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Posts by monique

Total # Posts: 325

Chemistry
Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

Chemistry
Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

Algebra1
Determine the next geometric sequence number 1024,512,256,128

Algebra1
Determine 3rd term in the geometric sequence whose first term is -8 and whose common ratio is 6

Algebra1
Determine 5th term in the geometric sequence whose first term id 4 and whose common ratio is 3

Algebra1
Population of Mexico has been increasing at annual rate of 1.7% if population was 100,350,000 in year 2000, predict population in 2015. Round to nearest number

Maths
Write. The following in standard. Form 6120

math
How to post 35252 in expanded form

Algebra 1
Z/3-3=z/4+7 Please help i don't understand this solving linear equations

Discrete Mathematics and its Application
Am not understanding , how to do the truth or Venn diagram to show a statement pv(q^r)is equivalent to (pvq)^(pvr). How can I show the statement is not equivalent to (pvq)^r. I have to explain my answer in truth or Venn diagram, but my problem really is Word Problem, and that ...

math
A trapezoid has an area of 96 square inches. It has a night of 12 inches and one of its bases is 6 inches. Determine the length of its other base

Chemestry
When you were dissolving salt or sugar in a beaker of water, how did you know it was a saturated solution?

math
A company made 4 million in the second quarter this is 1/3 more than it made in the first quarter and 4/5 of what it made in the third quarter how much did the company make in the three quarters combined

physics
The elastic potential energy E is given by E=C p^2 g^2 A l0^3,where p is the density of the metal.g is the acceleration of free fall. A is the cross-sectional area of the wire and C is a constant. determine the si base units of C?

math
Answer 9+1=10, 10+6=16 16-9? [ [ 6 10 ( 10+6=16) then you cross out the 0 to make the 1 then what is left is 9 (9+1=10)

Operating System
How would you rank the principle of concurrency? Explain the design issues for which the concept of concurrency is relevant.

CRITICAL THINKING
Do the following: •Make a list of advertisements you like and specify why you like them. •If the advertisement is for a product, state whether you buy the products in those advertisements and whether your decision to buy is influenced by those advertisements. If the ...

Math
Ian gets $9 for each hour he works and $10for each day he works. To find out how much he makes in a day, he made the equation y=9x+10x, where x is the number of hours he works. Explain why Ian's equation will not tell him how much he makes in a day.

history
what were the contributions of shang dynasties craftspeople?

history
how did the use of bronze give shang warriros on advantage over enemies who did not use bronze?

Math
Ricardo spends 8/9 hour reading the newspaper. He spends 1/4 of the time reading the world news and splits the remaining time equally between the sports news and the comics. How much time does he spend reading the comics?

chemistry
how many CO would be needed to reduce 19.1 grams of iron (III).

Math
Will I use the distance formula for this problem. A airplane traveling at 390 km/hr in still air encounters a 65 km/hr headwind. How long will it take the plane to travel 725 km into the wind? 390=r*65

health
How might ethical issues alter your way of conducting change

math
Find the Inverse: f(x)=√2x+9

math
p= x^2-25x+5000

Math
Complete the Square f(x)= -x^2+2x

Math
Thank You

Math
Complete the Square f(x)= -x^2 + 2x

Math
-10-6i / -9+9i

College Algebra
-10-6i / -9+9i

Pyschological Statistics
In a distribution with a standard deviation of eight, an individual score of 42 corresponds to a Z score of -0.5. What is the mean of this distribution?

Math
Billing office is trying to figure out the amount of 0.75 hour overtime for a worker who is paid $32.48 for A regular hourly rate. The overtime rate is 1.5 of his regular hourly rate. How much is 0.75 of an hour at the overtime rate for this worker

Algebra II
When asked to solve the rational equation 11/2x^2+x-15=5/2x-5-x/x+3 a student multiplied both sides of the equation by the expression (2x2+x−15)(2x−5)(x+3). Was this the best thing for the student to do? If not, what should the student have done?

physics
A particle (m=3*10^-6 g, q=5*10^-6 C) moves in a uniform magnetic field given by (60j) mT. At t=0 the velocity of the particle is equal to (30j - 40k)m/s. The subsequent path of the particle is? I know that the answer is: helical with a 40-cm radius. But i don't know the ...

Algebra II
Find the difference quotient for the following Rational Function f(x)=5/x using the four steps outlined below. a. find f(x+h) b. find f(x) c. substitute f(x+h) and f(x) into the difference quotient formula. d. simplify

Algebra II
In front of the letter n there is actually the pie sign

Algebra II
I wrote out the word pie in place of the actual symbol. Consider (pie n+pie n-1)(pie n-pie n-1)= 1 for n greater than or equal to 1. a) Provide two numerical examples illustrating its validity. b) Show the statement is true in general. c) What is the difference ...

Algebra II
Find the error in each of the following and provide an explanation of the mistake made. Thanks for the help. a) (3x/1/x-5)^1 =1/3x/x-1/5 b) (3x/1/x-5)^1 =-3x/5-1/x c) (3x-4y)^2 = 9x^2 + 16y^2 d) x^2-3/4+x^2=-3/4

Algebra II
The measure of the largest angle of a triangle is 90 more than the measure of the smallest angle, and the measure of the remaining angle is 30 more than the measure of the smallest angle. Find the measure of each angle. Show your work in obtaining your answer.

algebra
Write the numeral as a Roman numeral. 503,303 A. MMCCCIII B. MMMCCCIII C. MMCCCXIII D. MMCCIII

history
India's history has often been associated with the life and thought of Mohandas Gandhi. Gandhi insisted that all his followers remain nonviolent. For him, ahimsa (nonviolence) was essential. What accounted for the success of ahimsa? Can you think of any American parallels ...

computer science
Best practices for securing local networks?

science
a car eneters a freeway with a speed of 6.7 m\s and accelerates uniformly for 3.0 I 3.8 min . how fas the car moving after this time?

English
What comes to mind when you think of needing more time? Some examples might be studying, family, exercise, relaxation, a hobby, or building your business

college english
2 paragraph essay..What comes to mind when you think of needing more time? Some examples might be studying, family, exercise, relaxation, a hobby, or building your business

algebra
An investor invested a total of $2200 in two mutual funds. One earned 5% profit while the other earned a 3% profit. If the investor's total profit was $86, how much was invested in each mutual fund?

english
Trust in the Lord with all of your heart.Do not depend on your own understading.

Early childhood
Foundations of development

Physics
A trolley of mass 2kg accerates from rest across a rough surface at 2,5m.s.It experiences a frictional force of 3N.Calculate the velocity of trolley after 4s and the distance travelled by the trolley in 4s

algebra
12

algebra 1
X+12+x<44

Math
use compatible number to estimate problem: 1,212 + 347 537 + 3,244 329 + 64

Comunication Skills
You speakers of Castilian Spanish and Cantonese Chinese may be especially vulnerable to environmental influences in the mainstream classroom because of their: A. oral traditions b. linguistic environments c. cultural histor d. dialectal dominance

MATH
IF I SOLD 592 TICKETS EACH FOR $6.00 EACH HOW MUCH MONEY WILL I MAKE

Statistics
2.5

sci/275
on the emission calculator what was your highest contributor

health
lol me 25th

chemistry
6 grams

Chemistry
5g of calcium carbonate reacted with 0.5mols of sulfuric acid, what mass of carbon dioxide is produced?

math
If a serving size is 1/6 and at the end of the night the restaurant has 5 3/8 left how many servings are left?

physics
an electron has a kinetic energy that is 1.8 times its rest energy. What is its speed, expressed as a fraction of the speed of light?

algebra
Suppose you have a can of paint that will cover 400 ft squared. A. find the radius of the largest circle you can paint. Round to the nearest tenth of a foot.( hint use the formula A=3.14 times radius squared B. Suppose you have two cans of paint, which will cover a total of ...

Math
Moniques credit card charges interest of 20.85% per annum on unpaid balances on her march 12 statement. she had a balance of $739.65 due by the due date, she made the minimum payment (5% or 10.00, Whichever is greater.) On march 16. She made a purchase of $179.39 a)If she ...

Geometry
Which of the following can be used to describe the triangle with the vertices listed below? F(-1, 2), G(-10, 2), H(-12, -11) I. acute II. obtuse III. right IV. scalene V. isosceles VI. equilateral --------Please help!!! Explain.

Geometry
two perpendicular lines with the equations y=1/3x+9 and y=mx-3 contain the consecutive sides of a rectangle. What is the value of mx in the 2nd linear question.

geometry
During the half-time show of a football game, a trumpet player and a tuba player start at the same position on the field. The trumpet player then marches 74.8 ft directly toward the goal line, and the tuba player marches directly toward the sideline. At the end of their march...

Geometry
A right triangle with G and F as the two base angles and E as the top angle. Side EF is Y, side FG is x, while side EG is 2x. If Y = 15, what is the value of x? ----Please help, and explain.

Algebra
Two perpendicular lines with the equations y=1/3x+9 and y=mx-3 contain consecutive sides of a rectangle. What is the value of m in the second equation?

Geometry
Which of the following can be used to describe the triangle with the vertices listed below? F(-1, 1), G(-8, 1), H(-9, -10) I. acute II. obtuse III. right IV. scalene V. isosceles VI. equilateral -----Please show me how you got the answer

Pre-cal
Does the equation x^2+x-12/x+2 have holes?

bio
The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless A. they are enclosed in water-filled vesicles. B. they pass through channels in the cell membrane. C. they ...

biology
Food that is consumed often enters the body in the form of large organic molecules, such as proteins and starches. Prior to entering cells, however, these large molecules must be broken down into smaller molecules. For example, proteins are digested into _______ prior to ...

biology
Organisms must be able to adapt to a changing external and internal environment. An organism's ability to maintain a stable internal environment is known as homeostasis. How does a cell's membrane help an organism maintain homeostasis? A. Cell membranes use a large ...

Geometry
Find the equation of the line passing through the given points (1,5) (2,7) please show work

chemistry
how many chloride (CL negative two) ions are needed to balance a positive charge of Barium positive two?

physics
When a mass of 28 g is attached to a certain spring, it makes 19 complete vibrations in 3.9 s. What is the spring constant of the spring? Answer in units of N/m

Physics
A mass of .24 kg is attached to a spring and is set into vibration with a period of .30 s. What is the spring constant of the spring? Answer in units of N/m

Geometry
Angle A and Angle B are complementary andgles and the m Angle A = 58 degrees, what is he measure of the supplement of Angle B. This is what I did Angle A and Angle B = 90 degrees, mAngle A = 58 degrees 90 - 58 = 32 degrees 180 - 32 = 148 M angle B supplement = 148 degrees Am I...

Geometry
Z is between I and P. Solve for x and find IP. IZ= 3x+5 ZP= 4x+13 IP= 15x-22

Communication
Imagine you are the office manager for a medical practice and have recently attended a conference where you learned about active listening and its benefits. You want to share the information with your practice’s staff.

MATH
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 174 and a variance of 9. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single, randomly selected piece ...

Math
a mountain with a base 5977 feet below sea level rises 17365 feet. what is the elevation of its peak

Chemistry
50.0 ml sample of ethylene has a mass of 55.505g. Find the density of ethylene.

chemistry
calculate the amunt of heat required to completely boil 250g of water starting from room temp 22 degrees C

chemistry
why does rubbing alcohol feel cold when its applied to the skin?

chemistry
calculate the heat liberated when 118g of water at 0 degrees C is frozen?

chemistry
Potash is composed mainly of potassium carbonate, K2CO3. If 1.000g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the percentage of potassium carbonate in the marble sample? K2CO3 + H2SO4 ==> K2SO4 + H2O + CO2

chemistry
A wooden boat discovered just south of the Great Pyramid in Egypt had a carbon - 14 content of approximately 50% of that found in living organisms. How old is the boat?

chemistry
A radioactive sample contains 2.45g of an isotope wiht a half life of 3.8 days. How much of the isotope in grams remains after 11.4 days? please explain

chemistry
Silver is electroplated at the cathode of an electrolysis cell by the half reaction Ag+(aq) + e- --> Ag(s) How many moles of electrons are required to electroplate 5.8g of Ag?

chemistry
O# of Cr(OH)4- How did you get +3

chemistry
Balance the redox reactin in basic. ClO- + Cr(OH)4- --> CrO42- + Cl- H2O + ClO- --> Cl- + 2OH ClO- has a +1 O# and Cl- has a -1 O# how do I balance that. And is what Ive done so far correct? Cr(OH)4- --> CrO42- Im confused on how to balance the oxygen and hydrogens ...

chemistry
please help this equation is driving my crazy. balance the following redox reaction in basic solution. H2O2 + ClO2 --> ClO-2 + O2

chemistry
Balancing Redox Reaction in Basic Solution CN- + MnO-4 --> CNO- + MnO2 H2O + CN- --> CNO- + 2H +2e 3e + 4H + MnO4- --> MnO2 + 2H2O My confusion is with adding the OH- please explain

chemistry
Oxidation CN- C=2+ N=3- Can you explain how C is 2+

chemistry
Am I headed in the right direction. Sn + MnO4- --> Sn2+ + Mn2+ Sn --> Sn2+ + 2e- 5e + 8H + MnO4- --> Mn2+ + 4H2O If Im right what is the whole number that Im multiplying by

chemistry
I can see that now thank you very much

chemistry
Please explain this to me 2I- --> I2 + 2e Cr2O72- ==> Cr3+ 6e + 14H + Cr2O72- ==> 2Cr3+ + 7H20 I don't understand how the left side gets 6 electrons.

chemistry
Balance the following redox reaction occurring in acidic solution Cu(s) + NO3-(aq)--> Cu2+(aq) +NO2(g) This is what I have done so far Cu-->Cu2+ + 2e- 2H + NO-3 --> NO2 + H2O Need help please

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