Saturday

December 3, 2016
Total # Posts: 258

**Math/ Statistics**

A group of data elements has a mean M and a standard deviation S. a) Find the new mean and the new standard deviation if a constant number C is added to each data element in the group? Explain thoroughly. b) Find the new mean and the new standard deviation if each data element...

*December 1, 2016*

**Algebra 1 B**

2. How is the graph of y = -6x^2 + 4 different from the graph y = -6x^2? A. It is shifted 4 units to the left. B. It is shifted 4 unites to the right C. It is shifted 4 units up. *** D.It is shifted 4 units down. 3. A model rocket is launched into a large field. The path of ...

*November 30, 2016*

**Chemistry **

Calculate the ph value after of 1ml of 0.01 mol/1hcl solution to 1 liter of distilled water that is initially at ph=7

*November 29, 2016*

**chemistry**

Calcium Sulfate (CaSO4) decomposes at high temperatures according to the reaction: 2 CaSO4(s) ? 2 CaO(s) + 2 SO2(g) + O2(g) - If CaSO4 is sealed in a chamber, heated to a high temperature, and allowed to proceed to equilibrium. Then, the pressure of the gaseous equilibrium ...

*November 17, 2016*

**chemistry**

The fermentation of glucose to form ethanol occurs according to the following chemical reaction: C6H12O6(aq) ? 2 C2H5OH(l) + 2 CO2(g) A) If 700 grams of glucose (C6H12O6) are fermented, what is the maximum volume in milliliters of ethanol (C2H5OH) that can form? (Density of ...

*November 17, 2016*

**chemistry**

The fermentation of glucose to form ethanol occurs according to the following chemical reaction: C6H12O6(aq) ? 2 C2H5OH(l) + 2 CO2(g)

*November 17, 2016*

**chemistry**

If 700 grams of glucose (C6H12O6) are fermented, what is the maximum volume in milliliters of ethanol (C2H5OH) that can form? (Density of ethanol is 0.79 g/mL)

*November 17, 2016*

**Math**

You are supposed to come up with an equation to solve this problem. I have figured out how to do it, just not what the equation is supposed to look like. Anyways, here is the word problem. The taxi fare in Gotham City is $2.40 for the first .5 miles, and additional mileage is ...

*October 14, 2016*

**Math**

Since you know the total length of the road, and how far the markers are spaced, to figure out how many you would be able to place you would just need to divide. Your expression is probably supposed to look like this... 6 3/4 / 1/8

*October 14, 2016*

**Physics **

Hello, I had a question for physics, and I tried it out, however, I got the wrong answer. The Question:If a rock takes 0.750s to hit the ground after being thrown down from a height of 4.80m, determine the rock's initial velocity. My Work : The formula- d=vi*t+1/2*a*t^2 ...

*October 12, 2016*

**Physics **

Hello, I had a question for physics, and I tried it out, however, I got the wrong answer. The Question:If a rock takes 0.750s to hit the ground after being thrown down from a height of 4.80m, determine the rock's initial velocity. My Work : The formula- d=vi*t+1/2*a*t^2 ...

*October 11, 2016*

**science**

Describe how you will prepare 500cm of 1M nacl

*October 3, 2016*

**mathematics**

AOB is a sector of a circle such that angle AOB=60 degrees Celsius and OB is r units long. the area of AOB is

*September 20, 2016*

**Biology**

A farmer sets up a buffalo farm in this ecosystem. Over time, the buffalo greatly reduce the grass biomass in the community. Explain how the introduction of this new species could affect the amount of energy transferred within the food chain.

*September 14, 2016*

**Ashford**

H=375

*June 17, 2016*

**algebra**

nevermind.

*June 15, 2016*

**algebra**

x/x-2 +x-1/x+1 = -1 How do I find the solution to this equation?

*June 15, 2016*

**life orientetion**

Are individuals empowered and do they understand their human rights or when their rights are being violated

*May 12, 2016*

**Math**

What is the Greatest Common Factor of 36x+12y

*April 23, 2016*

**chemistry**

Air bags in cars are inflated by the sudden decomposition of sodium azide (NaN3) by the following reaction. 2 NaN3(s) −→ 3 N2(g) + 2 Na(s) What volume of N2 gas, measured at 1.31 atm and 85.0◦C, would be produced by the reaction of 65.0 g of NaN3? Answer in ...

*April 15, 2016*

**chemistry**

What volume of chlorine gas at 34.0◦C and 1.38 atm is needed to react completely with 9.40 g of sodium to form NaCl? Answer in units of L.

*April 15, 2016*

**English**

yes, both sentences have the same meaning.

*April 15, 2016*

**math**

find the arc length of AB to the nearest tenth. AB equals 45 degrees. radius is 5 in.

*April 8, 2016*

**geometry**

find the arc length of AB to the nearest tenth. AB equals 45 degrees. radius is 5 in.

*April 8, 2016*

**Social Studies**

Answers are all correct, I got 100%!

*March 30, 2016*

**Social Studies**

Help! I am stuck on this question. Which goal led Israelis and Palestinians into conflict? a) a desire for independence and security b) religious worship at the same temples c) military dominance in the region d) political control of the same national government

*February 23, 2016*

**Social Studies**

Help! I am stuck on this question. Which goal led Israelis and Palestinians into conflict? a) a desire for independence and security b) religious worship at the same temples c) military dominance in the region d) political control of the same national government

*February 23, 2016*

**Chemistry**

6.19 liters.

*January 28, 2016*

**Chemistry**

What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C? (Given: R = 0.08205 l · atm/mol · K)

*January 28, 2016*

**Social Studies**

Whoever the heck did that, please don't mock Ms. Sue and be nice about it!

*January 19, 2016*

**math**

Would .155397 be correct?

*December 17, 2015*

**math**

I got .155397 but that seems too little a number considering there are more white than black balls?

*December 17, 2015*

**math **

Imagine having a urn with 20 balls, of which 8 are black and the remaining white. You are to draw 5 balls out of the urn. What is the probability that at least three of the balls drawn are white?

*December 17, 2015*

**Math**

I'm unsure how to solve this... can someone help me? Match the equation with its graph. −6/7 x - 1/2 y = 3/7 The answers are graphs, so I'll type the coordinates of the graphs here. A.) -1, 4; -6, 4 B.) -1, -4; 4, 6 C.)-4, -6; 4, 8 D.) -4, 6; 2, -4

*December 10, 2015*

**math**

Abigail is 15, and Cynthia is 27. How many years ago was Abigail twice as young as Cynthia?

*December 7, 2015*

**Algebra 1**

In a town, there are 170 teenagers that own portable media players. This is at least 2/3 of all the teenagers in the town. What is the maximum number of teenagers who live in the town?

*November 30, 2015*

**social studies**

When did countries in north africa start to gain independence?

*November 16, 2015*

**Science**

can you help me understand why it takes more energy to heat something bigger than something smaller please. thank you.

*November 2, 2015*

**geometry**

Which of these is a step in constructing an inscribed square using technology?

*September 24, 2015*

**Geometry please help!**

what was the answer

*September 15, 2015*

**Chemistry**

Hi! I am totally stuck on this question: Explain why a cool flame is important to use in heating a solution to dryness. Can you please explain to me exactly why because I really do not understand. thank you!

*September 9, 2015*

**MATHS**

A MAN SPENT 1/2 OF HIS MONEY ON BUNS AND 2/3 OF THE REMAINDER ON BREAD AND HAVE 200 NAIRA LEFT HOW MUCH DID HE HAVE AT

*September 3, 2015*

**math**

i am a number less than 40.one of my factors is 3 the sum of my digits is 12 what number am i

*August 24, 2015*

**king george memorial school math**

logbase10^x+logbase10^y=4

*August 16, 2015*

**SCIENCE: CONNEXUS HELP!**

Well, I know one thing for certain. The answers given are not correct. I didn't submit them, however I checked them over (according to the test) and they're wrong. For example 3 isn't C (45.0) it's 30.0, which would make it B.

*May 13, 2015*

**Physics **

Two resistors have resistances R1 and R2. When the resistors are connected in series to a 12.4-V battery, the current from the battery is 2.13 A. When the resistors are connected in parallel to the battery, the total current from the battery is 9.01 A. Determine R1 and R2. (...

*May 11, 2015*

**Physics**

An object is 21 cm in front of a diverging lens that has a focal length of -13 cm. How far in front of the lens should the object be placed so that the size of its image is reduced by a factor of 1.5? my work: 1/di=(1/-13)-(1/21) di=-8.02 m=8.02/21 m=.381 m2=-.381/1.5 m2=-.254...

*April 8, 2015*

**personal finance**

140.50

*January 29, 2015*

**Algebra**

Find the sum of all values of a such that the point (a,7) is 3 sqrt 5 from the point (2,1).

*December 31, 2014*

**mathgjvhgf**

it is i do not care

*December 24, 2014*

**algebra**

y>-5/3x+3 Please help me i need some guidance

*December 12, 2014*

**algebra**

Janel walks for x minutes and runs for y minutes for a total of 30 minutes of exercise. Ramal walks for 3 times as long as Janel but runs for half of the time she does for a total of 40 minutes of exercise. Is the system below correct for this situation? If not, why not? x + ...

*December 12, 2014*

**English**

I need help with my research paper outline.(ARE THERE ANY MISTAKES?) According to (author/source)Michael Martinez and Jaqueline Hurtado(Date 2014/11/15) the main idea about this subject is the parents does not believe in what the government said and that they are not doing ...

*December 10, 2014*

**English**

My daughter has a worksheet due tomorrow and is stressing because she read the book Dragonwings and didn't get it at all and doesn't get the worksheet and i cant read it and help her,please help 1)Why doesn't Moon Shadow attend public school?How is he being ...

*December 9, 2014*

**English**

The story is about a boy who never has met his father because his father is with a group called the demons and they work to fing gold at the golden mountain in china, and if the demons catch you trying to steal gold they will beat you. One day Uncle bright star comes and ...

*December 9, 2014*

**Us. History Help!!!**

It does, Ms. Sue.... especially when you're in middle/highschool, and the teachers act as if you have nothing else to do but their classes. Eugh always hated that.

*November 26, 2014*

**Science**

y + 4 3y y-2 Think about it like this, if Mary had four brothers, she is Mary's age plus the age of 4 brothers, but we don't know it, so Y + 4 is good enough. 3y, because Mary had a little lamb that was 3. And Y-2 because its her and 2 others who died in the car crash...

*November 13, 2014*

**help please **

Abby delivers twice as many newspapers as Jillian, and Brandy delivers 50 more papers than Abbey. How many papers does each deliver if the total number of papers delivered is 550?

*November 13, 2014*

**economics,life science,math literacy and consumer studies**

what career can i persure with these subjects?

*November 13, 2014*

**Physics**

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.5 m/s, at an angle of 52.5°...

*October 22, 2014*

**Physics**

An airplane is flying with a velocity of 220 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I found Vox=190...

*October 21, 2014*

**Science! URGENT**

I go to Connections as well, and all of this is true...

*September 25, 2014*

**8th grade math**

5^3

*September 15, 2014*

**Practical English**

In which sentence are the italicized words a dangling modifier? A)Flying beneath the cloud, the pilot could see the airport. B)Resting on the sea bottom, the old trunk held coins. C)Arriving ten minutes late, the store was closed for the night. Not knowing the danger, the ...

*July 21, 2014*

**math**

abby has a ribbon that was 1 meter long..she cut off 25 centimeters..how long is the ribbon now??

*June 27, 2014*

**physics **

a man walks 8km North and then 5km in a. direction 60degrees. find its distance from his starting point

*May 22, 2014*

**Science help ASAP**

THANK YOU UR A LIFE SAVER!!!!!!!??

*May 5, 2014*

**math**

Jessica says she can add 1/3"2/6"3/9"4/12"and 5/15 together using mental math.Explain how she can do this.

*April 9, 2014*

**math**

3x-4y That because there is only 1x and 1y so 2+1=3 and -5+1=-4. That Leaves us to 3x-4y.

*March 21, 2014*

**math**

An isoscelless triangle of sides of 13cm, 13cm, 10cm is inscribed in a circle is inscribed in a circle. What is the radius of the circle?

*March 17, 2014*

**math**

An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?

*March 17, 2014*

**Please Help Me :( Science: Biology, Genetics!**

Well another thing is that all Connections use the same questions. I've seen it.

*March 10, 2014*

**Please Help Me :( Science: Biology, Genetics!**

True story, Anonymous. I attend Connections too, and they stress a lot about Math, but besides that? It's just the grades that matter. "You didn't learn anything? Oh well. Better come in with a good report card, though, or we'll have to give you 'special ...

*March 10, 2014*

**Math**

A line in coordinate plane contains the points P(2, -7) and Q(-4, -1). What point is the midpoint of PQ?

*February 27, 2014*

**Social Studies--Check My Answers Please--**

Answer to number one is C... ;) The computer was trained to accept C, they fixed it.

*February 13, 2014*

**social stud. quiz --- check my answers!!!**

True that. Thanks!

*February 11, 2014*

**physics**

A body of mass 10kg in air and 4kg in water calculate the volume and its density

*January 21, 2014*

**physics**

An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object

*January 21, 2014*

**physics**

An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object

*January 20, 2014*

**physics**

An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object

*January 20, 2014*

**physics**

An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object

*January 20, 2014*

**physics**

An object of volume 4 metercube is immersed in a liquid of density 1030 kilogramme per meter cubic meter calculate the upthrust of liquid of the object

*January 20, 2014*

**Pre-Algebra**

i got 25.2

*January 9, 2014*

**science**

I took the test and it is FALSE...

*January 7, 2014*

**Science help,plz:)**

Riiight??? Connections can be a pain...

*December 14, 2013*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

*December 9, 2013*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

*December 9, 2013*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

*December 9, 2013*

**math**

find the sale price. round to the nearest cent. 7. regular price: $57.63 percent of discount: 10% $63.39 $5.76 $51.87 $57.53

*December 2, 2013*

**math**

How do i convert 7 2/5 into a decimal

*November 7, 2013*

**science**

sorry i do not know why it posted that so many times :/ lol :)

*October 30, 2013*

**science**

The answer is most definitely D. Take it from an A+ science student.

*October 30, 2013*

**Math**

How did you get BE=32, and where did 62 come from?

*October 28, 2013*

**chemistry**

94.91

*September 24, 2013*

**Science**

A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it takes to reach the horizontal plane at the foot of the cliff.

*September 22, 2013*

**Math, Algebra**

Need to check answers. Q1. Find the length of the following segment created by these pairs of endpoints: (0, 1), (0, 7) Answer : 0 Q2. Find the length of the following segment created by these pairs of endpoints: (9, 6), (12, 6) Answer : 3 Q3. Find the length of the following ...

*September 18, 2013*

**Civics**

i have

*May 19, 2013*

**Civics**

List the basic problem of scarcity and how it drives economic decison-making. Describe the role of factors of production. What is supply and demand? Apply the principles of supply and demand that predicts market prices and incentives for buyers and sellers.

*May 19, 2013*

**Math**

Mike scored 85, 88, 87, 93, 95, 92, and 83 on his math tests. What is the least he can score on the next test if he wants to maintain a 90 average? PLZ HELP ME!!!!!!!! I'm so confused

*May 11, 2013*

**english**

1. people find life being with others 2. personification 3. trouble is coming 4. if you call them, the dogs will come back

*May 1, 2013*