have hard time understanding. Please help me. Question: write a situation that can be modeled by the following linear system. Explain what each variable means, then ...

**Social Studies**

It's the Romans and Greeks since the Romans adopted the Greek pantheon of Gods and Goddess. That's why Greek and Roman mythology involve many of the same Gods and Goddesses.

**math**

A diamond is purchased for $3500. Its value increases 4% each year. Find the value of the diamond at the end of the sixth year of ownership.

**MATH**

Thank You

**MATH**

So the total of 4 equation have the same slope but different b values?

**MATH**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...

**math - slope-intercept**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? -- one line: y=mx+b second line perpendicular y= -x/m + c of course, you have to know m, b, c. ----- for the second line ...

**math**

for the second line perpendicular, example if it -2/3 slope. it will be use for the 3rd and 4th line perpendicular right ? and pick any value of for y-intercept for the 3rd and 4th ?

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? Please Help, Thank you =)

**math**

write a four equations in slope-intercept form of four different lines that are parallel and graph the line ?? HELP pleaseee!! thank you

**math**

Each homeroom of a middle school receives 1/12 of a 5/6 acre of land. How many homerooms receive a plot of land?

**Chemistry**

Thank you so much :)

**Chemistry**

Methanol ---> Normal BP: 64.6°C --> dHvap: 35.3kJ/mol iso-Propanol ---> Normal BP: 82.3°C --> dHvap: 45.4kJ/mol Cyclohexane ---> Normal BP: 80.7°C --> dHvap: 33.1kJ/mol Question: Ethanol has a normal BP of 78.3°C. Why is the normal BP higher ...

**Chemistry**

Okay thank you, since they did not give me the data plots, I'm guessing I should sketch the graph on my own.

**Chemistry**

The equation for the best fit line was y = -4058.7x + 16.10. Using the equation of the best fit line, calculate the heat of vaporization (delta H) and the NORMAL BOILING POINT (in Celsius) of this volatile liquid. Calculated: dHvap = 33.7kJ/mol ----> I'm really confused...

**physicsss**

An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10^-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.9 x 10^-46 kg*m^2. Estimate, from these data, the effective distance between...

**chemistry**

how many moles are present in 2.45 x 10²³ molecules CH₄?

**Math**

5/36

**Math**

7/10