Friday

July 29, 2016
**Algebra**

he sum of three integers is 193. The sum of the first and second integers exceeds the third by 85. The third integer is 15 less than the first. Find the three integers.
*Tuesday, February 23, 2016 by diane*

**algebra**

In a triangle,the second angle is twice the first. The third angle is six less than triple the first.
*Tuesday, February 23, 2016 by Jess *

**algebra**

In a triangle,the second angle is twice the first. The third angle is six less than than triple the first.
*Tuesday, February 23, 2016 by Jess *

**physics**

A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 235 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.2 m/s relative to the shore, and then hops onto an identical floating log that is ...
*Tuesday, February 23, 2016 by Tara*

**Algebra 2**

To solve 49(3x) = 343(2x+1), write each side of the equation in terms of base what? . In the brackets are powers. I tried to solve this but I don't understand I believe it is the first base you go off from but I'm not sure what I'm doing and a reassurance and an ...
*Tuesday, February 23, 2016 by Ryan *

**STATISTIC**

Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which deal is closer to the ...
*Tuesday, February 23, 2016 by Vedrana*

**further maths**

the first 3 terms of an AP are x, 2x+1 and 5x-1. find x and the sum of the first 10 terms
*Tuesday, February 23, 2016 by precious*

**Math**

I'm really struggling with this -- I have different table configurations - straight line, L-shaped, plus sign-shaped, and T-shaped. Suppose there are n tables arranged in these patterns. I need to write an expression of the number of tables with 2 chairs. Our teacher gave ...
*Tuesday, February 23, 2016 by Carly*

**Geometry**

Name the angle that is supplementary to <COD a.<COA B.<BOC C.<COB D.<BOA Classify the triangle with angles with the measures 33,90, and 57 as acute, right, or obtuse a.Acute b.Right c.Obtuse Sandra is making the shape of a rhombus the first three angles are 75, ...
*Tuesday, February 23, 2016 by Sid.V*

**u.s. history**

. In 1840 the population of chicago was only 4,470. by 1990 the city's population was 1, 698,575 which factor best explains the population change A- the constructuion of railroads connecting northeastern cities and Midwestern farms B- the reduction in immigration quotas on...
*Tuesday, February 23, 2016 by Anonymous*

**math**

Ms. Hardin invested $70,000 in three stocks. The first year, stock A paid 6% dividends and increased 4% in value; stock B paid 8% dividends and increased 5% in value; stock C paid 9% dividends and increased 3% in value. If the total dividends were $5180 and the total increase ...
*Tuesday, February 23, 2016 by sara*

**English**

Which sentence uses an infinitive as a noun? A) The best movie to watch is coming on TV tonight at 9:00. B) Phil wanted to play video games, but he finished his homework first. C) The cheerleaders traveled to the away games to cheer for the football team. D) Rachel is the ...
*Tuesday, February 23, 2016 by MarK*

**Maths**

How many four digit numbers can be made without the first digit being 0 from 2006?
*Tuesday, February 23, 2016 by Anonymous*

**chem-1**

a first order reaction 50% complets in 20 min.how much time will be required for 90% completion?
*Tuesday, February 23, 2016 by nisha*

**calculus**

There is a shape first a regular triangle inscribed in a circle, and inscribed in a square, inscribed in a circle, inscribed in a pentagon, etc. so polygon circle polygon circle, etc. the radius of the first circle is 1, find an equation for radius n. number 2:give an argument...
*Monday, February 22, 2016 by Andre*

**CHEMISTRY**

I'm showing the procedure of the lab and what was asked. What I have question on is towards the end. Much help would be appreciated a lot!! First I had to balance the equation given to me: 2 Na HCO3 (s) Δ over arrow (produces) Na2 CO3 (s) + CO2 (g) + H2O (g). From the...
*Monday, February 22, 2016 by Allie*

**CHEMISTRY **

I'm showing the procedure of the lab and what was asked. What I have question on is towards the end. Much help would be appreciated a lot!! First I had to balance the equation given to me: 2 Na HCO3 (s) Δ over arrow (produces) Na2 CO3 (s) + CO2 (g) + H2O (g). From the...
*Monday, February 22, 2016 by Allie*

**English**

Help, Please! I don't quite understand what is asking in this assignment (Essay) Task: Write an essay that compares Frankenstein and his creation to a modern zombie story with the focus on how a monster might be used as a metaphor for science or scientific advances and/or ...
*Monday, February 22, 2016 by Sarah*

**math**

I have 3 balls in a box, one red, one blue, and one green. Am I more likely to draw a red ball followed by a green ball or a blue ball among the first two balls to be drawn?
*Monday, February 22, 2016 by Terri*

**math**

Consider the series 1+(2+3)+(4+5+6)+(7+8+9+10)+(11+12+13+14+15)+.... (a) find an expression for the ith term in the rth bracket. (b) Given that 39×79 is the sum of all the numbers in the first 6 bracket in the series, find the value of K.
*Monday, February 22, 2016 by obeng manu*

**Consumer math**

Could someone please check my answers? Secured Credit APR Excellent 4.75% Good 5.00% Average 5.85% Fair 6.40% Poor 7.50% -------------------------- Unsecured Credit APR Excellent 5.50% Good 5.90% Average 6.75% Fair 7.25% Poor 8.40% --------------------------- 12. You are ...
*Monday, February 22, 2016 by Nikki*

**mathematics**

I. In how many ways can the first, second and third positions be taken by candidates in a test, assuming that there must be no tie.
*Monday, February 22, 2016 by nnamdi*

**math, permutations and combination**

1. A group of 25 lecturers include six mathematician. In how many ways can a committee of 4 be selected from this group to include at least one mathematician? 2. In how many ways can the first, second and third positions be taken by ten candidates in a test, assuming that ...
*Monday, February 22, 2016 by anyanwu nnamdi david*

**Math**

You have two loans, for 2 years each. The total interest for the two loans is $138. On the first loan, you pay 7.5% simple interest on a principal of $800. On the second loan, you pay 3% simple interest. What is the principal for the second loan?
*Monday, February 22, 2016 by Suzie Q*

**gen chem**

The rate constant of a first order reaction is 4.60 x 10-4 s-1 at 350 oC. If the activation energy is 104 kJ/mol, calculate the temperature in Kelvin at which its rate constant is 1.80 x 10-3 s-1.
*Monday, February 22, 2016 by Anonymous*

**English (Check)**

List examples and details that show that the passages are firsthand historical narratives. 1. While the ships stayed, our allowance was somewhat bettered by a daily proportion of biscuit which the sailors would pilfer to sell, give, or exchange with use for money, sassafras, ...
*Sunday, February 21, 2016 by Victoria*

**English (Check)**

Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a ...
*Sunday, February 21, 2016 by Victoria*

**Trig Identities**

Why does cos^2(x)= 1/2cos(2x)+1/2? I am trying to integrate, but the answer key says to first rewrite the expression like the above. I don't get how to change cos^2(x) into that. Explain?
*Sunday, February 21, 2016 by Betty*

**English (Check)**

Read each of the following excerpts from Journal of the First Voyage to America. Write what each excerpt reveals about Christopher Columbus. 1. I went ashore, and found no habitation save a single house, and that without an occupant; we had no doubt that the people had fled in...
*Sunday, February 21, 2016 by Victoria*

**Algebra**

I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (-1,200). I did (x-1/2)(x-1)(x-3+2i)(x-3-2i) as my first step Is that right? Then ...
*Sunday, February 21, 2016 by Carol*

**Math**

I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (-1,200). I did (x-1/2)(x-1)(x-3+2i)(x-3-2i) as my first step Is that right? Then ...
*Sunday, February 21, 2016 by Mindy*

**maths**

the value of a car depreciate by 13% of it value in the first year. in the subsequent year the depreciation is 8% of its value at the beginning of the year.the value of the car when new is $45000. find its value when it is four years old.
*Sunday, February 21, 2016 by fernando *

**English (Check/Help)**

Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. 1. Columbus's journal is a marvelous document. 2. His descriptions capture the lush splendor ...
*Sunday, February 21, 2016 by Victoria*

**maths**

if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15 terms of the AP.
*Sunday, February 21, 2016 by manisha*

**algebra or algebra1**

A man invests 10,000 dollars in two accounts, the first yielding 4 percent annual interest and the second, 5 percent. If x dollars is invested in the first account, how much annual interest does the man earn on his investement
*Sunday, February 21, 2016 by sea*

**English (Help!)**

Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. 1. Columbus's journal is a marvelous document. 2. His descriptions capture the lush splendor ...
*Saturday, February 20, 2016 by Victoria*

**Hostelry **

What does truman mean when he claims ,should we fail to aid Greece and turkey in this fateful hour ,will be far reaching to the west as well as to the east?
*Saturday, February 20, 2016 by Cnbccbn*

**English (Check)**

Read the following excerpt from Equiano's autobiography. Then answer the questions below. Some of the people of the ship used to tell me they were going to carry me back to my own country and this made me very happy. I was quite rejoiced at the sound of going back, and ...
*Saturday, February 20, 2016 by Victoria*

**Calculus**

The graph of f ′(x) is continuous and decreasing with an x-intercept at x = 0. Which of the following statements is false? (4 points) The graph of f has an inflection point at x = 0. The graph of f has a relative maximum at x = 0. The graph of f is always concave down. ...
*Saturday, February 20, 2016 by Henry*

**Physics**

Two students each hit a golf ball at the same speed, but the first student hits his ball at an angle of 60.34o with the horizontal, and the second student hits his at (30-0.34)o with the horizontal. Which ball goes further? Which one hits the ground first? (Neglect air ...
*Saturday, February 20, 2016 by Supansa*

**Physics**

Two heavy balls are released from different heights, one 2.34 s after the other. If the two balls hit the ground at the same time, 4.0 s after the first is released, from what heights were they dropped?
*Saturday, February 20, 2016 by Supansa*

**Maths sequences**

Question= Find the sum of all the odd numbers up to and including 99,999. Would a=1 because its the first odd number in the sequence? And would d=2 ? So then would you do S99,999= 49999.5(2+99,998(2)) Then divide by two?
*Saturday, February 20, 2016 by Andy*

**math**

The first three terms of a geometric sequence are: T1; T2; and T3. If T2=T1-4 and T3=T2+9, determine the values of T1; T2 and T3.
*Saturday, February 20, 2016 by mamokgate*

**algebra or algebra1**

A woman works two jobs, making 35 dollars per hour on the first and 25 dollars per hour on the second. One week she works twice as many hours on the first job than the second job and earns 1330 dollars. How many hours did she work on the second job
*Saturday, February 20, 2016 by pink*

**math**

Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the probability he makes the next shot ...
*Friday, February 19, 2016 by chels*

**english **

HE ran away and was gone for a year. When he came home he told me the silly story Of being kidnapped by pirates on Lake Michigan And kept in chains so he could not write me. I pretended to believe it, though I knew very well What he was doing, and that he met The milliner, Mrs...
*Friday, February 19, 2016 by mausa*

**Maths**

If the first,second and fifth terms of AP are three consecutive terms of a GP,find the common ratio?
*Friday, February 19, 2016 by Mr Mwitchi*

**History **

In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. 1. Which contributed the most to San Francisco's population change? (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The Trail of Tears 2...
*Friday, February 19, 2016 by #FreeGucci*

**Math**

the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i dont know the other one.
*Thursday, February 18, 2016 by Kevin*

**statistics**

Two cards selected from standard deck of 52 cards. The first is replaced before second card selected. Find the probability of selecting a diamond and then a king
*Thursday, February 18, 2016 by tim*

**Math**

There are 24 players, on a softball team. 10 of the players can pitch, 6 can play first base, and 4 of the players can do both. How many players can neither pitch nor play first base?
*Thursday, February 18, 2016 by Liahh*

**Math please help urgent!!**

2. If m<1=43, what is m <4? 53 43****** 37 27 3. If m <1=43, what is m <5? 50**** 40 35 25 <=the angle sign Unfortunately i can not link the graph. But it is horizontal and a vertical crossing line then a diagonal line drawn through each right angle mke by the ...
*Thursday, February 18, 2016 by Anna*

**Math **

A house worth $350,000 when purchased was worth $335.000 after the first year and $320,000 after the second year. If the economy does not pick up and this trend continues, what will be the value of the house after 6 years. A) determine if is arithmetic or geometric. Write the ...
*Thursday, February 18, 2016 by Andres*

**Computer Science**

Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2. Display a table ...
*Thursday, February 18, 2016 by Allison*

**Physics**

A third baseman makes a throw to first base 39.7 m away. The ball leaves his hand with a speed of 37.0 m/s at a height of 1.5 m from the ground and making an angle of 19.5 o with the horizontal. How high will the ball be when it gets to first base?
*Thursday, February 18, 2016 by Edwin*

**math**

If third term of an A.P. is four times of first term and sixth term is 17. find the series.
*Thursday, February 18, 2016 by shakib malik*

**Statistics**

The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for simple random samples...
*Thursday, February 18, 2016 by Jim*

**math**

Develop a unit of learning at the end of which learners should be able to: reduce any angle in the first quadrant of a Cartesian plane to a difference of 90 and an acute angle. I have tried it as follows: 1. write down any three acute angles. 2. draw the angles in a Cartesian ...
*Thursday, February 18, 2016 by william*

**CHEMISTRY!!!! HELP**

3.) Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?... I need help with a few more btw to double check if i'm doing these right. So here is what I did: First: balance the equation 2 ...
*Wednesday, February 17, 2016 by Sam*

**Physics**

A decibel meter reads 130 dB at a certain position from a jet plane when one engine is turned on. a) What is the sound intensity at that position? b) What would be the sound level at the same position if two engines are turned on each having the same intensity as the first? ...
*Wednesday, February 17, 2016 by Sophie*

**Chemistry Help please! (:**

Calculate the mass of oxygen gas that can be produced in the decomposition of 5.55 g of silver oxide. This is what I did but is it right?... I need help with a few more btw to double check if i'm doing these right. So here is what I did: First: balance the equation 2 Ag2 O...
*Wednesday, February 17, 2016 by Sam*

**geometry**

find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second
*Wednesday, February 17, 2016 by max*

**HELP**

answers marked below 1. Which of Earth’s spheres contains most of its mass? (1 point) atmosphere hydrosphere geosphere biosphere 2. Erosion and weathering are examples of which types of forces? (1 point) constructive forces destructive forces gravitational forces inertia-...
*Wednesday, February 17, 2016 by BROOKLYN HAYES *

**Math**

A car dealership pays you for percent commission on your first $8000 on car sales and 8% commission on the sale amount over $8000 if you sold a $9000 car how much is your commission A( $720 B( $320 C( $400 D( $80
*Wednesday, February 17, 2016 by jjiiddss*

**help azap math**

Percy wrote this equation to represent the total number of books he carried in two bags. 12 = 7 + b Which situation could be described by this equation? A. Percy knows he has a total of 12 books. He knows he has 7 books in one bag. He does not ...
*Wednesday, February 17, 2016 by dig*

**math**

Percy wrote this equation to represent the total number of books he carried in two bags. 12 = 7 + b Which situation could be described by this equation? A. Percy knows he has a total of 12 books. He knows he has 7 books in one bag. He does not ...
*Wednesday, February 17, 2016 by dig*

**math**

The first term of an arithmetic sequence is 2.The 12th term in the progression is 9 times bigger than the 2nd term. Find the common difference d.
*Wednesday, February 17, 2016 by John*

**Algebra 2**

Donald's Jaguar loses value at 8% per year for the first nine years when should he sell it if he wants to receive 62% of what he paid for it?
*Wednesday, February 17, 2016 by Veronica*

**SCIENCE**

Indicate how to mix two of the first concentration 3.2 M hydrochloric acid solution and the second to 15% by weight and density 1.30Kg / L to obtain 2.5 L of hydrochloric acid solution in 4.2M concentration
*Wednesday, February 17, 2016 by ATTILIA*

**math**

The ratio of boys and girls in a class is 5:3 if 20 % of the boys and 60 % of girls have passed in first class what percentage of the class is in first class?
*Tuesday, February 16, 2016 by Rohit *

**Social Studies (Reed)**

1. What caused a division between Dr. Martin Luther King, Jr., and the black power movement? A: For Martin Luther King, Jr., Black Power was ‘‘essentially an emotional concept’’ that meant ‘‘different things to different people." However, for...
*Tuesday, February 16, 2016 by Victoria*

**Algebra**

Phyllis invested 67000 dollars, split between two different accounts. The money in the first account earns simple interest at the rate of 4 percent per year. The money in the second account earns simple interest at the rate of 6 percent per year. After one year the total ...
*Tuesday, February 16, 2016 by John's*

**Help please? Math 141 (Pre-Cal)**

The number of Sasquatch living t years after 2016 is given by the formula s(t)=(51t+84)/(3t+28). -What value does the Sasquatch population approach in the long run? When will the population (rounded to the nearest Sasquatch) reach this value? (This vale would never be an ...
*Tuesday, February 16, 2016 by Gio*

**Social Studies (Check, Please!)**

1. What caused a division between Dr. Martin Luther King, Jr., and the black power movement? A: For Martin Luther King, Jr., Black Power was ‘‘essentially an emotional concept’’ that meant ‘‘different things to different people." However, for...
*Tuesday, February 16, 2016 by Victoria*

**math (pre calc)**

Imagine that you are driving 150 miles and you want your average speed for the trip to be 60 miles per hour.Imagine that you drive the first half (by distance) of the trip at 50 mph. How fast must you drive on the second half to make your average speed for the whole trip 60 ...
*Tuesday, February 16, 2016 by Ray*

**math**

How do you convert 0,5444444444 into a common fraction by first writing it as a geometric series...I tried it this way 0,5 (0,004+0,0004...)But it doesn't work out please help
*Tuesday, February 16, 2016 by khabonina*

**physics**

Two students on roller skates stand face-toface, then push each other away. One student has a mass of 95 kg and the second student 60 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.
*Tuesday, February 16, 2016 by Madi *

**Maths**

Using subtraction,a frog makes three jumps to reach 1000.The first jump is a 1 digit number,the second is a multiple of 10 and the third is a multiple of 100.Each jump has the same initial digit.What could the subtraction be?
*Tuesday, February 16, 2016 by Tulah*

**A.P AND G.P AND A.M AND G.M**

Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third term is 10 and 8 respectively
*Tuesday, February 16, 2016 by Rachana *

**progressions**

Find the arithmetic progression and sum of its first 20 terms whose arithmetic mean and geometric mean between first and third term is 10 and 8 respectively
*Tuesday, February 16, 2016 by Rachana *

**PHYSICS help plz**

An air-traffic controller observes two aircraft on his radar screen. The first is at altitude 750 m, horizontal distance 20.0 km, and 25.0° south of west. The second aircraft is at altitude 1050 m, horizontal distance 17.0 km, and 17.0° west of south. (a) Write the ...
*Tuesday, February 16, 2016 by SFSU PHYSICS*

**Social Studies (Check, Please!)**

1. Explain how the Gulf of Tonkin Resolution affected the powers of Congress and the presidency. A: The Gulf of Tonkin Resolution authorized the president to "take all necessary measures to repel any armed attack against forces of the United States and to prevent further ...
*Monday, February 15, 2016 by Victoria*

**phy 231**

An object of mass m1=3.3 kg moving at 4.7 m/s strikes a stationary second object of unknown mass. After an elastic collision, the first object is observed moving at 3.76 m/s at an angle of -41° with respect to the original line of motion. What is the energy of the second ...
*Monday, February 15, 2016 by Andrea*

**Social Studies**

~Why was paper invented? ~ Since people started to write, they also started to come up with something to write on, for the longest time they used something call papyrus or parchment. But papyrus is rock like, so they made something easier to write on and its call paper. Paper...
*Monday, February 15, 2016 by little dark one*

**Building science&propaties of materials**

With the aid of a diagram explain the change in frequency with respect to changes in mass,leinght tension on a sonometer bridge
*Monday, February 15, 2016 by Hamza umar*

**Help L.A.**

I think the two sound devices that are given in the poem are alliteration and repetition. Alliteration is used, noticeably, in the first line. “Full fathom five thy father lies;”. Notice the letter “F” is constant? Alliteration is the repetition of sound of...
*Monday, February 15, 2016 by Coral*

**programming logic and design**

Using pseudocode or a flowchart write a program that does the following: Allow the end user to enter the category the ad will appear in (ex. Automobiles), Number of words and Customer Name Calculate the cost based on 50 cents per word for the first 15 and 25 cents for each ...
*Monday, February 15, 2016 by mel*

**maths**

I am a multiple of 100, the sum of my four digits is six, the product of my first two digits is nine
*Monday, February 15, 2016 by irene*

**furthermaths**

The sum of the first ten terms of a linear sequence is 60 and the sum of the first fifteen terms of the sequence is 165.find the 18th term of the sequence.
*Monday, February 15, 2016 by gwendoline*

**Math**

use newton's method to estimate all real solutions of the equation x^3. I am having trouble coming up with a good guess. I went with x1=1, but that doesn't seem to be working. Any thoughts on which number should be the best first guess?
*Monday, February 15, 2016 by Betty*

**URGENT! Due soon and I used 8 of 10 attempts **

Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive isotope 14C present in the object. The amount of isotope decreases in a first-order process. If 14.5% of the original amount of 14C is present in a wooden tool at ...
*Sunday, February 14, 2016 by Kayla*

**pre calculus**

Sn= 2n^2+5n IS THE SUM OF THE FIRST N TERMS OF AN ARITHMETIC SERIES. determine first 3 terms
*Sunday, February 14, 2016 by ISOSMEXY*

**pre cal 11**

the sum of the first n terms of an arithmetic series is Sn=2n^2+5n. Determine the first 3 terms. Help!!!
*Sunday, February 14, 2016 by ISOSMEXY*

**socialstudies**

1. Which is an example of checks and balances? The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public office. The legislative branch ...
*Sunday, February 14, 2016 by boPy*

**Math**

the amount (in milligrams) of a drug in the body t hours after taking a pill is given by A(t)=30(0.8)t . (a) What is the initial dose given? (b) What percent of the drug leaves the body each hour? Percent: (c) What is the amount of drug left after 9 hours? (d) What is the ...
*Sunday, February 14, 2016 by Sarah*

**pre calc, also forget my previous question**

so at sea lvl pressure is 14.7. EVERY 30 FT DESCENT ITS INCREASES BY 14.7 PSI MORE. what is the pressure at 1000ft. my question is what would be the first term 14.7 or 29.4. AS 14.7 would be the 0 term. term 1 would be 29.4 as its 30 ft below. sea lvl would be at zero right, ...
*Sunday, February 14, 2016 by ISOSMEXY*

**Chemistry**

A first-order reaction has a half-life of 26.4 seconds. How long does it take for the concentration of the reactant in the reaction to fall to one-eighth of its initial value?
*Sunday, February 14, 2016 by Student*

**chemistry **

The first ionization energy, E, of a boron atom is 1.33 aJ. What is the wavelength of light, in nm, that is just sufficient to ionize a boron atom? Values for constants can be found here.
*Sunday, February 14, 2016 by Bibi*

**AP Calculus AB**

Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I dont know how to incorporate it all.
*Sunday, February 14, 2016 by Vikram*

**Foundations 06042400**

1. When a manager performs symbolic duties as the head of an organization, that manager is called a A. spokesperson. C. leader. B. figurehead. D. liaison. 2. What is one characteristic of the Industrial Revolution in America? A. The farming society grew to greater numbers. B. ...
*Sunday, February 14, 2016 by Kroppy*