Monday

February 8, 2016
Total # Posts: 91,351

**math**

a square lot is to be planted with santan plants all around. the side of the lot measures 10m. If plants will be planted 20 cm apart, how many plants must be planted in all?
*December 10, 2015*

**Math**

A business woman intends to rent a car for a 3 day business trip. The rental is $65 a day and $.15 per mile (plan 1) or $90 a day with unlimited mileage (plan 2). She is not sure how many miles she will drive but estimates that it will be between 400 and 800 miles. A) For each...
*December 10, 2015*

**Math**

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown. A) When does the ...
*December 10, 2015*

**Chemistry**

Why do the alkali metals have low ionization energies but relatively large atomic size? (I thought larger atomic sizes meant higher ionization energies.) What is the relationship between the two?
*December 10, 2015*

**chemistry**

A reagent bottle contains 5.00g of NaOH.how many milliliters of a 2.00M silution can be prepared from this weight of NaOH?
*December 10, 2015*

**chemistry**

How many Lithium ions are in 75.3 grams of lithium sulfate?
*December 10, 2015*

**similarfigures**

what is 10/12=8/x
*December 9, 2015*

**math**

The fifth graders wanted to collect five boxes only collected three and one fifth how many more do they need
*December 9, 2015*

**History**

So New West and the Free North is the same thing as Western Expansion right?
*December 9, 2015*

**History**

You didn't help me before. I just posted this. This is not the same person you talked to before
*December 9, 2015*

**History**

Summarize New West and the Free North, 1840-1860. HELP!!! Need it immediately
*December 9, 2015*

**Calculus**

A coal-burning electrical generating plant emits sulfur dioxide into the surrounding air. The concentration C(x), in parts per million,is approximately given by the function: C(x)= 0.5/x^2, where x is the distance away from the plant in miles. The instantaneous rate of change ...
*December 9, 2015*

**Calculus**

The area of a square with a side s is A(s)=s^2.What is the rate of the change of the area of a square in respect to its side?
*December 9, 2015*

**History**

It doesn't help. Please tell me everything about New West and The Free North!!!!!
*December 9, 2015*

**History**

Summarize New West and the Free North, 1840-1860. HELP!!! Need it immediately
*December 9, 2015*

**math**

at clearwood jr high 4% of the students ride bikes to schhol. If 650 students attend clearwood jr. high, how many ride a bike to school?
*December 9, 2015*

**math**

at Clearwood Jr. High 4%of the students ride bikes to school. If 650 students attend Clearwood JR. High, how many ride bikes to school?
*December 9, 2015*

**math**

how to set up table to find answer for question jimmy wants to make $2.00 using dollars, half dollars and quarters. How many different ways can she make $2.00?
*December 9, 2015*

**Chem**

When the following skeletal equation is balanced under acidic conditions, what are the coefficients of the species shown? H3AsO3 + HNO3H3AsO4 + NO Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of . (Enter 0 for neither.) Which ...
*December 9, 2015*

**Calculus**

Determine the values of x for which the function is continuous: f(x)= 10x^2-10
*December 9, 2015*

**Math**

Determine the values of x for which the function is continuous: f(x)= 10x^2-10
*December 9, 2015*

**English**

Is Anthology of Expeditions good
*December 9, 2015*

**English**

Can anyone help me think of a compelling anthology title for poems about travel?
*December 9, 2015*

**English**

I'm overthinking stuff right now.. Does myth and with rhyme :D
*December 9, 2015*

**Math**

(A) what does the scale factor tell you about two similar shapes? (B) How does the coordinate rule for making two similar shapes relate to the scale factor?
*December 9, 2015*

**geography**

Fhdhjfhfhfjffjdkdjjcjvj bb gcjn
*December 9, 2015*

**Math**

(A) what does the scale factor tell you about two similar shapes? (B) How does the coordinate rule for making two similar shapes relate to the scale factor?
*December 9, 2015*

**Math**

gvygvt
*December 9, 2015*

**accounting**

On January 4, 2013, Illinois Company purchased new equipment for $550,000 that had a useful life of four years and a salvage value of $50,000.
*December 9, 2015*

**Science**

01.B 02.C 03.D 04.A 05.IDK 06.C 07.B 08.IDK 09.IDK 10.IDK
*December 9, 2015*

**Social studies **

When did the U.S negotiate a deal with the Barbary pirates?
*December 9, 2015*

**MATH**

Can you just do the step by steps to get to the answers please? I have the answers with me, but want to double check the work and answers please!!!!!!
*December 9, 2015*

**MATH**

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
*December 9, 2015*

**MATH**

Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance. Ben drives about 36,000 miles a year, and ...
*December 9, 2015*

**math**

a scientist dropped an object from a height of 200 feet. She recorded thee height of the object in 0.5 second intervals.
*December 9, 2015*

**boston high school**

Circumference= pi*diameter 3.14*5.15=?
*December 9, 2015*

**Algebra**

Well, 90/2=45 and it says he has 6 more 5 peso coin, so 45+6=? and 45-6=?. Finish solving the problem.
*December 9, 2015*

**Math**

A map of Alberta has a scale of 1:1 500 000. On the map, the distance between Calgary and Banff is 2 5/8 inches. What is the distance between these two cities to the nearest mile?
*December 9, 2015*

**Grade 10 Math**

A student can walk 30ft in 10s. Hiw far could she walk in 1 hour? Write the answer in miles and yards.
*December 9, 2015*

**Social Studies**

Ok
*December 9, 2015*

**Math**

Can some one help me, I'm trying to find the percentage increase between 0.69 $1.55 $2.60 $4.23 $5.39
*December 9, 2015*

**Ed white**

solve this word problem suppose you have a job mowing lawns that pays $12 per hour you also have a job at a clothing store that pays $10 per hour you need to earn at least $350 per week but you can work no more than 35 hours per week you must work a minimum of 10 hours per ...
*December 9, 2015*

**Chemistry**

Explain the trends in the solubility of water.
*December 9, 2015*

**History**

Thank you!!
*December 9, 2015*

**History **

Summarize New West and the Free North, 1840-1860 Please help!!!
*December 9, 2015*

**5th grade math**

39x3 whatever that is
*December 9, 2015*

**5th grade math**

40 members of parents organizations are making candles to raise money. 1 member drops out and the rest have to make three more candles each to make up. Each member makes the same number of candles. How many candles do they make altogether?
*December 9, 2015*

**Math**

A square sheet of paper has area 15cm^2. The front side is white and the back side is black. A corner of the sheet is lifted and placed so that the crease is at a 45degree angle. If the fold is such that the visible black area is equal to the visible white area, how many ...
*December 9, 2015*

**Math**

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown. A) When does the ...
*December 9, 2015*

**Math**

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
*December 9, 2015*

**Math**

Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance. Jenny drives about 36,000 miles a year, and...
*December 8, 2015*

**college algebra help********

Sequences 1. Constructing a Brick Staircase A brick staircase has a total of 30 steps. The bottom step requires 100 bricks. Each successive step requires two less bricks than the prior step. a. How many bricks are required for the top step? b. How many bricks are required to ...
*December 8, 2015*

**math**

thank you kuroko
*December 8, 2015*

**math**

what does x equal 0.20x - 0.08(x-10)= 24.80
*December 8, 2015*

**Chemistry. I got the wrong answer. Plz help**

The other way to do this... 234g sodium chloride - 142g of chlorine = 92g of sodium
*December 8, 2015*

**Math**

Theatre sold 343 tickets on Friday. This is 192 fewer tickets than those sold on Saturday. How many tickets were sold alltogether
*December 8, 2015*

**Science**

Valence electrons
*December 8, 2015*

**alegbra 2**

7Y+6/20X^+20=?/60X^2+60
*December 8, 2015*

**Quick English check**

Write in the best response for each statement below using the words: Analytical, cognitive, deem, empirical, induced, inferred, obtain, paradigm, speculate, stratagem. 1. The neurosurgeon studies the effects of trauma on the COGNITIVE processes of the brain. 2. The STRATAGEM ...
*December 8, 2015*

**Chemistry**

Sodium chloride dissolves in water (solubility in water is 361g/1L), but copper (II) phosphate does not dissolve in water (insoluble). A. Describe in a stepwise fashion how the solid sodium chloride dissolves in the water to form a solution. (name the resulting interparticle ...
*December 8, 2015*

**math**

Break apart 56 to solve 56 divided by 7
*December 8, 2015*

**English**

What are some pictures or symbols that could represent these quotes? For the first one would I just do art like maybe a brush and for second one a businessmen? Or what's something more symbolic
*December 8, 2015*

**English**

What do these mean Arts are an adornment of life but not central to it The absentminded professor the ivory tower reflect antiintellectualism
*December 8, 2015*

**Algebra**

Total Marbles = 23 probability of selecting red = 8/23 probability of selecting green = 7/23 so after you chose red there are only 22 marbles left total. This means the probability of selecting green is 7/22
*December 8, 2015*

**Chemistry**

Chemical formula: NaCl Name: Sodium chloride Bond Type (intermolecular FOA): London, dipole-dipole, ion-dipole VSEPR molecular shape: none Central Atom Hybridization: sp3 Molecular Polarity: polar Interparticle force of attraction (IPFOA): ? State of Matter (at room ...
*December 8, 2015*

**Social Studies**

what are two actions outlawed by the English Bill of rights.
*December 8, 2015*

**Math**

Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of those numbers ...
*December 8, 2015*

**Math**

So for part B would it be: A(n)=16100+400n+3(36000/36)n For part D do we substitute the 2 in with "n"? Can you help me with part e please?
*December 8, 2015*

**Math**

Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance. Jenny drives about 36,000 miles a year, and...
*December 8, 2015*

**Math**

Write a word problem using 7 groups. Solve the problem
*December 8, 2015*

**Biology**

What is chromatin and what does it turn into and how does it arrange itself? Chromatin forms chromosomes during cell division and consists of DNA RNA and proteins. It turns into separate structurs called chromosomes. Idk how it arranges itself
*December 8, 2015*

**Chemistry**

Explain trends in the solubility of water (amount of the compound (solute) that will dissolve in a given amount of solvent (water).
*December 8, 2015*

**Chemistry**

Chemical formula: Na Name: Sodium Bond Type (intermolecular FOA): London VSEPR molecular shape: none Central Atom Hybridization: sp Molecular Polarity: nonpolar Interparticle force of attraction (IPFOA): ? State of Matter (at room temperature): solid Can't figure out the ...
*December 8, 2015*

**statistics**

Given a sample size of 36, with sample mean 400 and sample standard deviation 85, we perform the following hypothesis test, at the 95% level of confidence: Ho: ƒÊ = 450, Ha: ƒÊ ‚ 450. What is the question and what is the answer?
*December 8, 2015*

**Chemistry**

Can you please check if these are right? I'm not sure about IPFOA. Chemical formula: H2O Name: Dihydrogen oxide Bond Type (intermolecular FOA): London, dipole-dipole, hydrogen bonding VSEPR molecular shape: bent Central Atom Hybridization: sp3 Molecular Polarity: polar ...
*December 8, 2015*

**Sociology **

What is the effect of industrialization on population growth rates? A. It decreases growth rates B. It stabilizes growth rates C. It increases growth rates D. There is no correlation between industrialization and growth rates My text says that industrialization decreases ...
*December 8, 2015*

**Chemistry**

How do you solve for enthalpy of vaporization? I know it's liquid to gas, but I can't figure out how to solve an actual problem like C2H4O2. Could you please explain?
*December 8, 2015*

**math**

1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have 8 as their units ...
*December 8, 2015*

**Spanish**

Yay!
*December 8, 2015*

**Chemistry**

Hey can you please check my answers? Also, Can you explain interparticle force of attraction? I'm not sure about the difference between IMFOA and IPFOA. Chemical formula: Cl2 Name: Chlorine Bond Type (intermolecular FOA): London VSEPR molecular shape: tetrahedral Central ...
*December 8, 2015*

**Math**

Find vector a + vector b. a = -5p - 3k b = 6p + 8k My answer: 1p + 5k.
*December 8, 2015*

**Math**

Vector CD has an initial point of (5, -6). Its x component is -12, and the y component is 4. What are the coordinates of the terminal point? My answer is (-7, -2).
*December 8, 2015*

**algebra 2 trig**

lighthouse b is 9 miles west of lighthouse A. a boat leaves A and sails 5 miles. At this time, it is sighted from B. If the bearing of the boat from B is N64 E, how far from B is the boat?
*December 8, 2015*

**early childhood literacy**

Activities to promote phonemic awareness
*December 8, 2015*

**math**

how to calculate the cost of an item if the retail is $40 and the markup is 20%
*December 8, 2015*

**Physics**

A ceiling fan of radius 1.0 m is rotating with a frequency of 300 RPM. How fast (in m/sec) is the tip of one of the blades moving?
*December 8, 2015*

**History**

How did the presidential plan for reconstruction differ form congresses plan? A congress believed it and not the president should have power over reconstruction. B the president believed that congress will be too soft on southern rebels C congresses plan denied blacks and ...
*December 8, 2015*

**Chemistry**

Hey can you please check my answers? Also, Can you explain interparticle force of attraction? I'm not sure about the difference between IMFOA and IPFOA. Chemical formula: Cl2 Name: Chlorine Bond Type (intermolecular FOA): London VSEPR molecular shape: tetrahedral Central ...
*December 7, 2015*

**Chemistry**

An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions, O3* → O3 (1) fluorescence O3* → O + O2 (2) decomposition O3* + M → O3 + M (3)deactivation, where M is an inert molecule, the rate constant for the fluorescence ...
*December 7, 2015*

**Math**

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
*December 7, 2015*

**Math**

Ben wants to buy a new car, and she has narrowed her choices to two models. Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance. Jenny drives about 36,000 miles a year, and...
*December 7, 2015*

**Math**

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown. A) When does the ...
*December 7, 2015*

**Geography**

1.Why did so many Czechs come to Texas? A letter was published that suggested opportunity to the families struggling on the overcrowded farmlands of Central Europe. Also, it offered hope to merchants and craftsmen left frustrated after the failture of the 1848 social uprisings...
*December 7, 2015*

**Geography**

Why did so many Czechs come to Texas?
*December 7, 2015*

**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 ...
*December 7, 2015*

**physics**

A pinball machine launches a 139 g ball with a spring-driven plunger. The game board is inclined at 8 ◦ above the horizontal. Assume: The plunger’s mass and frictional effects are negligible. The acceleration of gravity is 9.8 m/s2 Find the force constant k of the ...
*December 7, 2015*

**english**

who said I think we'll all be destroyed by the a bombs so why should I care about anything
*December 7, 2015*

**Math**

What is the biggest number that is before Infinity but after Hitachi SR 8000??
*December 7, 2015*

**trig**

find the exact value of each expression. do not use a calculator. Sec 3.14/4 + 2 csc 3.14/3 4 + tan 2*3.14/3
*December 7, 2015*

**math**

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