Wednesday
April 23, 2014

Posts by sheila


Total # Posts: 177

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

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?

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 o...

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 younge...

advanced pre algebra
-6 >/= to g + 4

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?

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?

prealgebra
A number equals six less than four times a number. What is the number?

prealgebra
Four times a number is 21 more than the number. What is the number?

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.

math
write -5.5 recurring as a fraction or mixed number in simplest form.

math
Why did you reverse fraction to multiply?

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

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

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

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

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

Statistic/Psychology
90

math
(3)-3=

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

Algebra
7882

Physics conceptional question Please help
THANK YOU DAMON!

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...

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

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...

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!

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...

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

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.

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...

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?

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?

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

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

science
what is the difference between weathering and erosion

algebra
12square root(-10)^12

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

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 ...

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

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

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

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?

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

algebra
hi i need help on these problems..i have tried online to do it myself but i still dont 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

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

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

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

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

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

Statistics
Thanks MathGuru! Makes a ton more sense now!

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 deeme...

intermediate algebra
2*49

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?

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 ...

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?

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

math
thanks Ms. Sue

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?

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!!!!

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 actividad...

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...

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 ...

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 ...

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 ...

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 ...

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

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...

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

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

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

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 ...

Algebra
Annual profit in thousands of dollars is given by the function, P(x) = 12x-100, where x is the number of items sold in thousands x ¡Ý 10. Will this profit function have a maximum if so what is it?

English
Does this poem make sense? Chocolate This is my weakness I must confess The smell of chocolate is so sweet It is so good and a wonderful delight My one and only friend late at night Here to satisfy all my needs and wants Without I don’t know what I would do Chocolate is m...

English
Did I correct my triolet? My Mother My mother always wiped away all my tears God must have sent this woman from above When I cried she had a listening ear My mother always wiped away all my tears She took away all my worries and fears There was no doubt of my mother’s lov...

English
Is this better. (Triolet)? Does it make sense? My Mother My mother always wiped away all my tears God must have sent this woman from above When I cried she had a listening ear My mother always wiped away all my tears She took away all my worries and fears There was no doubt of...

English
I have to write a triolet.Would you proof read this one for me? Title: My Mother My mother always wiped away all my tears God must have sent this woman from above When I cried she had a listening ear She took away all my worries and fears My mother always wiped away all my tea...

sentence skills
which is the most effective coordinating conjunction to jointhe following independent clauses.... Miriam wants a digital picture frame,___________ she cannot afford one just yet. a) but b) for c) so d) and

chemistry
I need to write an equation tht takes place at a temp of 400 K and with a catalyst of iron to make ammonia gas from gaseous nitrogen and hydrogen

physics
is fluid pressure constant?

Algebra II-Please check my calculation
Thank you

Algebra II-Please check my calculation
Find center, vertices, co-vertices and foci for the following; (x-3(^2/49 + (y-4)^2/4 = 1 Center would be (3,4) A=7 b=2 Vertices would be found this way: (h+-a,k) (3-7,4) (3+7,4) Vertices = (-4,4) (10,4) Co-vertices (h,k+-b) (3,4-2) (3,4+2) Co-vertices=(3,2) (3,6) If ound &quo...

Business Writing
What comes first the business letter, the interoffice memorandum or the email

Physics
5.6

chem
first part is 2r = 16 second part is 16 * square root of 2 third part is 6 * square root of 3

managerial economics
I believe the answer is C.

managerial economics
assuming that the firm's goal is to maximize present value of the profits in the subsequent 5 years, which of the following flows of profit would achieve that goal? Justify your answer. Note that the flows are represented by 5-tuples, i.e. five number each of which represe...

dalton state
what is 20+40=

Math
Simplify 1/2x-3/x+6

MATH! PLEASE REPLY ASAP!
OPQRS is a regular square-pyramid whose base has sides of 7 cm. Given that the total surface area of the pyramid is 161 cm2, find its slant height.

chemistry
A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges. Identify the food groups mentioned above. If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein,...

Physics-Please check my answer-I've been working o
Thank you for the detailed answer-I actually get it and understand it-thank you again!!

Physics-Please check my answer-I've been working o
If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought because we would both be accerlerating at the same rate but that doesn't explain the energy part doe...

Physics-Please check
If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought becuase we would both be accerlerating at the same rate but that doesn't explain the energy part doe...

crt/205
I have trouble with labeling these statements if someone can help I would appreciate it. I need to know if the labeling is correct if not what is the correct labeling. I believe these are ambiguous or vague statements-1. federal reserve looking to spend upwards of 1 trillion o...

Chemistry
When calcium oxelate is treated with an acidic solution of potassium permanganate, the following reaction occurs: CaC2O4(s) + MnO4-(aq) = Ca+2(aq) + CO2(g) + Mn+2(aq) Balance the equation.

math 4 grade
72738r

chemistry
1290.15grams

us history
For years, many history books claimed that "Columbus discovered America." Why do you think Native Americans might disagree with the word "discovered" in this statement? What might be a better word?

english
hamlet what is bothering hamlet ? and what is bothering hamlet the most?

Math
A square is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 15 inches,what is the are of the original square?HELP...please?

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