Monday

August 29, 2016
**Geography**

In December 1849, Rev. Josef Arnost Bergmann left his Czech homeland to minister to German Protestants in Texas. Pastor Bergmann and his family arrived in Galveston in 1850 and made their way to Cat Spring. There in Austin County he led the Easter service for the congregation ...
*Monday, December 7, 2015 by Anonymous*

**English**

1.In "Delfino II:nDiez in the Desert," the first thing that went wrong on Diez's ill-fated trip was that. A. a woman became delirious and died. B. a rash struck those who had been slashed by cactus needles. C.Diez got in a fistfight with his coyote trainee. D. ...
*Monday, December 7, 2015 by GummyBears*

**English**

I have a few questions. It was a long assignment and most of the questions were easy but a few I'm nervous about. Short story "The Olympic Swimmer" Who will be the winner bold? Athletes from both far and near Train and strain to be the best. But who will win the ...
*Monday, December 7, 2015 by Anon*

**Calculus**

A baseball diamond is a square 90 ft on a side. A player runs from first base to second base at 15 ft/sec. At what rate is the player's distance from home base increasing when he is half way from first to second base?
*Monday, December 7, 2015 by Erik*

**math**

Which comes first greatest to least 4 3/16, 4.44, 4 1/8, or 4
*Monday, December 7, 2015 by Anonymous*

**Math**

Hi y’all, me again. Can you help me on this? I got some answers, and I hope they are all right. Please let me know! Thanks! :) 1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the number of ...
*Monday, December 7, 2015 by Samantha*

**Math please help**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?
*Monday, December 7, 2015 by Kim*

**English**

Is it okay to tell in the first paragraph of a cover letter who I am and how many years of education I have?
*Monday, December 7, 2015 by Anonymous*

**Math trigonometry**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?
*Monday, December 7, 2015 by Kim*

**PreCalculas help**

I really need help Find the equation of the hyperbola 1.Vertices(-4,0)(4,0) Asymptotes: y=1/3x, y=-1/3x 2.Vertices(-6,0)(6,0) Asymptotes: y=4/3x, y=-4/3x For the first one i got ((x-9)^2+y^2-(x+9)^2+y^2+16=0
*Monday, December 7, 2015 by Ryan*

**Math**

The fifth term of an arithmetic progression is 19 and the fourteenth term is 15. Find the, first term, common difference, and sum of the first eighty terms.
*Monday, December 7, 2015 by Destiny*

**Math**

A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function? I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?
*Monday, December 7, 2015 by Kim*

**Language Arts**

Which question should you ask during your first read of the multi-draft reading process? A. what is the authors purpose in writing this piece ? ** B.how has this work increased my knowledge of a subject , issue , event . C. what evidence does the author present to explain or ...
*Sunday, December 6, 2015 by HELP ASAP PLEASE*

**Computer Science**

Write a flowchart of a program for first n even number
*Sunday, December 6, 2015 by Shraddha*

**Maths Arithmetic**

(2) How Many Terms Has The A.P Whose First Term Is 15 Aod The Last Term Is 57 Given That The Common Difference Is 3?
*Sunday, December 6, 2015 by Elijah*

**Cht Ningi**

The 9th And 22nd Term Of An A.P Are 29 And 55 Respectively. Find The Sum Of It's First 60 Terms
*Sunday, December 6, 2015 by Elijah*

**gifted ELA**

Hello, I go to C.A and this is a review before my last test. I think I know the answers but just looking for someone to double check! Please help :-) 1. What effect does Father’s return have on the Sakane family? A Yuki finds it hard to adjust to having both parents tell ...
*Saturday, December 5, 2015 by David Walters*

**ELA**

What effect does Father’s return have on the Sakane family? A Yuki finds it hard to adjust to having both parents tell her what to do B Yuki’s mother continues to worry about the safety of her family C Ken is relieved that his father will take over as head of the ...
*Saturday, December 5, 2015 by Devin*

**statistics**

A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than examine the records for all students, the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. Use a 95% ...
*Saturday, December 5, 2015 by S*

**Biology**

There is a loud crash in the room behind you and you jump. which part of your nervous system caused that response/ A. somatic nervous system? C. central nervous system D. sympathetic branch E. parasympathetic branch My teacher told me b was wrong so thats why it's missing ...
*Saturday, December 5, 2015 by Sherianna*

**algebra**

a water rocket is launched with an initial velocity of 112ft/sec. its height h, in feet T seconds is given by the formula h=112T-16T^2. when will the rocket be exactly 192 ft above the ground? the rocket first reaches a height of 192ft after _____ and reaches 192ft a second ...
*Saturday, December 5, 2015 by lauren*

**English**

Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect match for...
*Saturday, December 5, 2015 by Brian*

**Algebra**

Last year, Deon had $10,000 to invest. He invested some of it in an account that paid 6%simple interest per year, and he invested the rest in an account that paid 9% simple interest per year. After one year, he received a total of $810 in interest. How much did he invest in ...
*Friday, December 4, 2015 by Gianna*

** ASAP language arts help like NOW PLZ**

11.) which of the following sentences contains a linking verb. A. yesterday sarah experienced rock climbing for the very first time. B. sarah seemed nervous at first. C.she climbed very good for a beginner. D.i think sarah likes rock climing. i chose A. am i right
*Friday, December 4, 2015 by k.c undercover*

**Physics **

A horizontal water pipe goes from a large diameter to a small diameter and then back to the first diameter as shown in the figure below. The level of water (8cm in the larger tube and 4 cm in the constricted tube) in the small vertical tubes provides us with information about ...
*Friday, December 4, 2015 by Anna*

**History**

1) Why was George Washington cautious in all he did as the nation's first president? 1 - Laws he established as president were not reviewed by advisers, so there was no room for error. 2 - There was no vice president who could assume the role of president if something ...
*Friday, December 4, 2015 by person*

**History**

7.)Why was the repeal of the judiciary the act of 1801 significant A.)It made crimes related to slavery enforceable by law B.)In the early 1800's what the usual reason for working class children to be separated from their family? C.)It was the first decision by the nation...
*Friday, December 4, 2015 by YRN DJ*

**gammar**

He had HepB at 1 day of age at 8 weeks he had HepB, DTaP, Hib, IPV, and PCV. This is a fragment that requires a verb. This is a comma splice that can be fixed by changing the comma after HepB to a semicolon. This is a run-on that can be fixed by adding a semicolon after age. ...
*Friday, December 4, 2015 by kerston*

**physics**

A hiker begins a trip by first walking 25.0 km 45.0° south of east from her base camp.On the second day she walks 40.0 km in a direction 60.0° north of east, at which point she discovers a forest ranger’s tower.Find the magnitude of the displacement from base camp...
*Thursday, December 3, 2015 by jasmeen*

**Science**

1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
*Thursday, December 3, 2015 by Cami*

**Science**

1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
*Thursday, December 3, 2015 by Cami*

**SCIENCE ...Check answers PLZ**

1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
*Thursday, December 3, 2015 by Cami*

**Math**

write the first 10 multiples of 3
*Thursday, December 3, 2015 by Claire*

**math**

A local Dot Dress Shop is selling a suit for $99. Because of changing styles, the first markdown was 8% and second markdown was 25%. The suit still did not sell, so a final markdown of 10% was taken. The sale price is currently:
*Thursday, December 3, 2015 by tyronne*

**math**

In a grand prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race. Who won the race?
*Thursday, December 3, 2015 by DC*

**Math**

Traveled 68 miles first day second day traveled 10 fewer miles third day traveled 85 miles. How many miles did they travel
*Thursday, December 3, 2015 by Tiana*

**SCIENCE**

1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
*Thursday, December 3, 2015 by Cami*

**Programming Logic and Design**

Design an application that accepts eight friends' first names and displays them in alphabetical order
*Thursday, December 3, 2015 by Charles*

**Curriculum Areas**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Thursday, December 3, 2015 by Anonymous*

**Maths**

The sixth term of GP is 16 and the third term is 2.Find the first term and common ratio. 6th term =16 3rd term=2 So ar^5=16 and ar^2=2, then divide. So r^3=8, and r^3 =2^3. Therefore r =2 and a=1/2
*Thursday, December 3, 2015 by Vin Mwale*

**Maths**

The sum of n numbers of geometric progression is GP=(2^n+1)-1. Find the first term and the common difference.
*Thursday, December 3, 2015 by Vincent*

**physics**

two people run a race around a track. One is in the first lane and the other is in the 7th lane. they both start at the same start line. They both finish in the same amount of time, but the runner in the outside lane is determined to be the winner. Wh?
*Wednesday, December 2, 2015 by Anonymous*

**Math**

Determine which system below will produce infinitely many solutions. A.-6x+3y=18 4x-3y=6 B.2x+4y=24 6x+12y=36 C.3x-y=14 -9x+3y=-42 D.5x+2y=13 -x+4y=-6 Solve the system of equations. x + 3y = −1 2x + 2y = 6 A.(-4,1) B.(2,-1) C.(4,-1) D.(5,-2) I think the answers are B for...
*Wednesday, December 2, 2015 by Juliet*

**Chemistry**

How do you determine the number of valence electrons in one atom of each of the following elements. ... We had 20 elements overall for homework so I listed the first 5 A) Na B.) F C.) Rb D.) Ba E.) I
*Wednesday, December 2, 2015 by Allison*

**Math 1**

AT&T:$0.08 per minute,$5 monthly fee VOIP:(cable phone):free calls,$35 monthly fee Cell:$40 for first 400 minutes,$0.25 per minute after 400 equation for each? how to graph?
*Wednesday, December 2, 2015 by Alexis*

**GENETICS ASAP**

How do the nucleotides affect the DNA? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This question had two parts but I already the the first part and half of the second, so could you help me with this last part? Thanks in advanced, Derpy Pegasus
*Wednesday, December 2, 2015 by Derpy Pegasus*

**Physics**

A molecule consists of two atoms. The atoms have masses of 20 u and 10 u and are 1.08 *10^-10 m apart. How far from the first atom is the center of mass of the molecule? Can someone help please I tried: (20u*(1.08 *10^-10m)) + (10u*(1.08 *10^-10))/ (20u+10u) and just got 1.08...
*Wednesday, December 2, 2015 by John Oben*

**civics**

Please check my answers! 1. The Nineteenth Amendment granted women the right to vote, but women had been fighting for years for this right. Before the Nineteenth Amendment was passed, which existing amendment could women have used to argue that they should have the right to ...
*Wednesday, December 2, 2015 by j*

**Math**

A train leaves San Diego at 1:00 PM. A second train leaves the same city in the same direction at 4:00 PM. The second train travels 78 mph faster than the first. If the second train overtakes the first at 6:00 PM, what is the speed of each of the two trains?
*Wednesday, December 2, 2015 by Thomas*

**Mathematics**

To earn an A in a course, a student must have a final grade of at least 0.9. On the first our examinations, a student scores 0.87, 0.89, 0.91, and 0.85. If the scores in the final examination counts as two examinations, what must this student get on the finals to earn an A (0....
*Wednesday, December 2, 2015 by Sylvestre*

**Creative Activities in Other Curriculum Areas**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Wednesday, December 2, 2015 by Anonymous*

**English**

Fifty states make up the U.S.A. 1. The U.S.A is made up by fifty states. 2. The U.S.A. is make up of fifty states. ============ Q1: Which one is the passive sentence of the first sentence? Q2: Are both grammatical? What is the difference between them in meaning?
*Tuesday, December 1, 2015 by rfvv*

**math**

sharon has 7/8 yard of fabric to use for some projects . she cut off 0.5 yard for her first project . how much material is left for the remaining projects?
*Tuesday, December 1, 2015 by anna*

**algebra**

Speed cell wireless offers a plan of $40 for the first 400 minutes and an additional 0.50 for every minute over 400. Let t represent the total talk time in minutes. Write a piecewise -defined function to represent the cost C(T)
*Tuesday, December 1, 2015 by jacqueline*

**English**

I have to include the following rhetorical appeals but idk if this is ok and i'm stuck on including ethos... Ethos: trustworthiness or credibility Logos: logic, data Pathos: emotion ___________________________________________________ Here's my sentence: Maddy ...
*Tuesday, December 1, 2015 by Emma*

**Language arts**

Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snow sticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically, an avalanche happens when the gravity of ...
*Tuesday, December 1, 2015 by Lang art help!*

**History **

1. Which of the following did George Washington do during his presidency? -established a cabinet of advisers** -limited himself to one term in office -offered military support in foreign wars -served ties with Great Britain 2. What precedent did George Washington set by ...
*Tuesday, December 1, 2015 by Mason*

**isah**

the sixth term of arithmetical progression is half of its twelfth term.the first term is equal to
*Tuesday, December 1, 2015 by abdulraheed*

**Math**

Kala made $20,000 in taxable income last year. Suppose the income tax rate is 15% for the first $8500 plus 19% for the amount over $8500 . How much must Kala pay in income tax for last year?
*Tuesday, December 1, 2015 by Brenna Holdcraft*

**Chemistry**

A substance undergoes a first-order decomposition. After 40.0 min at 500 degrees C, only 12.5% of the original sample remains. What is the half-life of the decomposition? If the original sample weighted 243 g, how much would remain after 2 hours?
*Monday, November 30, 2015 by Bob*

**PreCalculas**

The nth term of a a geometric sequence is given by a_n=27(0.1)^n-1 . Write the first five terms of this sequence. Can i get some help
*Monday, November 30, 2015 by Anonymous*

**Physics**

1. The problem statement, all variables and given/known data A 2.0-m measuring stick of mass 0.175 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 74.0 cm from the center. Both the stick and the table surface are frictionless. The stick ...
*Monday, November 30, 2015 by Tyler*

**Math**

1.The nth term of a geometric sequence is given by a_n=1/4(4)^n-1 . Write the first five terms of this sequence. 2.The nth term of a a geometric sequence is given by a_n=27(0.1)^n-1 . Write the first five terms of this sequence.
*Monday, November 30, 2015 by Anonymous*

**Algebra**

Two trains are 450 miles apart, and are traveling toward each other at the same time. They meet 6 hrs later. The speed of the first train is 25 mph faster than that of the second train. What is the speed of each train?
*Monday, November 30, 2015 by E*

**math**

A company made 4 million in the second quarter this is 1/3 more than it made in the first quarter and 4/5 of what it made in the third quarter how much did the company make in the three quarters combined
*Monday, November 30, 2015 by Monique*

**Language Arts**

Write present, present participle, past or past participle to identify the form of the underlined verb. I need to know first what is present participle and what is past participle? 1. Machines existed in Leonardo's day. Existed is underlined so I am saying this is just ...
*Monday, November 30, 2015 by Patrick*

**Music**

in key signatures with sharps the key is A.One half step up from the last sharp B.The next to last sharp C.One half step up from the last flat**** D.One whole step up from the last sharp which is true of a key signature with flats A.The next to last flat is the same as the key...
*Monday, November 30, 2015 by Janet*

**Math**

1 Write the fraction one-eighth as a percent. Round to the nearest hundredth of a percent where necessary. (1 point) 12.50% 37.50% 62.50% 80.00% 2 Write the decimal 0.063 as a percent. (1 point) 0.63% 6.30% 63% 630% 3 After a study was completed at a local college, it was ...
*Monday, November 30, 2015 by math HELP!*

**math**

A potato is put into an oven that has been heated to 350°F. Its temperature as a function of time is given by T(t)=a(1-e^kt)+b. The potato was 50F when it was first put into the oven. 1.If the potato is 60°F after 2 minutes, what is the value of k? 2.When will ...
*Monday, November 30, 2015 by Kenneth*

**maths**

The sum of first 20 terms of an AP is equal to the sum of first 30 terms .Show that the sum of 50 terms of an AP is 0.
*Monday, November 30, 2015 by Yashwanth*

**Algebra**

What would be the first step to solving each equation, Add 4, Subtract 4, Multiply by 4, or Divided by 4? 1. 4 + 4n = -12 2. 4n = -12 3. n/4 = -12 4. n/4 - 4 = -12
*Sunday, November 29, 2015 by Remi*

**State History**

Who would say this, They think they own the state because they were here first. Their is no way I would vote for the capital to be New Orleans? A. A Native American in Louisiana B. A Creole land owner in Louisiana C. A American land owner in Louisiana D. A free person of color...
*Sunday, November 29, 2015 by CountryQueen*

**Early Childhood**

1. Using macaroni in child’s art project A. Is a creative use. B. Should be done only with supervision. C. Should be discouraged because. D. Isn’t a good idea; young children might try to eat it. 2. The use of rhythm instruments in a music program A. Is most ...
*Sunday, November 29, 2015 by Tum*

**math**

You are riding your bike at a constant speed of 30 feet per second. A friend uses a stopwatch to time you as you are riding along a city block that is 240 feet long. 1. Make a table to represent the situation where the independent variable is time and the dependent variable is...
*Sunday, November 29, 2015 by Rabie*

**physics**

A 30kg sled(with rider) slides without friction down a small, ice covered hill. On the first run the sled starts from rest and its speed at the bottom of the hill is 8.50m/s. On the second run the sled starts with a speed of 1.50m/s at the top. Find the speed of the sled at ...
*Sunday, November 29, 2015 by Shakedown78*

**science**

First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t)=y0+v0t−(1/2)gt2, where y0=0 is the initial position (which is 1.2 m above the ground due to the wheels of the cannon), v0 is the ...
*Sunday, November 29, 2015 by sharon*

**History**

Who would say this, They think they own the state because they were here first. Their is no way I would vote for the capital to be New Orleans? A. A Native American in Louisiana B. A Creole land owner in Louisiana C. A American land owner in Louisiana D. A free person of color...
*Saturday, November 28, 2015 by CountryQueen*

**M**

FIRST QUESTION: A SOCK DRAWER HAS 2 BLUE PAIR,4 WHITE PAIR, 4 BLACK PAIR. WHAT IS THE PROBABILITY YOU WILL PICK OUT A WHITE PAIR OR A BLUE PAIR. YOU REPLACE EACH PAIR AFTER YOU PICK. SECOND QUESTION: WHAT IS THE PROBABILITY YOU CAAN PICK OUT 1 BLUE, 1 WHITE, OR 1 BLACK. YOU ...
*Saturday, November 28, 2015 by nicole*

**accounting**

Total Assets Total Liabilities Beginning of the year $550,000 $215,000 End of the year 844,000 320,000 On the basis of the preceding data and the following additional information for the year, determine the net income (or loss) of each company for the year. (Hint: First ...
*Saturday, November 28, 2015 by eddie*

**accounting I**

stock outstanding as follows: 15,000 shares of cumulative 4%, preferred stock of $20 par, and 19,000 shares of $100 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $4,500; second year, $6,300; third year...
*Saturday, November 28, 2015 by eddie*

**Grammer**

When ending a letter to a high gov't official with the phrase 'Respectfully Submitted', are both words capitalized, or just the first?
*Saturday, November 28, 2015 by Robert*

**Math (prob)**

The probability of an outstanding student pass a biology test is 60%. If he takes three test, which are the experimental results for each test? My doubt is if I should consider the pass=.6 since the first event or when it mentions that the probability is .6 and he takes three ...
*Saturday, November 28, 2015 by Bet*

**algebra**

Three numbers are such that the first number is 10 less than twice the second and the second number is 4 more than three times the third. Twice the second number is equal to the sum of the first and third numbers. Find the numbers
*Saturday, November 28, 2015 by Kevin Kirkpatrick*

**Physics **

Alex comes across a deep ravine. She was planning on this as she packed a 3.8 m portable telescoping extension ladder. It has a mass of 15 kg. She was told that in order to get to the skull’s last known location, she must get across this 2 m gap. ------- | \3.8m | \ _|_2m...
*Saturday, November 28, 2015 by colcol*

**math**

The sum of all five terms of an arithmetic sequence is 55. Find the sum of the first three terms of the sequence if the sum of the last three is 48.
*Friday, November 27, 2015 by asd*

**science (I NEED BACKUP!!!)**

1. Which is the most complete model of feeding relationships? a.) food web b.) food chain c.) food pyramid d.) all of the above 2. _____ eat consumers only, while _____ eat both consumers and producers. a.) Producers; carnivores b.) Carnivores; omnivores c.) Herbivores; ...
*Friday, November 27, 2015 by Emilia*

**literature for kids**

Picture books are usually written on a __________ reading level. A. kindergarten B. first-grade C. third-grade D. fifth-grade A?
*Friday, November 27, 2015 by bev*

**Physics**

A block with a mass m = 3.50 kg sits on a surface with a coefficient of static friction µs = 0.520. A spring with spring constant k = 75.0 N/m is hooked onto the block, and is slowly pulled horizontally, gradually stretching the spring. (a) When the spring is stretched ...
*Thursday, November 26, 2015 by Jade*

**READING & WRITING PROCESS**

1) CARMEN ASSERTS THAT A STRONG CONCLUSION TO AN ESSAY SHOULD LOOK AHEAD AND PRESENT A CALL FOR ACTION. CARL AGREES, EXCEPT HE INSISTS THAT A STRONG CONCLUSION SHOULD RESTATE THE THESIS VERBATIM. WHO IS CORRECT? A) Both Carmen and Carl are correct B) Only Carmen is correct C) ...
*Thursday, November 26, 2015 by Debora*

**Pre Calculas**

True or false (logx)^2=2logx True or false in56/in7=in8 i got true for the first one and false on the second im sorry for posting today but i just need someone to check
*Thursday, November 26, 2015 by Ryan*

**Math**

The sum of two acute angles in a right triangle is 90 degrees. Find the acute angles on the right triangel wherein twice the first is 40 degrees more than thrice the second
*Thursday, November 26, 2015 by Rin*

**Physics**

Joan comes across a deep ravine. She was planning on this as she packed a 3.8 m portable telescoping extension ladder. It has a mass of 15 kg. She was told that in order to get to the skull’s last known location, she must get across this 2 m gap. --- | \3.8m | \ __|_2m\...
*Thursday, November 26, 2015 by Lilly *

**Heat and Heat Transfer**

Two calorimeters each contain 1.4L of water and have a temperature of 26°C In the first calorimeter, you burn a sample of candle wax and determine that 108.2kJ of energy is released. In the second calorimeter, you have to burn 5.4g of candle wax to raise the temperature of...
*Wednesday, November 25, 2015 by Kid*

**Algebra**

Mr. Wright has a class of 15 students. He can spend $23 on each student to buy math supplies for the year. He first buys all of his students calculators, which costs a total of $69.45. After buying the calculators, how much does he have left to spend on each student?
*Wednesday, November 25, 2015 by Caleb*

**Physics**

Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones. Little does she know ...
*Wednesday, November 25, 2015 by cocol*

**Algebra 1 Honors**

A taxi cab charges $2.50 for the first mile and $0.35 for each quarter mile after that. Johns taxi ride to he airport was 15.75 miles. What was his fare?
*Wednesday, November 25, 2015 by Shawn*

**math/ pre algebra**

Lydia rode 243 miles in a three day bike trip. On the first day, Lydia rode 67 miles. On the second day, she rode 92 miles. How many miles per hour did she average on the third day if she rode for 7 hours?
*Wednesday, November 25, 2015 by neftali *

**differential equations**

Convert x''+ sin(x) = 0 into a first order system of equations. (x'' refers to the second derivative of x). I tried: y1 = sin(x) y2 = x' {y1' = cosx {y2' = -sinx Not sure if I did it right.
*Wednesday, November 25, 2015 by Sarah*

**Statistics**

3. For the following data set, the dependent variable {response) is the first variable. Choose the independent variables {predictors) as you judge appropriate. Use a spreadsheet or a statistical package (e.g., SPSS or SYSTAT or MIN1TAB) to perform the necessary regression ...
*Wednesday, November 25, 2015 by Shikha*

**Algebra **

Steve made a business trip of 254 miles. He averaged 57 MPH for the first part and 56 MPH for the second part. If the trip took 4.5 hours, how long did he travel at each rate?
*Wednesday, November 25, 2015 by Matt*