Friday

August 1, 2014

August 1, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**MATH**

The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of ...
*Sunday, December 1, 2013 at 12:25am*

**Physics**

Analyzing Roller Coaster Performance Using Conservation of Mechanical Energy At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car ...
*Saturday, November 30, 2013 at 5:35pm*

**algebra 2**

The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of ...
*Saturday, November 30, 2013 at 8:21am*

**algebra 1**

The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of ...
*Friday, November 29, 2013 at 6:25pm*

**Math**

I forgot to post the rest. Sorry. It is the same thing as the first one, but I do not understand why my answer is wrong on all of them. 16. If sint = 0.29 and sinw = 0.43, both t and w are positive, and the angles determind by t and w are in quadrant 2, then which of the ...
*Friday, November 29, 2013 at 2:50am*

**English**

prepositional phrase? Appositive phrase? Participial phrase? Gerund phrase? infinitive phrase? Absolute phrase? Cape Code, a heavily settled peninsula southeast of Boston, has an interesting history. What is “a heavily settled peninsula southeast of Boston”? The ...
*Thursday, November 28, 2013 at 10:22pm*

**physics**

(a) If the first-order maximum for pure-wavelength light falling on a double slit is at an angle of 10.0º, at what angle is the second-order maximum? (b) What is the angle of the first minimum? (c) What is the highest-order maximum possible here?
*Thursday, November 28, 2013 at 3:41pm*

**Behavioural Economics**

1.Which of the following is NOT one of the mantras prescribed the practitioner’s guide to nudging? (any one) A. If you want people to do something, make it easy and fun B. Always run between-participant experiments to ensure a test of causality C. There can be no evidence...
*Thursday, November 28, 2013 at 3:44am*

**English**

In which of the sentences is only the simple subject in quotes? a. The train "conductor" of the Texas Flyer presented at our community meeting. b. "The first singer in the line-up" wore a red formal dress. c. "Mary's Whole Food" Store in ...
*Wednesday, November 27, 2013 at 4:57pm*

**poetry**

Could you help me answer these questions using William Cullen Bryant's poem, "The Prairies?" Thank you so much! I've attached a link to the poem. The poem text is widely available online if you just google the title/author Here are the questions I am ...
*Wednesday, November 27, 2013 at 11:54am*

**probability**

A company ships computer components in boxes that contain 20 items. Assume that the probability of a defective computer component is 0.2. Find the probability that the first defect is found in the seventh component tested. Round your answer to four decimal places.
*Wednesday, November 27, 2013 at 11:25am*

**chemistry**

A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.4 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0-µL aliquot (portion) of this ...
*Tuesday, November 26, 2013 at 10:42pm*

**Can someone plz help me?**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 4. Blake sold 52 tickets to the school play, and Jane sold 8 tickets. What is the ratio, in simplest form, of the number of tickets Jane sold to the number of tickets Blake sold? (1 point) 4/27 2/13 13/2 ...
*Tuesday, November 26, 2013 at 4:41pm*

**english**

PRIDE AND PREJUDICE The idea of Mr. Collins, with all his solemn composure, being run away with by his feelings, made Elizabeth so near laughing that she could not use the short pause he allowed in any attempt to stop him farther, and he continued: "My reasons for ...
*Tuesday, November 26, 2013 at 12:11pm*

**Physic: Projectile Motion**

Two rifles are fired at targets, which are 100 m away. The first rifle fires bullets at 1200 ft/s and the second fires a bullet at 3000 ft/s. How long will it take each bullet to get to the target? If both are aimed directly at the bull's-eye, how far will each bullet ...
*Tuesday, November 26, 2013 at 10:19am*

**San Sebastián **

In Harry's attic there are. Three spider webs.the first web is twice as larger as the second web. The third web is 3 inches larger than the first web.The combined width of the three webs is 1 foot and 6 inches.How many long is each web?
*Monday, November 25, 2013 at 9:33pm*

**Plz help :(**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. x over three equals six over nine (1 point) 18 27 2 24 3. A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is ...
*Monday, November 25, 2013 at 12:07pm*

**us history**

How did immigrants regard public education? a. as an aid to assimilation b. as a threat to cultural heritage c. as a path to advancement d. all of the above
*Monday, November 25, 2013 at 11:28am*

**Englishj**

MOONACHIE, NEW JERSEY (How do we pronounce 'Moonachie'? Do we stress the first syllable or the second syllable?)
*Monday, November 25, 2013 at 7:52am*

**Magnetic effect**

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of 1. magnetic field...
*Monday, November 25, 2013 at 1:11am*

**Science, Physics, math, calculus**

You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. You fire the arrow at 35.0 m/s oriented 30.0° above the horizontal from a height of 1.30 m while standing 47.0 m away on your first try. You may neglect ...
*Sunday, November 24, 2013 at 11:31pm*

**Socials**

What were the poor laws? What was their purpose and what did they set out to do? my answer for the first part: - The poor laws was a law regulating the public relief or support of the poor. Its purpose was...?
*Sunday, November 24, 2013 at 10:44pm*

**Calculus Area between curves**

Consider the area between the graphs x+6y=8 and x+8=y2. This area can be computed in two different ways using integrals First of all it can be computed as a sum of two integrals where a= , b=, c= and f(x)= g(x)= I found a, but not b or c. I can't seem to figure out f(x) ...
*Sunday, November 24, 2013 at 10:20pm*

**Science-Ms.Sue**

Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate consequences to the species in ...
*Sunday, November 24, 2013 at 10:17pm*

**english essay**

can someone critique my essay, please? :) here's my instructions: Prompt 1: Considering what you have learned about Hemingway, his journalistic style, and how his experiences influence his writing, write a prediction for The Old Man and the Sea. Who is the old man? What ...
*Sunday, November 24, 2013 at 8:51pm*

**Science**

Study the image of the fossil shown below. How might a scientist use this fossil to learn more about the history of life on Earth? connexus dot com/content/media/917517-4162013-72829-PM-1012149111.jpg to compare structures in the fossil with homologous structures in ...
*Sunday, November 24, 2013 at 7:48pm*

**physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 7:05pm*

**please help me!! physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 6:34pm*

**statistics**

1. A professor measured the time (in seconds) required to catch a falling meter stick for 19 randomly selected students’ dominant and non-dominant hand. The professor claims that the reaction time in an individual’s dominant hand is less than the reaction time in ...
*Sunday, November 24, 2013 at 3:33pm*

**science**

How did Lamarck and Darwin differ in their thinking about species? A. Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism's environment. B. Darwin thought that change could occur in individual...
*Sunday, November 24, 2013 at 11:59am*

**magnets**

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field. ...
*Sunday, November 24, 2013 at 1:18am*

**English**

The duckling started swimming out of instinct when she followed the rest of the flock into the lake for the first time. Do any commas need to be added?
*Saturday, November 23, 2013 at 8:50pm*

**Magnets**

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field. ...
*Saturday, November 23, 2013 at 2:08pm*

**Math**

102=8a+5a-3a I add 8a and 5a first to get 13 and then add 3?
*Saturday, November 23, 2013 at 12:54pm*

**physics-can anyone solve this please**

3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field...
*Saturday, November 23, 2013 at 11:33am*

**waste water**

The cross-sectional surface area of the screen channel during maximum flow = 0.75 m2. The maximum free surface area in the clean screen = 0.5 m2. Use hL=1C⋅(V2−v2)(2⋅g) for calculating the head loss, the friction coefficient (C) for a clean screen is 0.7. ...
*Saturday, November 23, 2013 at 4:03am*

**physics**

A skier of mass 77.7 kg, starting from rest, slides down a slope at an angle $\theta$ of 35.7° with the horizontal. The coefficient of kinetic friction is 0.08. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first 10.9 s of descent?
*Friday, November 22, 2013 at 1:59pm*

**physics**

A spacecraft of mass is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in a near circular orbit with radius ( is the mean distance between the earth and the sun; it is about 150 million km). (a) What is the speed (in m/s) ...
*Friday, November 22, 2013 at 12:43pm*

**language arts**

We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun’s return. Our nights were almost endless torture. Our food was gone. Our fuel was low. We came in search of grand adventure But ended trembling in the...
*Friday, November 22, 2013 at 11:49am*

**magnetism help**

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field. ...
*Friday, November 22, 2013 at 10:42am*

**Water Treatment**

Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. The dry weather flow (Qdwf) amounts 7,500 m3/day, with a ...
*Friday, November 22, 2013 at 6:07am*

**biology**

Which photosystem-1 or 2-most likely evolved first?
*Thursday, November 21, 2013 at 11:19pm*

**Finance**

3. Joe and Sue invested $2000 at Bank America in 1995, at 6% compounded quarterly. In the year 2000 they moved to another city and took the total money from their first investment added $500 and invested it at Bank Bravo, at 7% compounded quarterly. a. What is the value of ...
*Thursday, November 21, 2013 at 9:45pm*

**statistics**

Is there a significant difference between first year post college incomes of graduates from public versus private institutions? Provide the IV, DV, and best method of analysi
*Thursday, November 21, 2013 at 9:41pm*

**Statistics**

A researcher wished to test the effect of the addition of extra calcium to yogurt on the "tastiness" of yogurt. Two different yogurts, one with extra calcium and one without the added calcium, were created from the same batch of yogurt. A group of 84 adult volunteers...
*Thursday, November 21, 2013 at 6:39pm*

**math**

1.) In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at random. If he puts each clock back with the rest of the shipment before selecting the next one, what is the probability that all three alarm ...
*Thursday, November 21, 2013 at 4:03pm*

**Chemistry**

In certain first order reactions the concentration of the reactant decreases from 0.15 M to 0.11 M in 36 minutes . calculate the time of half reactions
*Thursday, November 21, 2013 at 10:51am*

**stastistics**

The data show the time intervals is after an eruption(to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (r) variable. Find the best predicted time of the interval after an eruption that the current eruption ...
*Thursday, November 21, 2013 at 8:37am*

**Chemistry**

A student was given 100mL of HCL solution in a 250mL beaker and told that the HCL was 0.11M. The student was also given phenolphthalein indicator and 250 ML of 0.1234 M NaOH. The student first filled a buret with NaOH solution. The student then placed an appropriate volume of ...
*Thursday, November 21, 2013 at 4:28am*

**Algebra, URGENT!!!**

1) The first leg of a right triangle is 6 cm longer than its second leg. If the hypotenuse has a length of 8 cm, find the exact lengths of the two legs. First Leg: Second Leg: 2) The length of a rectangle is 10 m longer than its width and the area of the rectangle is 480 m2. ...
*Wednesday, November 20, 2013 at 9:52pm*

**south carolina history help me ASAP PLZZZZZ**

which state voted first against independence, but eventually voted for it? new york north carolina delaware south carolina
*Wednesday, November 20, 2013 at 8:28pm*

**Math questions**

Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :) 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both ...
*Wednesday, November 20, 2013 at 8:22pm*

**Math**

Four hoses are filling a pool. The first hose alone would fill the pool in 4 hours while the second hose takes 6 hours. The third hose and the fourth hose each take 8 hours to fill the pool. How long would it take to fill the pool if all 4hoses are turned on?
*Wednesday, November 20, 2013 at 8:03pm*

**Math Questions (AGAIN)**

Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :) 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both ...
*Wednesday, November 20, 2013 at 6:43pm*

**Math**

There were 7 times as many marbles in Box A as in Box B. After Joyce transferred 294 marbles from Box A to Box B, both boxes had the same number of marbles. How man marbles were there in Box A at first.
*Wednesday, November 20, 2013 at 6:37pm*

**Math**

Hi! I have 4 math questions! (: 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? 2.)In a shipment of alarm clocks, the probability that one alarm clock is ...
*Wednesday, November 20, 2013 at 4:08pm*

**magnetism**

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field. ...
*Wednesday, November 20, 2013 at 2:22pm*

**English**

Ever since Lisa auditioned for the musical Annie in the third grade, she had been seriously interested in musical theater. She loves to sing, dance, and act. She performs in two or three shows in her city each year. This year, Lisa was excited to audition for the school ...
*Wednesday, November 20, 2013 at 12:54pm*

**Math**

1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money...
*Wednesday, November 20, 2013 at 11:38am*

**Math**

1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money...
*Wednesday, November 20, 2013 at 8:02am*

**mit**

A spacecraft of mass m is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in a near circular orbit with radius R (R is the mean distance between the earth and the sun; it is about 150 million km). (a) What is the speed v0 (...
*Wednesday, November 20, 2013 at 7:40am*

**chemistry**

First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored or colorless? Explain. a. Titanium (II) chloride b. Beryllium chloride c. Tin (II) nitrate d. Iron (III) nitrate
*Wednesday, November 20, 2013 at 1:28am*

**Math Questions**

1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money...
*Tuesday, November 19, 2013 at 10:50pm*

**math**

You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You calculate that their mean monthly rent is $613 and their standard deviation is $96. Does this SRS give good reason to believe that the mean rent of all ...
*Tuesday, November 19, 2013 at 9:50pm*

**algebra 2 **

A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What isthe the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich? the answers I ...
*Tuesday, November 19, 2013 at 9:45pm*

**Advanced Functions**

x and y represent two angles in standard position. x has its terminal arm in the first quadrant and y has its terminal arm in the third quadrant. If cosx=5/13 and cosy = -5/13 then find the value of 2sinx+2siny+2cosx-2tanx+tany+2cosy
*Tuesday, November 19, 2013 at 8:12pm*

**Social Studies (History)**

Is this a good journal entry for an Italian immigrant who came to America to New York? My family is made up of italians, i wanted to migrate to the Americas because my mother and father have died from a sickness no one could cure. It was hard for my brother, Vinny,and my ...
*Tuesday, November 19, 2013 at 5:34pm*

**Child Develpoment**

I'm writing an essay/interview on my partner. Is the word neglected a right way to describe how you would think she felt. By the fact that she was dressed as a boy. I was the first girl after my brothers. My mom went crazy with the dresses that she had sewn herself. In the...
*Tuesday, November 19, 2013 at 3:58pm*

**Physics**

3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field...
*Tuesday, November 19, 2013 at 11:42am*

**English**

Read the passage below and answer the question: Jack: I’ll be there in 20 minutes. I’m stopping at the store to pick up some batteries. Do you need anything? Mike: Will you buy some coffee for me? I’ll pay you back when you get here. Which statement about Mike&#...
*Tuesday, November 19, 2013 at 11:05am*

**English (phrasal modals)**

Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like that. First ...
*Tuesday, November 19, 2013 at 9:14am*

**Math**

1) The hypotenuse of an isosceles right triangle is 8 cm longer than either of its legs. Note that an isosceles right triangle is a right triangle whose legs are the same length. Find the exact length of its legs and its hypotenuse. 2) The length of a rectangle is 9 m longer ...
*Monday, November 18, 2013 at 11:30pm*

**physics**

What is the angular separation between the first-order images on either side of the central maximum? Answer in units of degrees.
*Monday, November 18, 2013 at 10:23pm*

**Language Arts help please**

Choose the word(s) that the italicized phrase modifies or describes. 1. According to this map, the smallest region in the United States is New England. (*is New England* is italicized) map smallest region Unted States 2. DynaTAC800X, the nation's first cell phone, was ten ...
*Monday, November 18, 2013 at 8:33pm*

**Grade 12 Physics**

Two hockey pucks of equal mass approach each other. puck 1 has an initial velocity of 20.0 m/s (S 45 E), and puck 2 has an initial velocity of 15 m/s (S 45 W). after the collision, the first puck is moving with a velocity of 10.0 (S 45 W). Determine the final velocity of the ...
*Monday, November 18, 2013 at 8:01pm*

**English**

Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like that. First ...
*Monday, November 18, 2013 at 7:59pm*

**Physics**

A hockey puck of mass 0.16 kg, sliding on a nearly frictionless surface of ice with a velocity of 2.0 m/s (E), strikes a second puck at rest with a mass of 0.17 kg. the first puck has a velocity of 1.5 (N 31 E) after the collision. Determine the velocity of the second puck ...
*Monday, November 18, 2013 at 7:59pm*

**4th grade math**

an artist is arranging tiles in rows to decorate a wall each new row has 2 fewer tiles than the row below it.if the first row has 23 tiles,how many tiles will be in the seventh row
*Monday, November 18, 2013 at 6:52pm*

**Physics**

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more before your friend ...
*Monday, November 18, 2013 at 3:23pm*

**Phyics**

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more before your friend ...
*Monday, November 18, 2013 at 3:23pm*

**Algebra**

A candy store keeps track of its sales during the month of October. Below is the number of sales for the first, second, third, and fourth weeks of the month. Which graph could represent the data shown below? Week- 1,2,3,4 Candy Sales- 97,168,259,375 connexus dot com/content/...
*Monday, November 18, 2013 at 2:42pm*

**Algebra**

A school is keeping track of the number of tickets remaining for its end-of-year festival. Below is the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data below? Week- 1,2,3,4 Tickets ...
*Monday, November 18, 2013 at 2:15pm*

**physics **

Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first? Assume both ...
*Monday, November 18, 2013 at 12:49pm*

**statistics**

Consider an upper-tail test of hypothesis for the difference in two population means. The sample data from the first population is: n = 50, x-bar = 110, s = 10. The sample data from the second population is: n = 75, x-bar = unknown, s = 11. We conclude the alternative ...
*Sunday, November 17, 2013 at 11:01pm*

**Business 101**

1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...
*Sunday, November 17, 2013 at 6:59pm*

**Math**

Suppose the first Friday of a new year is the fourth day of that year. Will the year have 53 Fridays regardless of whether or not it is a leap year? What is a rule that represents the sequence of the days in the year that are Fridays? How many full weeks are in a 365 day year...
*Sunday, November 17, 2013 at 5:34pm*

**math**

Which is the solution to the inequality 9-4<3x-5 1. 3 2. 2 3. 1 4. 0 so first I added 5 to both sides 14-4x<3x then add 4x to each side 14<7x 14/7<x 2<x so choie #1 the answer of 3 Is this correct?
*Saturday, November 16, 2013 at 11:01pm*

**biology**

Which photosystem-1 or 2-most likely evolved first?
*Saturday, November 16, 2013 at 9:28pm*

**Statistics**

The mean length of the first 20 space shuttle flights was about 7 days with a standard deviation of about 2 days. Using Chebychev's theorem, at least how many of the flights lasted between 3 and 11 days.
*Saturday, November 16, 2013 at 1:26pm*

**writting skill part 2**

read the word in parentheses; which of these sentences most effectively translates an abstract concept into a mental picture? a.(freedom) on her twenty-first birthday, lola declared herself a woman. b.(sunrise) the rising sun transformed the canyon into the bright stone and ...
*Friday, November 15, 2013 at 11:14pm*

**Math**

Unit Rates.. But trying to find the unit cost.. $2.00/64 $7.50/256 My answer for the first one is 32. Not sure about the second one .
*Friday, November 15, 2013 at 1:58pm*

**Earth space science, check answers?**

A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for agriculture/farming?-D 6. ...
*Friday, November 15, 2013 at 1:34pm*

**Check my answers?**

A. 75 % B. 12.5% C. 25% D. 3.13% E. 9.38% 3. what percentage of land on the earths surface is inhospital lands? - B 4. what percentage of earths surface is covered by land? - C 5. what percentage of land on earth is usable, for living on, but not for agriculture/farming?-D 6. ...
*Friday, November 15, 2013 at 1:11pm*

**algebra**

What is the first step you should take to solve the following expression: 2 – 16 ÷ 4 × (3 + 2)2 + 1 ? A. 16 ÷ 4 B. 2 – 16 C. 3 + 2 D. 22
*Friday, November 15, 2013 at 12:57pm*

**Science**

Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolutionary change might happen fast sometimes? a. homologous structures b. fossils c. reproduction rates d. DNA sequences Which of the following provides evidence ...
*Friday, November 15, 2013 at 12:45am*

**physics**

Two forces act on an object. The first force has a magnitude of 17.0 N and is oriented 68.0° counter-clockwise from the x axis, while the 2nd force has x- and y-components (-19.0 N, 16.5 N). Express the magnitude and direction of the net force.
*Thursday, November 14, 2013 at 10:38pm*

**A/P Biology**

The Echinopsis mamillosa is a flowering cactus native to Bolivia. A high-rise building is built near a particular Echinopsis, filtering the amount of direct sunlight it receives. Which of the following processes is negatively affected first by the reduction in sunlight? ...
*Thursday, November 14, 2013 at 10:38pm*

**networking**

A firm is assigned the network part 128.171 It selects a 10-bit subnet part a) draw the bits for the first four octets of the IP address of the first host on the first subnet. b) convert this answer to dotted decimal notation. c) Draw the bits for the second host on the third ...
*Thursday, November 14, 2013 at 10:17pm*

**CHEMISTRY**

Post a New Question Current Questions Homework Help: Chemistry Posted by Anonymous on Thursday, November 14, 2013 at 8:45pm. CONTINUE>>>>>>>>>>> The enthalpy changes for two different hydrogenation reactions of C2H2 are: C2H2+H2---->...
*Thursday, November 14, 2013 at 9:40pm*

**math**

You have a subscription to a music website that allows you to download 25 songs from the site each month. You are charged an additional fee after the first 25 songs are download. After downloading 28 songs, you paid a total of $34.80. After downloading 30 songs, you paid a ...
*Thursday, November 14, 2013 at 9:22pm*

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