Friday

December 2, 2016
Total # Posts: 1,072

**Algebra 1B**

I think D would be the answer.

*December 2, 2016*

**Algebra 1B**

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.04x^2 + 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above ...

*December 2, 2016*

**physics**

i know the answers but i don't know they process

*November 30, 2016*

**physics**

2. A wooden block slides directly down an inclined plane, at a constant velocity of 6 m/s. a. How large is the coefficient of kinetic friction if the plane makes an angle of 25º with the horizontal? 0.466 b. If the angle of incline is changed to 10º, how far will the...

*November 30, 2016*

**Math 6A unit test **

What is the value of the blank in this question? 6/5 divided by ______ = 6

*November 30, 2016*

**Calculus**

Find the average value of the function defined by f(x)= x^2 sin 3 x^3 on the interval [0, 3rd Root (pi)]

*November 23, 2016*

**Chem**

What is the pH of .1M: FeSO4 Na2HPO4 NaH2PO4 NaF

*November 14, 2016*

**heath**

Whats the answers

*November 11, 2016*

**Calculus - Differential Equations**

Use separation of variables to find the solution to the differential equation: 4 (du/dt) = u^2, subject to the initial condition u(0)=6. So far, I have: 4 du = u^2 dt 4/u^2 du = dt -4/u = t+C I am unsure what to do from this point...

*November 4, 2016*

**physics**

You are driving at the speed of 34.3 m/s (76.7433 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes. Considering an average human reaction, you press the brakes 0.429 s later. Assume that the brakes on both cars are fully engaged and ...

*November 1, 2016*

**Math**

A certain person burn 6.5 calories per minute while walking how many calories will be burned if that person wants for 3 hours round your answer to the nearest tenth

*October 31, 2016*

**Physics**

A loudspeaker of mass 16.0 kg is suspended a distance of h = 2.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.90 m What is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude of the acceleration ...

*October 6, 2016*

**Physics**

A car starts from rest on a curve with a radius of 150 m and tangential acceleration of 1.5 m/s2 Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0 m/s2 ?

*October 6, 2016*

**Physics**

A circular track has several concentric rings where people can run at their leisure. Phil runs on the outermost track with radius rP while Annie runs on an inner track with radius rA = 0.90 rP. The runners start side by side, along a radial line, and run at the same speed in a...

*October 6, 2016*

**Physics**

A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 7.2 m/s . The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer with the...

*September 30, 2016*

**math**

a cheetah can run 170 meters in 6 seconds at this pace how far would she go in a minute

*September 12, 2016*

**Math**

what is the width of a rectangle with a perimeter of 70 feet and length-to-width ratios of 3 to 4,4 to 5 and1to1

*September 8, 2016*

**Geometry**

If B is the midpoint of segment AC and C is the midpoint of segment AD, what is AD if CD = 9. I think AD = 18, but not sure.

*August 30, 2016*

**Chemistry**

If a 29.9 g sample of the liquid cyclohexane has a volume of 38.6 mL, what is the specific gravity of the compound? Take the density of water to be 1.00 g/mL.

*August 30, 2016*

**physics**

a charge of 6mC is placed in each corner of a square 1m on each side. determine the magnitude and direction on each side

*August 30, 2016*

**Math**

A farmer has 400 feet of fencing with which to build a rectangular corral having two internal dividers both parallel to two of the sides of the corral. What is the maximum total area of such a corral? I know how to maximize area, but this problem is confusing me because of the...

*August 19, 2016*

**Chemistry**

Why are the molecules of hydrocarbons nonpolar? The intermolecular attractions are strong. The electron pair is shared almost equally in all the bonds. All the bonds are single covalent bonds*** Van der Waals forces overcome polarity

*June 1, 2016*

**Chemistry**

Balance the following redox equation using the oxidation number change method. Describe each step that is involved Al(s) + PbSO4 - - > Al2(SO4)3 + Pb(s)

*June 1, 2016*

**English**

The title "another evening at the club" is close in meaning to "just another evening at the club" given the events of the story, what is the significance of this meaning? I need help explaining this. I have no idea how to word it

*May 20, 2016*

**Physics**

What is the wavelength of a 26250 Hz tone in air? The speed of sound in air is 340 m/s.

*May 10, 2016*

**Physics**

A rock dropped into a pond produces a wave that takes 15.9 s to reach the opposite shore, 31.8 m away. The distance between consecutive crests of the wave is 3.1 m. What is the frequency of the wave?

*May 10, 2016*

**physics**

Consider a star with a mass of 8.7 x 1031 kg. Determine the radius of the star if a typical star has a density of 1400 kg/m3.

*April 28, 2016*

**Math **

The scariest dining of requip there are 450 students and 50 on each School Bus. How many buses are needed to take in the trip? If 10 more students decide to come, how many buses do you need then?

*April 27, 2016*

**Language arts**

Jiskha is not for people to do the work for you and tell you the it is to help you hints the name jiskha homework help. he did help herror by giving her the definition of the word she can use it to find the most reasonable answer

*April 25, 2016*

**Physics**

Okay, so I just realized that the number of loops is only one, so I can still use the equation I was thinking of. Sorry about that!

*April 21, 2016*

**Physics**

A wire loop of radius 0.165 m lies so that an external magnetic field of strength +0.24 T is perpendicular to the loop. The field changes to −0.32 T in 0.759 s. Note: The plus and minus signs here refer to opposite directions through the coil. Find the magnitude of the ...

*April 21, 2016*

**US HISTORY**

Which of the following best describes the Cherokee's main argument in the Cherokee Nation v. Georgia case? The Cherokee testified that U.S. officials had unfairly tricked them into giving up their land. The Cherokee argued that because they lived in the territory first, ...

*April 15, 2016*

**history**

What was the main result of the invention of the Clermont in 1807? This steamboat built by Robert Fulton helped speed up industrialization and increase interest in canal and river transport. This passenger train built by Henry Ford provided immigrants an easier way to move ...

*April 15, 2016*

**us history**

Which factor contributed most to the U.S. acquisition of Florida in 1819? the defeat of Great Britain in the War of 1812 U.S. military victories in Florida during the 1810s Spain's loss of control over its South American territories territorial disputes between ...

*April 15, 2016*

**history**

What effect did Samuel Slater's actions have on the U.S. economy? Tariff revenues on imported clothing increased. The efficiency of American textile production increased. The price of clothing produced in the United States increased. Wages for workers in the textile ...

*April 15, 2016*

**us history**

A benefit from the expansion of New England's textile industry was increased worker benefits. lower demand for slaves. reduced number of exports. savings in time and money. i think it is d

*April 15, 2016*

**us history**

1. Why did the United States push for control of the Oregon Country? increased American settlement in the Pacific Northwest increased threat of British attacks on the Louisiana Territory discovery of gold in the Rocky Mountains need for more territory north of the ...

*April 15, 2016*

**algebra**

There are many measurements of the human body that are positively correlated. For example, the length of one's forearm (measured from elbow to wrist) is approximately the same length as the foot (measured from heel to toe). They are positively correlated because, as one ...

*April 14, 2016*

**Chemistry**

At STP potassium chlorate (KClO3) decomposes to produce solid potassium chloride (KCL) and oxygen gas (O2) according to the balanced chemical equation: 2KClO3(s)->2KCl(s)+3O2(g) What volume of oxygen gas, measured at 40 degrees celsius and 85.4 kPa, will be produced when 13...

*April 11, 2016*

**Math**

All 231 students in the math club went on a field trip some students Road in bands which hold seven students each and some students Road and buses which hold 25 through and see how many of each type of vehicle did they use if there were 15 Vehicles total

*April 5, 2016*

**Trigonometry**

Use a sum of difference identity to write the expression as a single function theta: cos(theta - pi). Okay so I know we will use cosAcosA+sinBsinB I got: cos(theta)cos(theta)sin(pi)sin(pi) I don't know how to solve from here and I'm not sure if that is correct.

*February 29, 2016*

**English**

Where to find Description of the Problem, Population and Context of sex trafficking? Thank you.

*February 22, 2016*

**Math**

Tom has 4 yards of lumber.What is the length of the lumber in inches? Explain Please help me I don't understand

*February 7, 2016*

**Physics**

A charge of -3.17 μC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are -3.96 μC at the position due north and +5.03 μC at the position due east. What is the ...

*January 27, 2016*

**Science (physics)**

How does temperature affect the gas in a balloon?

*January 15, 2016*

**Science**

PLEASE HELP ASAP );

*January 14, 2016*

**Science**

Which of the following determines the type of biome classification that will be made for a particular region? Climate Size Mineral deposits Number of human settlements Think about how the amount of energy changes as you move stepwise from producers to primary consumers to ...

*January 14, 2016*

**Science**

Which of the following can be used to explain why fossils of the same kind of organisms can be found in different regions of the world? Biogeography Adaptation Continental drif Dispersal Which of the following would best explain why a species of wildflower native to ...

*January 14, 2016*

**SS**

I believe it would be oli that what is mostly in kuwait

*January 14, 2016*

**Science**

Thank you so much Damom

*January 14, 2016*

**Science**

Which piece of children's play ground equipment could be used to model and explain the movement of matter in the biosphere? Slide Merry-go-round Swing Seesaw

*January 14, 2016*

**Science**

Thank you (:

*January 14, 2016*

**Science**

State how matter moves through the biosphere. State how energy moves through the biosphere. Explain each statement using examples to illustrate your explanation.

*January 14, 2016*

**Science**

What does the term adaption mean? How does adaption explain the patterns of distribution of plant and animal species in the world?

*January 14, 2016*

**Science**

Which of the following can be expected to occur as climate change continues on Earth? Decreased meltimg of sea ice Decreased migration of pests and pathogens Increased freshwater water sources Increased coastal flooding Is it A?

*January 14, 2016*

**math**

@Reiny Could you please show me how to fix the problem?

*January 13, 2016*

**math**

Can someone please check my work? Question~ Find the point-slope form of the equation that goes through these two points. (1, 20) and (8, 4.5) My Answer~ Y= y2-y1/x2-x1 (4.5-20)/(8-1) = -15.5/7 Rewrite -15.5/7 as (-15.5)/7 Rewrite -15.5 as -31/2 = (-31/2) (7/1) Divide: (-31/2...

*January 13, 2016*

**Physics**

For some reason I didn't realize that revolutions/sec was ANGULAR frequency. Thank You!

*January 7, 2016*

**Physics**

An athlete whirls a 6.6 kg hammer tied to the end of a 1.2 m chain in a simple horizontal circle where you should ignore any vertical deviations. The hammer moves at the rate of 1.02 rev/s. What is the centripetal acceleration of the hammer? Assume his arm length is included ...

*January 7, 2016*

**History**

And I'm just confused on what this is asking me

*January 6, 2016*

**History**

Factions

*January 6, 2016*

**History **

how the interest of various factors influenced the creation and ratification of the U.S. constitution?

*January 6, 2016*

**physics..**

Nevermind I got it

*December 16, 2015*

**physics..**

h t t p : / /w w w. w e b assign . net /giancoli5 /2_34.gif Here is a picture

*December 16, 2015*

**physics.. **

This seems easy and yet i'm skeptical if these are actually supposed to be difficult.. It asks for a lot. It's seems repetitive.. 1. a falling stone takes .30 seconds to travel past a window 2.2m tall. From what height above the top of the window did the stone fall? 2...

*December 16, 2015*

**Math**

Dan takes ruler and measure the width of the piece of paper and finds that the actual width is 48.8cm. Find the width of each strip.

*December 15, 2015*

**Math**

Dan has a square piece of paper. This paper is about 48cm wide. He then cuts it into 20 equal strips. How can he find out the breadth of each strip without measuring? Is this width accurate?

*December 15, 2015*

**Health ( ANSWER ASAP)**

I am from connexus

*November 30, 2015*

**writing**

I would like a good paragraph but im not good at typing pleaseeeeeeeeeee pretty please with cherry on top!

*November 28, 2015*

**writing**

Both Ernesto from barrio boy and the boy in "A Day's Wait" interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adults. Focus on how the boys ...

*November 28, 2015*

**writing**

Both Ernesto from barrio boy and the boy in "A Day's Wait" interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father. In a paragraph, compare and contrast how the boys interact with the adults. Focus on how the boys ...

*November 28, 2015*

**Chemistry **

How many miles of oxygen would it take to react with 1.0 moles of magnesium

*November 24, 2015*

**technoligy **

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...

*November 24, 2015*

**technoligy **

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...

*November 24, 2015*

**technoligy **

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from least to greatest b=count the numbers c= add the ...

*November 24, 2015*

**math**

Damon on number two there is no 0/2 2/2, (1/2)/2 =)

*November 24, 2015*

**math**

4. Which equation represents a proportional relationship? a) y=1/2x b) y=2x-2 c) y=x+1 d) y=3x+3 5. Which points are part of the graph for the previous question's equation showing a proportional relationship? this is a select all that apply a= (0,0) b= (2,1) c= (1,2) d= (1...

*November 24, 2015*

**math**

thanks sorry to get back to you so lately =)

*November 23, 2015*

**math**

3. the ratio of dollars earned to hours worked is 18/2 . which of the following ratios is the proportional to this? a=48/6 b=24/4 c=54/6 d=3/27 please help I think it b could someone please give me the right answer if tis is worng

*November 23, 2015*

**math**

ok thanks Nick ill let you know what i make =)

*November 22, 2015*

**math**

could this my answer? or nah beacuse i have no clue on how to do these

*November 22, 2015*

**math**

Consider two types of nonlinear equations. What unique quality does each possess and how does that quality cause the graph's unique shape? Name two unique examples of these shapes in real-world situations would someone please let me know what they get for the answer and i ...

*November 22, 2015*

**technoligy**

i ask this of you becuase i have no idea how to fo these and please i need a good grade n this assignment becuase this is the last lesson in the unit and it's worth 75% of my grade =)

*November 22, 2015*

**math**

never mind this is way to much to ask i have something way easier and it is more reasonable to ask will you except this below and i'm deeply sorry to ask all of this work form you Consider two types of nonlinear equations. What unique quality does each possess and how does...

*November 22, 2015*

**technoligy**

yes because those were the last questions of my finals? and here's something else you can help me with if you want to How Can the Oil-Rich Help the Oil-Poor? In this portfolio project, you will determine which Southwest Asian nations are oil-rich and which are oil-poor. ...

*November 22, 2015*

**technoligy**

Oh you ok im just going to fail the 7th grade now but you could help me with something else to make up for that please?

*November 22, 2015*

**technoligy**

MS. SUE I GOT NUMBER 4 WRONG IT WAS C

*November 22, 2015*

**technoligy**

thanks this was extremely helpful

*November 22, 2015*

**technoligy**

3=b 1=? could you please share with me for what you got for the answer

*November 22, 2015*

**technoligy**

Thanks i'll get back to you shortly =)

*November 22, 2015*

**technoligy **

1. What column do you put the deposits in when you are balancing your checkbook a=date b=transaction c=debit d=credit 2. when creating a formula for balancing in a checkbook, what do you subtract from the credits? a=debits b=check numbers c=transaction d=dates 3. Why is it ...

*November 22, 2015*

**Physics**

An automobile is traveling 50 km/h². It deccerate at 5 m/s², how far will it take to travel after the brake are applied?

*November 14, 2015*

**History**

Alright, Thank you kindly!!

*November 7, 2015*

**History**

Can someone please check my work? 18) Many wealthy American industrialists of the late 19th century used the theory of Social Darwinism to: a. Support the labor union movement b. Justify monopolistic actions c. Promote legislation establishing a minimum wage d. Encourage ...

*November 7, 2015*

**History**

Ok thank you!!

*November 7, 2015*

**History**

Can someone please check my answer? 7) When the Articles of the Confederation were written they showed Americans early distrust of: a. The British b. States having too much power c. Strong national government d. The President My Answer~b 14) Starting in the 1870s, Jim Crow ...

*November 7, 2015*

**History**

Ok Thank you sooo much!!!

*November 7, 2015*

**History**

Can someone please check my answer? Thank you for any help you can give! 1) During the colonial period, the economic development of the South was most directly dependent on the labor of: a. Factory workers b. Enslaved Africans c. Wheat farmers d. Irish immigrants My Answer~ b ...

*November 7, 2015*

**math**

CAN YOU CHECK ME ANSWER

*November 5, 2015*

**math**

Ms. Sue can you help me .My question is already submitted.

*November 5, 2015*