Tuesday

July 28, 2015

July 28, 2015

Total # Posts: 82,951

**Math**

Thank you Ms. Sue :).
*April 30, 2015*

**Math**

She would save an hour of actual driving time.
*April 30, 2015*

**Math**

Kaya drove 200 miles in 5 hours of actual driving time. By driving an average of 10 miles per hour faster, Kaya could have saved how many hours of actual driving time? A. 1 / 6 B. 2 / 3 C. 7 / 10 D. 1 E. 4
*April 30, 2015*

**math**

The ferris wheel shown makes 12 revolutions per ride.how far would someone travel during one ride
*April 30, 2015*

**Algebra 1**

4/y *16y^2=64y
*April 30, 2015*

**Math**

right on the second. wrong on the first. forget the 9 owed. his portion of the bill is 5 dollars, to that add your portion
*April 30, 2015*

**Math**

what is your thinking on this?
*April 30, 2015*

**algebra**

.98^(2012-2008)= put this in your google search window 80*0.98^(4)=
*April 30, 2015*

**Volume**

pressure is a measure of the collisions, an pressure is inversly prop to volume new collisions*newvolume=oldcollisions*oldvolume new collisions=1050*7/56
*April 30, 2015*

**chemistry**

Determine the percent yield for the following generic reaction using the information given below: Compound A --> Compound B if you start with 10.0 mL of Compound A and obtain 9.0 g of Compound B. Density of Compound A = 0.75 g/mL MW of Compound A = 150. g/mol MW Compound B...
*April 30, 2015*

**Discrete Math**

guarantee same color? worse case, you pick alternative colors. w b w b then the next has to be w or b. Five. for three white? Worse case, You have to pick all the black first, so 11.
*April 30, 2015*

**Algebra**

slope of 5 is much steeper, right? y=mx+b y=2x+b for 1,2 2=2*1)+b or b=zero for 3,y y=2*3=6 your teacher is too easy.
*April 30, 2015*

**Math**

Which is NOT true about the Table? x: 1 | 2 | 3 | 4 | y: 1 | 4 | 9 | 16 | A. it shows a linear function B. x increases by 1 each time C. the rate of change is not constant D. y increases by a different value each time D please check
*April 30, 2015*

**check pls**

That wouldn't create a rectangle. Draw the x-axis and y-axis scale/graph for the x-axis have numbers 1- 10 and same for the y- axis. then find the coordinates and add your dots. Connect the dots and see which one makes a square.
*April 30, 2015*

**check pls**

I would say B. But why do you think it's (4,9)?
*April 30, 2015*

**s.s**

Thank you!
*April 30, 2015*

**s.s**

The juries were made up of ku Klux, and it was impossible for any of the loyal people to get justice before the courts. Not less than fifty or sixty persons have been killed by the Ku Klux in the state, besides some three or four hundred whippings, and there has never been a ...
*April 30, 2015*

**s.s**

According tot he excerpt, violence by the Ku Klux Klan against african americans and their white supporters was _____ to stop because juries often _____. A. very easy; were against the Ku Klux Klan and its activities B. very difficult; were made up of Ku Klux Klan members C. ...
*April 30, 2015*

**CONNECTIONS ACADEMY**

Your welcome. good luck. Remember, there's never a time when it's good to cheat. To make things easier just actually go through the class your in, pay attention, and take notes. Then you won't need as much help. And when you come to Jiskha people don't come to ...
*April 30, 2015*

**CONNECTIONS ACADEMY**

I understand you need to get it done, not trying to sound rude, but just work through your lessons and pay attention to what you learn then do your assignments and you'll be done. 1. go through your class and pay attention 2. read in your work book if you have one 3. take ...
*April 30, 2015*

**CONNECTIONS ACADEMY**

Saying "Cheat" makes it sound bad, but really that's what your doing. Even if it sounds bad and you don't like the way it sounds. That's kinda what it seems like you're doing right now.
*April 30, 2015*

**CONNECTIONS ACADEMY**

what grade..?
*April 30, 2015*

**s.s**

Thank you!!
*April 30, 2015*

**s.s**

Oh, is it C?! I believe it's C
*April 30, 2015*

**s.s**

All persons born or naturalized in the united States and subject to the jurisdiction thereof, are citizens of the United States and of the state wherein they resize. No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the ...
*April 30, 2015*

**Chemistry**

To titrate the acetic acid in 10.0 mL of vinegar sample, 25.5mL of 0.5M sodium hydroxide solution is needed. What is the concentration of acetic acid in the vinegar?
*April 30, 2015*

**bookkeeping**

Worksheet (Use the information from the trial balance in Exam Figure 2. Write the worksheet information on the form in Exam Figure 1.) You’ll need the following adjustment information: a. P. Woodsley counted the supplies on May 31 and found that the supplies on hand were...
*April 30, 2015*

**Math**

How do you tell whether a number is a perfect square from the exponents of its prime factorization? Explain why this works.
*April 29, 2015*

**linear algebra**

Suppose that we have a system consisting of two interconnected tanks, each containing a brine solution. Tank A contains x(t) pounds of salt in 200 gallons of brine, and tank B contains y(t) pounds of salt in 300 gallons of brine. The mixture in each tank is kept uniform by ...
*April 29, 2015*

**Math**

2 Carla bought a dress at a sale for 20% off the original price. The sale price of the dress was $28.80. Find the original price of the dress, in dollars.
*April 29, 2015*

**English**

Thank you, Ms. Sue.
*April 29, 2015*

**English**

It's about what Huck Finn learns in the book.
*April 29, 2015*

**English**

I need to write a speech that covers in detail five PowerPoint slides and is about five minutes long. Where do I start, and how do I organize the speech?
*April 29, 2015*

**physics**

bull's-eye bob at a hunting range fires his rifle at a target 200 meters downrange. the bullet moves horizontally from the rifle barrel with a speed of 400 m/s? how far does the bullet drop from a straight line horizontal path bny the time it reaches the target
*April 29, 2015*

**Chemistry**

Based on the following balanced equation: 2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O a. How many moles of CO2 are produced after complete reaction of 8.00 moles of C4H10? b. How many grams of CO2 are produced after complete reaction of 8.00 moles of C4H10? c. How many moles of H2O ...
*April 29, 2015*

**Chemistry**

Based on the following balanced equation: 2 NH3 + 2 O2 -->N2O + 3 H2O a. How many moles of O2 are required to react completely with 6.00 moles of NH3? b. How many grams of O2 are required to react completely with 6.00 moles of NH3? c. How many moles of H2O are produced ...
*April 29, 2015*

**Math**

A person who is 5 feet tall is standing at 110 feet from the base of the tree and the tree cast a shadow of 120 feet the person shadows 10 feet in length was the height of the tree?
*April 29, 2015*

**Math**

A gutter at the edge of a roof drops 2 inches for every 30 feet of length. To the nearest tenth of a degree, what is the measure of the angle that the gutter makes with the roof? I got an answer before, but where does 12 come from?
*April 29, 2015*

**Physics**

What is the velocity of an object that is dropped from a height of 20m,just before it reaches the ground?
*April 29, 2015*

**chemistry**

the acid dissociation constant of dichloroethanoic acid is 0.033 . calculate the concentrations of hydrogen ions
*April 29, 2015*

**calculus**

Write and then solve for y = f(x) the differential equation for the statement: "The rate of change of y with respect to x is inversely proportional to y^4."
*April 29, 2015*

**English**

Why traditional African marriage is an advantage for men only not women?
*April 29, 2015*

**Life orientation**

food
*April 29, 2015*

**physical science**

A baseball diamond has 90 feet between bases. A player hits the ball and runs to 1st, 2nd and stops at 3rd base. The player's displacement is
*April 29, 2015*

**English**

Comma or semicolon? He seemed like a cat, one that was afraid of strangers.
*April 29, 2015*

**algebra 2**

How is the graph of log (x – 5) translated from the graph of log x?
*April 29, 2015*

**Physcial Science**

Standing on top of a tall building a student drops their physical science book. How far has the book fallen at 5 s?
*April 29, 2015*

**algebra 2**

Which is the exponential form of log7 90 = y?
*April 29, 2015*

**Chemistry**

Well, if you have .387mol steam, then you used .387 mol CO, and 3*.387 mole H2. To find out the molar concentration of CO and H2, subtract what was used from the initial. The amount of CH4 of course is the same as H2O.
*April 29, 2015*

**science**

water snail uses O2, expels CO2, water plant uses that CO2 and expels O2.
*April 29, 2015*

**chemistry**

qerqe
*April 29, 2015*

**Algebra**

Where did you get the 12?
*April 29, 2015*

**Algebra**

A gutter at the edge of a roof drops 2 inches for every 30 feet of length. To the nearest tenth of a degree, what is the measure of the angle that the gutter makes with the roof? Is it 15?
*April 29, 2015*

**Mathh**

What is the rule for the function shown in the table? x: -1 | 0 | 1 | 2 y: -2 | 1 | 4 | 7 A. y= 1/3x + 1 B. y=3x + 1 C. y= 1/3x D. y= 1/3x + 1 Will someone please help and explain how I can work this out. I have trouble with these.
*April 29, 2015*

**calculus**

1.Solve the differential equation dy/dx= y^2/x^3 for y=f(x) with the condition y(1) = 1. 2.Solve the differential equation y prime equals the product of 2 times x and the square root of the quantity 1 minus y squared. Explain why the initial value problem y prime equals the ...
*April 28, 2015*

**English**

it mla
*April 28, 2015*

**Physics Help Please! Decay Questions**

archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and the decay constant for...
*April 28, 2015*

**History Help! Very easy. **

How are the cultures in South America like the cultures in Mexico? How are they different? I already got the similarities. I need DIFFERENCES, and the Internet, full of approximately 150 websites I checked, has NO use.
*April 28, 2015*

**Calculus**

Piecewise function problem. Let f(x)={ax^2+1/3, x is greater than or equal to 1; bx-10/3, x<1. If the function is differentiable, find the sum of a+b.
*April 28, 2015*

**Math help**

How would I find the volume of a cube with edge lemgth of 3sqrt2 cm?
*April 28, 2015*

**Calculus**

I'm still confused to where to plug in 8200. Do i plug it into P=Ce^kh where C=101.3?
*April 28, 2015*

**Calculus**

The rate of change of atmospheric pressure P with respect to the altitude h is proportional to P provided that the temperature is consistent. At 15 degrees Celsius, the pressure is 101.3 pounds per square inch (psi) at sea level and 87.1 psi at height 1000m. Find the pressure ...
*April 28, 2015*

**Physics Help Please**

archaeologist digging at the site of an ancient settlement discover the remains of a wooden structure. carbon 14 dating of the wood from the structure finds a decay rate of 180 decays/min. Knowing that the decay rate for living wood is 600 decays/min and the decay constant for...
*April 28, 2015*

**Geometry **

How do I find the area of a regular triangle with a perimeter of 36 cm?
*April 28, 2015*

**Social studies**

Yup! D,A,C lol some people just WANT connections students to fail >.<
*April 28, 2015*

**Social studies**

The dude before me is right used his advice got 100 on test
*April 28, 2015*

**Algebra**

Spencer and Sydney both have many books at home. Together they have 65 books. Spencer has 9 fewer books than Sydney. How many books does Spencer have?
*April 28, 2015*

**Algebra**

Spencer and Sydney both have many books at home. Together they have 65 books. Spencer has 9 fewer books than Sydney.
*April 28, 2015*

**Physics **

Periodic waves spread out over the surface of a lake where two women, Jenna and Mel, are fishing in separate boats 97 meters apart. Each woman's boat bobs up and down 31/min. At a time when Jenna's boat is at a crest, Mel's boat is at its lowest point, and there ...
*April 28, 2015*

**physics**

A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, the spring is in the original unstretched equilibrium position it had before the mass was attached; the low point is 8.6cm below this. What is the period of ...
*April 28, 2015*

**Math **

Find area of the region under the curve y=9−2x2 and above the x-axis. area=?
*April 28, 2015*

**Health**

__________ supervision means you keep your children in your view when they are in or near water. A. Active**** B. Quiet C. Loud D. Adult
*April 28, 2015*

**physics**

A solid ball with a mass m = 0.53 kg floats in a tank of water. The ball is made of material with a density of 400 . The density of water is 1000 . What fraction of the volume of the ball is below the waterline?
*April 28, 2015*

**Chemistry**

In a basic solution how does the concentration of H3O+ compare to concentration of OH-?
*April 28, 2015*

**physics **

Vibrating a long spring with a succession of pulses with a frequency of 50hz produces adjecent nodes that are separated by 3.5cm. What is the velocity of the longitudinal waves formed?
*April 28, 2015*

**French**

We put napkins on the table. I want to use a form of the expression "mettre sur la table."
*April 28, 2015*

**French**

Is this sentence correct? On met sur la table des nappes.
*April 28, 2015*

**PHYSICS**

A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 500 Hz. The next higher harmonic has a frequency of 611 Hz. The speed of sound in air is 343 m/s. (a) What is the integer n that describes the harmonic whose frequency is 500 Hz? (b) ...
*April 28, 2015*

**L.A. Please Help**

^ those are the correct answers
*April 28, 2015*

**L.A. Please Help**

those are all wrong..thanks for lowering my grade idiot..
*April 28, 2015*

**5th grade (math)**

Thank u v. Much!!!
*April 28, 2015*

**Math**

If 5 times a number n is subtracted from 15, the result is negative. Which of the following gives the possible value(s) for n? A. 0 only B. 3 only C. 10 only D. All n is greater than 3 E. All n is less than 3
*April 27, 2015*

**English**

In this sentence, f has to be omitted. Should f be italicized?
*April 27, 2015*

**English**

Should the first letter of these words be capitalized in this sentence or not? I'm quoting them from a poem, and they are not capitalized there. Should I add a comma before "diverged"? The words "diverged," "both," and "another day" ...
*April 27, 2015*

**Social Studies I NEED HELP PLEASE!!!**

So answer choice B is incorrect for 2? If so. I'm sorry.
*April 27, 2015*

**Social Studies I NEED HELP PLEASE!!!**

I was thinking 2 is B, because back in the day most of Eastern Europe was under Communist rule. Communism was a totalitarian state. But I maybe wrong on the answer choice.
*April 27, 2015*

**Math**

The temperature, t, in degrees Fahrenheit, in a certain town on a certain spring day satisfies the inequality | t - 24 | is less than or equal to 30. Which of the following temperatures, in degrees Fahrenheit, is NOT in this range? F. -10 G. -6 H. -5 J. 0 K. 54
*April 27, 2015*

**geometry**

50 / 2 = ?
*April 27, 2015*

**Organic chemistry**

Help with prediction products of a reaction! 4-phenylbutanoyl chloride + AlCl3 --> ? the molecular formula of the product is C10H10O, and I need to determine the product. I was thinking an acylium ion would form, and then the carbonyl carbon would form a bond with the ring ...
*April 27, 2015*

**Art**

I agree with goish. I got 100, too!
*April 27, 2015*

**Art**

#3 Is A.
*April 27, 2015*

**Algebra**

At Central High School, the sophomore class has 60 more students than the freshman class. The junior class has 50 fewer than twice the number of students in the freshman class. The senior class is three times as large as the freshman class. If there are a total of 1,424 ...
*April 27, 2015*

**PHYSICS**

How do I solve this? A satellite has a mass of 5949 kg and is in a circular orbit 4.07 × 105 m above the surface of a planet. The period of the orbit is 1.9 hours. The radius of the planet is 4.55 × 106 m. What would be the true weight of the satellite if it were ...
*April 27, 2015*

**World Geo, Help pls**

9 is Dutch.
*April 27, 2015*

**Accounting **

DeWeese Corporation issues $400,000 of 8%, 5-year bonds on January 1, 2015, at 105. Assuming that the straight-line method is used to amortize the premium, what is the total amount of interest expense for 2015?
*April 27, 2015*

**Civics**

thanks!
*April 27, 2015*

**Civics**

In which type of government would people elect officials to make government decisions? Monarchy Direct Democracy Representative Democracy*** Autocracy
*April 27, 2015*

**Math**

Solve the equations to the nearest tenth and use the given restrictions. 2. sin theta = -0.204, for 90 degs < theta < 270 degs Ans: 191.8 degs?
*April 27, 2015*

**Civics**

Thanks! can u help me with a couple more?
*April 27, 2015*