Wednesday
February 10, 2016

# Posts by summer

Total # Posts: 266

analtyic geometry
a house is 40 feet wide and 60 feet long a lady wants to use 260 feet of fencing to fence an area behind her house. the back of the backyard is 60x+2x and one side is 200-4x divided by 2. the back yard is a rectangle shape
December 9, 2015

calc
Find the missing value: 1) log _____ = 1/2 Solve the equation, round to the thousandths place: 2) log8 - log(n-2) = 4log2 + log5
December 4, 2015

Language arts
Are you sure those are the right answers?
December 1, 2015

world geography
Why did the earliest settlers choose such a location for their dwellings?
November 11, 2015

science
October 15, 2015

Language Arts
Thanks!
October 6, 2015

Language Arts
I chose 3 on B because in my definition it said “too hasty” and hasty means with speed or urgent and- Oh. It’s not C It’s B now cause hasty means with speed and that leads to rash so it’s B.
October 6, 2015

Language Arts
Is is C because I read on the link that there is a comma in the coordinate adjectives and is Annika’s guess on 3 right?
October 6, 2015

Language Arts
I dont know if Annika’s 3rd guess is right but from your link I think 2 is D like she said
October 6, 2015

Language Arts
1. In the following sentence, identify the word that the adverb is modifying. The ballerina danced gracefully on the empty stage. A. ballerina B. danced** C. empty D. stage 2. Identify the sentence below that contains coordinate adjectives. A. She wore a dark green sweater. B...
October 6, 2015

math
September 15, 2015

Art
April 14, 2015

Art
In addition to skills in creating art, which type of knowledge is important for art therapists to have to successfully perform their jobs? A. knowledge of physical therapy. B. Knowledge of psychology. C. Knowledge of teaching strategies. D. Knowledge of art history Is the ...
April 14, 2015

Art
Sorry it's B
April 14, 2015

Art
April 14, 2015

Art
In an effort to help a student understand the concept of shading, which teaching strategy could an educator use to help someone who learns best through hands-on activities? A. Explain shading techniques out loud. B. Write shading techniques on the board. C. Give time to ...
April 14, 2015

Art
The gold trim, rich colors, a plentiful lace on eighteenth-century European fashions communicated which value of Baroque culture? A. Simplicity B. Balance C. Extravagance D. Creativity Is the answer C? Thank you
April 14, 2015

Art
The placements of rocks in a Japanese garden is an example of which artistic principal that communicates the cultural value of embracing a lack of equality? A. Asymmetry B. Balance C. Symmetry D. Transformation Is the answer B? Thank you
April 14, 2015

Art
I had the exact same question.
April 14, 2015

Art
Thank you
April 14, 2015

Math SO HARD :C
Ah! This is so hard! From midnight to 6:00 am the temperature rose 8 degrees C. At 6:00 am the temperature was -20 degrees C. What was the temperature at midnight? It's supposed to involve integers...
February 25, 2015

Math
Ah! This is so hard! From midnight to 6:00 am the temperature rose 8 degrees C. At 6:00 am the temperature was -20 degrees C. What was the temperature at midnight? It's supposed to involve integers...
February 25, 2015

Developing healthy eating habbits
its seems For most athletes, it would be 30. is that correct?
January 25, 2015

Developing healthy eating habbits
It's generally recommended that athletes consume approximately _______ percent of their daily calories from fat. A. 30 B. 60 C. 10 D. 90
January 25, 2015

Developing healthy eating habbits
January 25, 2015

Developing healthy eating habbits
What is the best way to lose one pound? A. Reduce carbohydrate intake by 3,500 B. Reduce calorie intake by 3,500 C. Reduce carbohydrate intake by 7,000 D. Reduce calorie intake by 7,000
January 25, 2015

Math
Suppose th average rain fall in april was leas than THE average rain fall in may Write a possible average rain fall for april that includes a 4 in the hundreths place Express You answer using 2 differnt forma
December 23, 2014

math
Todd has a board that is 6 ft. 3in. He needs to cut it to 4 ft. 9 in. How much should he cut off?
December 2, 2014

Ratio - proportion - unit rate
1 quart = 4 cups each person will drink 2 cups. Unit price \$5.99 per 1 quart box We have 24 guests what is the answer?
November 21, 2014

Developing healthy eating habbits
Appetite is not linked to A. physiological hunger. B. the time of day. C. the aroma of food. D. the taste of food. B ?
October 11, 2014

Math
32 + 24=56 56-14= 42 42 is the answer?
October 1, 2014

Math
Write an integer to represent the final temperature. The day started out at 6am as 32 degrees rose 24 degrees by noon and dropped 14 degrees at 6pm.
October 1, 2014

Chemistry
How much heat will be released when 0.750 moles of carbon monoxide (CO) react in an excess of oxygen gas? 2CO(g) + O2(g) ¨ 2CO2(g) + 566 kJ
September 15, 2014

Chemistry
If there are 0.625 g of NaCl left in a beaker that originally contained 75.0 mL of saltwater, what must have been the molar concentration of the original solution? The molar mass of NaCl is 58.44 g/mol.
September 11, 2014

math mental math
shelley spent 17 min washing the dishes. she spent 38 min cleaning her room. explain how you can use mental math to find how long shelley spent on the two tasks?
August 22, 2014

Chemistry
What kind of reaction does it cause though?precipitate reaction, released gas reaction, or no reaction. you answered yes, no, yes but didn't explain what reaction it is.
July 28, 2014

Chemistry
Will the following reactions mixed together cause a precipitate reaction, released gas reaction, or no reaction. Ba(NO3)2 mixed with NaCl Ba(NO3)2 mixed with HCl Ba(NO3)2 mixed with Na2CO3 Ba(NO3)2 mixed withNa3SO4 also Ba(NO3)2 is soluble and a solid and HCl is a gas. Is ...
July 28, 2014

CHEMISTRY (IODINE VALUE-continuation)
y question is about Determination of Iodine Value in Fats & Oils experiment. I can't seem to get the right IV for coconut oil (Iv = 7-11 range). I followed the procedure used by American Oil Chemists Society, but still I'm getting an IV value of around 1. The volume of...
July 28, 2014

My question is about Determination of Iodine Value in Fats & Oils experiment. I can't seem to get the right IV for coconut oil (Iv = 7-11 range). I followed the procedure used by American Oil Chemists Society, but still I'm getting an IV value of around 1. The volume ...
July 22, 2014

Math
Two concentric circles have radii of 24cm and 26cm. What is the length of the chord that is tangent to the inner circle? I don't understand the tangent, like where do I draw the line?
May 30, 2014

Physics
A bird lands on a bare copper wire carrying a current of 27 A. The wire is 8 gauge, which means that its cross-sectional area is 0.13 cm2. (a) Find the difference in potential between the bird's feet, assuming they are separated by a distance of 7.2 cm.
May 21, 2014

Physcis
A bird lands on a bare copper wire carrying a current of 27 A. The wire is 8 gauge, which means that its cross-sectional area is 0.13 cm2. (a) Find the difference in potential between the bird's feet, assuming they are separated by a distance of 7.2 cm.
May 21, 2014

Math
When an engineer inspects a pipeline she notices a high water mark. How much space is there between the high water level and the top of the pipe, to the nearest hundredth. The diameter of the pipe is 1.2m and the horiztonal distance across the surface of the water is 80 cm.
May 6, 2014

Algebra
A boy was sent with \$2.10 to buy oranges. He found the price 3 cents higher per dozen than he had expected to pay, and so he bought 6 fewer oranges than he had intended to buy and received 1 cent in change. How much did he pay for a dozen oranges?
April 17, 2014

science
To increase friction
April 15, 2014

Algebra
A man drove his automobile to New York, a distance of 550 miles, at a certain average rate. He returned from New York at the rate of 11 mph more. The entire trip required 22.5 hours. What were his rates returning and going?
April 15, 2014

Algebra Word Problem
Thank you so much!
April 11, 2014

Algebra Word Problem
A number of men subscribed a certain amount to make up a deficit of \$100 but 5 men failed to pay and thus increased the share of the others by \$1 each. Find the amount that each man paid.
April 11, 2014

Algebra
The time required for a trip 108 miles downstream on a steamer is 3 hours less than the time required for the upstream trip. A boat whose rate is 6 miles per hour less than that of the steamer required 9 hours more for the upstream trip than for the downstream trip. Find the ...
April 11, 2014

Eric
I think they are.
March 18, 2014

Economics
Suppose you are the manager of a California winery. How would you expect the following events to affect the market equilibrium price you receive for a bottle of wine? Please state the shift (leftward or rightward) of demand or supply. a. The price of comparable French wines ...
February 8, 2014

Chemistry
To neutralize a 0.5192 g organic acid, 44.0 mL NaOH solution (1.00 ml ~ 1.12 mL HCl ~ 0.0100 g CaCO3) is required. What is the equivalent weight of the organic acid?
January 21, 2014

Chemistry
What will be the volume of concentrated H2SO4 that must be added to 155 mL of 0.1996 N H2SO4 in a 500 mL volumetric flask so that the resulting solution will be 6.5210 M? pls. explain.
January 21, 2014

Chemistry
Calculate the volume of 2.503 N HNO3 added to 100 mL of HCl in order to prepare 1.1251 N acid solution from the following data: 58.96 mL NaOH will neutralize 2.521g of potassium tetroxalate and 45.57 mL of HCl will neutralize 53.0 mL of the NaOH solution.
January 21, 2014

Chemistry
How to know their mass? Is is their molecular mass?
January 20, 2014

Chemistry
Calculate the % Na2CO3 and % BaCO3 in a 0.2005g sample which requires 28.0mL of 0.9990 N acid for complete neutralization.
January 20, 2014

Chemistry
To what volume must 1580mL of 0.2005 N solution be diluted so that the resulting solution will be 0.1899 M? How much water will be needed in the dilution?
January 20, 2014

Chemistry
A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of the solution?
January 19, 2014

Algebra
If 9876^2=97,535,376 Find the value of 9877^2 and (9874)(9878) without using a calculator
November 20, 2013

Chemistry
The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.
November 18, 2013

Chemistry
The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.
November 18, 2013

9th algebra
the sum of the digits of a two place fraction is 9. When its digits are reversed, the new fraction exceeds the original by 0.09. Find the original fraction.
November 10, 2013

Algebra
Oh yes! I figured it out by myself.
November 7, 2013

Algebra
Thanks a lot!
November 7, 2013

Algebra
1.The ratio of nickels to dimes to quarters in 3 : 8 : 1. If all the coins were dimes, the amount of money would be the same. Show that there are infinitely many solutions to this problem. 2.A grocer wants to make a mixture of three dried fruits. He decides that the ratio of ...
November 7, 2013

9th algebra
1.Jeff can weed the garden in 4 h. His wife takes the same amount of time. After they worked for 1 hr, their son helped them finish in 1/2 h. H long would it have taken Rory by himself to weed the garden?
November 7, 2013

Finance
a. If upon retirement in 20 years Simon plans to invest \$400,000 in a fund that earns 5%, what is the maximum annual withdrawal he can make over the following 15 years?
October 23, 2013

b a c b a b a c
August 27, 2013

physics
The brakes of a truck cause it to slow down by applying a retarding force of 2350 N to the truck over a distance of 817 m. What is the work done by this force on the truck?
July 8, 2013

AP Chemistry
An unknown metal M forms a soluble compound, M(NO3)2. A solution of M(NO3)2 is electrolyzed. When a constant current of 2.5 amperes is applied for 35 minutes, 3.06 grams of the metal M is deposited. Calculate the molar mass of M and identify the metal.
April 8, 2013

Chemistry
A cell has a standard emf of +0.177 V at 298 K. What is the value of the equilibrium constant for the cell reaction a) if n=1? b) if n=2?
April 8, 2013

Well you have 30 cents in dimes. a quarter is 25 cents so you have five cents extra. you can ask for change for one dime or trade with someone your dime for two nickels
February 26, 2013

regroup the ten ones as 1 ten again
February 26, 2013

Chemistry
The calculated Ka in one of my previous comments is from a different question- it's not related to this problem.
February 25, 2013

Chemistry
...H2A->...H+..+..HA- ...x.......0......0 -.00708..+.00708..+.00708 x-.00708...00708...00708 K1=.017=(.00708)^2/x-.00708 x=.01 The acid is .01M. There are 250 mL. There are .205g of acid. .205g=.0025mol .205/.0025=82
February 25, 2013

Chemistry
Yes, the intrepid hero post was mine- these are both extra credit problems from our class and I'm having some trouble with this unit. For that one the Ka I came up with was 2.22*10^-5. As for this problem, your logic makes sense but I'm unsure how to calculate (A^2-) ...
February 25, 2013

Chemistry
I've calculated the molar mass as 82g/mol, but I can't figure out how to get the dissociation constant.
February 25, 2013

Chemistry
A 205 mg sample of a diprotic acid is dissolved in enough water to make 250.0 ml of solution. The pH of this solution is 2.15. A saturated solution of calcium hydroxide (Ksp= 1.3 x 10-6) is prepared by adding excess calcium hydroxide to water and then removing the undissolved ...
February 25, 2013

Algebra
First, find the greatest common factor of the two terms- in this case, 21. Then divide each term by the GCF. 42q/21=2q and -21/21=-1 So, 21(2q-1)
February 24, 2013

Biology
Most likely the one with the most descendants. Evolutionary science generally deals with the passing on of genes, and that frog would have reproduced the most and would therefore have been the most successful.
February 24, 2013

Biology
The mice would be half heterozygous for black, and half white.
February 24, 2013

Grammar...
Sorry, our answers posted at the same time. I didn't mean to seem excessively insistent.
February 24, 2013

Grammar...
I think that the apostrophe would be redundant
February 24, 2013

Grammar...
The "that of" makes the sister possessive- no need to be possessive twice.
February 24, 2013

Grammar...
No- It would be: Her coat is different from that of her sister.
February 24, 2013

Chemistry
It's actually 4.5*10^-6. 5=pKa+log(10/22.22)
February 24, 2013

Chemistry
I plugged those numbers into the HH equation and came up with 2.22*10^-5 for the Ka. Does that sound right?
February 24, 2013

Chemistry
At the first point where he stopped and measured the pH, the H+ ion concentration is 1*10^-5 and the OH- ion concentration is 1*10^-9. This is as far as I've gotten, I can't figure out what to do with this information.
February 24, 2013

Chemistry
A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of NaOH of unknown ...
February 24, 2013

Algebra
To find the y-intercept, plug in 0 for y and solve for x. 0=2x+2 2x=-2 x=-1 (0,-1) To find the x-intercept, plug in 0 for x and solve for y. y=2(0)+2 y=2 (2,0)
February 24, 2013

Physics2
"The heat engine uses 1.00x10^-2 mol of a diatomic gas as the working substance. Determine the temperatures at the 3 points." From 1-2, it's an adiabatic process and the constants are (P)(V^(7/5)) or (T)(V^(2/5)). From 2-3, it's an isobaric process with V/T ...
February 21, 2013

Physics
Draw an open circuit that consists of 2 sets of 2 cells connected in series, connected in [arallel with each other. Add a variable resitance R1 in series with a set of 3 light bulbs r2, r3, r4 in parallel with each other. Insert an ammeter and a voltmeter in teh circuit
January 27, 2013

Algebra
x+y+z=2 4x+5y+2=12 2x=4 solve using substitution
January 17, 2013

math
valerie earns \$25 a day plus \$3 for each dog she washes. make a function table to show the relationship between the number of dogs she washed d and the total amount earned t in one day. write an equation to represent the situation.
January 15, 2013

im stuck on 9
November 14, 2012

Physics
what is a planes velocity if ithas anair speed of 18 and there is a 30 km/h wind blowing south
November 9, 2012

Social Studies
i agree that b is right cause A and c would not work
November 9, 2012

physics
What is the direction of a person that walks 3.0-km North and 4.0-km East?
November 8, 2012

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