Thursday
December 8, 2016

Posts by Sheila

Total # Posts: 210

Math Estimating Sides of a Triangle
Use the diagram below to answer the question that follows. I couldn't copy the diagram into this. It basically shows a Triangle ACD with CD=100ft. Then another line intersects above angle A and reads BE= 30ft. AB=50ft. and BC=? That is the part it wants you to solve. The ...
December 7, 2016

Math Question
A Teacher gives each student a number. She tells the students to line up according to their number. Some students had trouble doing this. What knowledge of number operations are the students missing? Is the answer ordinal numbers?
December 6, 2016

Fraction Test Question
Here is a question I had on a test. 4x8 = 8x4 (8x4)=32 32x4= What could be another outcome of this answer? Answer choices had fractions in them.
December 6, 2016

Third Grade Math
Thank you, It confused me because I thought I needed to figure out the total for the Manatees too.
November 29, 2016

Third Grade Math
Baseball teams Manatees won 4 more games than the Herons. They played 9 games in all. What is the fraction amount of games won for the Herons? I don't even know where to begin to solve this. I don't know how to figure out how to find 4 more. I know the fraction will be...
November 29, 2016

Third Grade Math
It didn't say on the test. It gave me the coins and then asked what fraction it would represent. Then it gave 4 answer choices. I can't remember the answer choices.
November 29, 2016

Third Grade Math
What fraction would these coins represent? 3 Quarters, 4 nickels, 2 dimes I can write a fraction for each of them. But I don't know how to write a fraction for all of them together. Can someone explain this to me?
November 29, 2016

third grade Math
Julie made 206 cookies. 142 were chocolate chip. write the amount of chocolate chip cookies into a fraction. I am not sure how to solve this. Can anyone help me?
November 29, 2016

Math
I don't get where u got the 1:80 from 2:20 the time left in math class? Why and how did u change 2:20 to 1:80? I'm 25 yrs out of school trying to help my 5th grade daughter
August 23, 2016

maths
mrs chan baked some cupcakes. She gave 1/6 of the cupcakes to her neighbour and 7/10 of this remaining cupcakes to her sister. If she had 12 cupcakes left, how many cupcakes did she bake together?
July 22, 2016

Calculus 3
I need help writing the series 4 + 1/5 + .3 + 1/(3 + sqrt 2) + 1/(9+ sqrt 3) + 1/(27 + sqrt 4) + 1/(81 + sqrt 5 .... I have played with using irrational numbers, natural log and a vast variety of exponential arrangements. Any help to get me going in the right direction would ...
May 3, 2016

life orientation
1.oow the point Is that once uve been violented then you'll undermine yourself n thots, n dat case u may not be able to participate in any activity weada at skul or de society.... 2.Then to the community as a whole...people tend to feel isolated and ada ways the whole ...
March 31, 2016

biochem
why do lipids less dense than proteins? PLEASE HELP ME ANSWER THIS QUESTION. it really makes me wonder because lipids are much larger molecule compare to protein molecule but why protein is denser?
February 22, 2016

Math
Denise is saving for a new bicycle. The bike cost $89 and she already has $54. What percent of the total cost of the bicycle has Denisa already earned (rounded to the nearest whole percent)
January 6, 2016

Math
x+y=180
December 3, 2015

Geometry
4 2/3yd 3 7/8yd
October 19, 2015

esl
Why do we say "he is average height" and not he has average height". don't we use have for a noun and is for an adjective?
October 2, 2015

Math M131A
a rubber ball has the property that on any bounce it returns to 1/3 of the height from which it just fell. Suppose the ball is dropped from 108 ft How far has the ball traveled by the fourth bounce?
September 24, 2015

ENGLISH
Thanks jack 100%
August 11, 2015

english
Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life.
April 15, 2015

Chemistry
Determine the number of molecules of the compound iron phosphate with 129.68 g Fe3(PO4)2
March 22, 2015

Chemistry
How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -20 oC? Kf = 1.86 oC/m.
February 3, 2015

math
2 x 10 15 power
January 14, 2015

college, math
Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 12% (add-on rate). If the refrigerator at Sears costs...
November 17, 2014

CHEMISTRY
Total Pressure in a vessel containing Oxygen collected over water at 25 *C was 723 torr. The Vapor Pressure of water at that Temperature is 23.8 torr. What was the pressure of gas?
October 5, 2014

Calculus
How do I solve for the investment of 20,000 with an interest rate of 7.5 compounded annually for 10 years? This is what I have so far and I don't know if I'm using the right formula. n=10 and I=r=0.075 A=P(1+i)n =20,000(1+0.075)10 This is where I'm stuck
September 8, 2014

HCA 311 Health Care Financing & Information System
Using the example of “From the Front Lines” in Chapter 6 of your text, calculate the break even for the number of procedures. Use an electronic spreadsheet to show how you computed the break even and embed the spreadsheet in your paper. Discuss the impact of the ...
June 15, 2014

math
length of blanket is 80 inches and width is 60 inches,how long the border has to be to go around the edge of the blanket?
May 27, 2014

maths literacy,geography,lifescience,,agricultural
which career can i pick with this subjcts
February 28, 2014

Greatest Common Factor
There sre 16 rocks that are green and 24 rocks that are blue. Sharon is dividing her green and blue rock collection into bags. Each bag will contain the same number of each color of rock. How many rocks of each colr will be in each bag?
February 8, 2014

chemistry
You are analyzing a solid isolated from a reaction and find that its boiling point is over 1000 ∘C. You dissolve the compound in water solution and recrystallize it to produce some solid crystals that you use to determine that the compound is a crystalline solid. Which ...
January 23, 2014

MAT126: Survey of Mathematical Methods
All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or ...
December 20, 2013

advanced pre algebra
-6 >/= to g + 4
December 10, 2013

algebra
One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?
December 3, 2013

prealgebra
One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?
December 3, 2013

prealgebra
A number equals six less than four times a number. What is the number?
December 3, 2013

prealgebra
Four times a number is 21 more than the number. What is the number?
December 3, 2013

math
Julius sold 5x as many computers as Sam sold last year. In total they sold 78 computers. How many computers did Julius sell. **Solve each problem by WRIING and solving the equation.
November 13, 2013

math
write -5.5 recurring as a fraction or mixed number in simplest form.
November 3, 2013

math
Why did you reverse fraction to multiply?
November 3, 2013

math
if each guest eats 2/3 of a small pizza, how may guests would eat 12 small pizzas.
November 3, 2013

Geometry
ray OB is the bisector of angle AOC and ray OC is the bisector of angle BOD. m<AOD =120 find m<AOB
September 5, 2013

math
Find the complex zeros of the polynomial function, and write f in factored form: f(x)= x^3 - 8x^2 + 30x - 36
August 21, 2013

math urgent please
i think I know the answer to this question but could u please explain it to me how much smaller is the digit in the thousands place than the digit in the ten thousands place in the number 55,512 is the answer 10. could u help explain it
August 12, 2013

basic math
i think I know the answer to this question but could u please explain it to me how much smaller is the digit in the thousands place than the digit in the ten thousands place in the number 55,512 is the answer 10. could u help explain it
August 12, 2013

Statistic/Psychology
90
July 26, 2013

math
(3)-3=
June 20, 2013

algebra
how many turn around points are in the function f(x)=(x-1/3)^2(x-2)^3
May 17, 2013

Algebra
7882
May 14, 2013

Physics conceptional question Please help
THANK YOU DAMON!
April 24, 2013

Physics conceptional question Please help
Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V is applied. What would happen if the wavelength of the incident photons was tripled? Would the energy be 4eV,so 12/3=4, and there will be no current...
April 24, 2013

Physics PLEASE HELP
When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV
April 24, 2013

Physics Please help out
Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V is applied. What would happen if the wavelength of the incident photons was tripled? Would the energy be 4eV,so 12/3=4, and there will be no current...
April 24, 2013

Physics
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 275keV . What was the energy of the photon? E=in MeV What was the wavelength of the photon? wavelength in m Please help thank you!
April 23, 2013

Physics
Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V is applied. What would happen if the wavelength of the incident photons was tripled? Would the energy be 4eV,so 12/3=4, and there will be no current...
April 23, 2013

Physics
When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV
April 23, 2013

Physics
When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV Please someone help me out. Thank you.
April 22, 2013

Physics
Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V is applied. What would happen if the wavelength of the incident photons was tripled? Would the energy be 4eV,so 12/3=4, and there will be no current...
April 22, 2013

chemistry
A sample of solid sulfur is heated with an electrical coil. If 105 joules of energy is added to a 12.4 gram sample initially at 24.4°C, what is the final temperature of the sulfur?
April 8, 2013

chemistry
80g of NaCl are dissolved in 400g H2O. if the vapor pressure of the water is 40 mmHg , what is the vapor pressure of NaCl above the solution?
February 12, 2013

math
Which of the following salaries will have a purchasing power of $24,035 if the inflation rate is five percent?
January 24, 2013

Math
The cheetah can 60 miles per hour. How many miles the can run for every half. Hour up to 2 hours?
January 24, 2013

science
what is the difference between weathering and erosion
January 7, 2013

algebra
12square root(-10)^12
December 26, 2012

HCR/210
I need to find information pertaining to handling aeministrative data that a doctor does NOT need to see.
December 14, 2012

chemistry
given 2CH3OH+3O2->2CO2+4H2O 1. Calculate number of grams of CH3OH required to react with 34.0L of O2 at STP. 2. How many liters of CO2 at 18 degrees Celcius and 6.94 atm are produced when 3.40 mol of CH3Oh is burned completely. 3. What volume of CO2 is produced if 7.11L of ...
November 13, 2012

Physical Science
If liquid pressure were the same at all depths, would there be a buoyant force on an object submerged in the liquid?
October 23, 2012

PHYSICAL SCIENCE
How do the pressure variation with depth affect our ability to explore the ocean?
October 22, 2012

HCR210
What is the administrative data a doctor does not need to see? Also whjy do they not need to see it?
October 1, 2012

Physics
A sandbag is dropped from the helicopter 125 m above the ground. What is its velocity at a height 60.0 m and when it hits the ground?
September 30, 2012

writing algebriac expression
The total amount of money (in cents) in y quarters, 7y dimes, and (2y - 1) nickles.
September 26, 2012

algebra
hi i need help on these problems..i have tried online to do it myself but i still don't understand what they are asking... compare the numbers in each exercise using an inequality symbol.. 4/5, square root of 1.3 pie, 19/6
September 17, 2012

Chemistry
What chemical compound is formed in the reaction when 6M HCl and 1M NaOH is reaction?
August 30, 2012

Physics
The average speed of a truck is 60.0km/h. How long does it take for the truck to travel 265km?
August 24, 2012

Physics
Light travels at a speed 3x10^8 m/s. What distance does it travel in a time of 0.1s?
August 24, 2012

Algebra
Simplify. Please show all work. 6b^2 - 4b + 3b^4 - (7b^3 + b^4 - 4b)
June 20, 2012

Chemistry-Please check
When the kidneys secrete hydrogen ions, does the pH of the urine drop or is carbonic acid formed in the blood? Secondly, when the kidneys secrete hydrogen ions, it would raise the pH of the blood, correct? I'm really confused onthis and would appreciate some help
April 25, 2012

Statistics
Thanks MathGuru! Makes a ton more sense now!
April 20, 2012

Statistics
An automobile dealership has as one of its performance goals that the proportion of its automobiles sold that are deemed “good value for the money” by the purchasers be at least .90. For a random sample of 400 automobiles sold over the past six months, 352 were ...
April 20, 2012

intermediate algebra
2*49
April 13, 2012

Prob/Stat
If P(A) = .3 and P(B) = .4 and P(AandB) = .2 what is P(A/B)? P(B/A)? Are A and B indepentent?
April 1, 2012

statistics
According to a recent studey, 1 in every 4 women has been a victim of domestic abuse at some point in her life. Suppose we have randomly and independently sampled twenty-five women and asked each whether she has been a victim of domestic avbuse at some point in her life. Fidn ...
March 29, 2012

Statistics
A recent survey found that 72% of all adults over 50 wear glasses for driving. In a random sample of 100 adults over 50, what is the mean and standard deviation of the numbe who wear glasses?
March 29, 2012

Intergrated Arts
Looking at examples from Whitney collection, what qualities do the art works have in common?
March 3, 2012

math
thanks Ms. Sue
February 14, 2012

math
What multiplication fact could you use to find a number that can be divided equally by 8 and 9? My answer is 8 x 9 = 72. Is this correct?
February 14, 2012

Algebra II
How long would it take to earn $7000 on a 3500 dollar investment at rate of 7.8% compounded continuously? Would it be something like this: 7000=3000*(1+0.078)/? not sure about what to divided by??? Help-I'm really confused!!!!
November 21, 2011

Spanish-9th grade
Could you please check if I read and answered the questions correctly? My answers are below in the separate area after the questions. Thank you No vivo en una ciudad. Vivo en el campo. La vida en el campo es muy divertida. Me divierto mucho con los animales y con las ...
November 5, 2011

Pre-Calc-bob pursley recheck please
I thought that once I got to 105/16 I should take the square root which is factored out so I can't take anything out of the 105,however I can take the square root of 16 = 4 and you take the square root of (x+5/4)^2 to get it out of parentheses, so therefore the 2 roots are...
September 7, 2011

Pre-Calc
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
September 7, 2011

Pre-Calc-Please check my answer-I think I have it
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
September 7, 2011

Pre-Calc-Please check my answer-I think I have it
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
September 7, 2011

Pre-Calc-Please check my answer-I think its correc
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 ...
September 7, 2011

statistics
suppose you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information that you have. Your boss asked you to put together a report showing the relationship between these two variables. What could you ...
September 7, 2011

Pre-Calc-Please check my answer
I did do it the long way-you way is much simpler Thank you all
September 6, 2011

Pre-Calc-Please check my answer
Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are...
September 6, 2011

Pre-Calc/TrigPlease check this answer I redid
x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 and 3
September 6, 2011

Pre-Calc/Trig
Please help-I'm stuck really bad What are the roots of the equation x^2 - 4x + 3 = 0 I think I was suppose to use b^2 - 4ac so it would be -4 - (-4)*1*3 = 12 so the roots would be 12 and -12 Thank you for any help you can provide
September 6, 2011

biology
increase in the amount of living material and formation of new structures in an organism: a characteristic of all living things
August 25, 2011

stats.& Prob
Astudy shoed 53% of college applications were submitted online. Assume this result is based on sa simple random sample of 1000 applications with 530 submitted online. Use 0.01 sig.level to test claim that among all student applications the percentage submitted online is equal ...
August 15, 2011

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