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Posts by Carmen

Total # Posts: 288

Calculus
For which values of x does the curve Y= (3x^3-3x^2+1) / (2x^2-1) , have a horizontal tangent? Show steps or explain, i dont get it

Calculus
f'(x) = [f(x+h)-f(x)] / h F'(x) = [(x+h)+1] / (x+h)^2-16]-[(x+1)/X^2-16] /h F'(x) = [(x+h) +1](x^2)-[(x+h)^2-16](x+1) /h

english
In Stephen King's "Why We Crave Horror Movies?" Why does the author think we need to exercise our anticivilization emotions? What are some other ways we might confront these emotions?

Math
marvin wrote the following clues to describe a multiplication sentence. the product is close in value to 10. both factors are decimal number.the product has 3 decimal places.one factor is greater than one . The other factor is less than 1. Explain how you created your answer.

Math
marvin wrote the following clues to describe a multiplication sentence. the product is close in value to 10. both factors are decimal number.the product has 3 decimal places.one factor is greater than one . The other factor is less than 1. Explain how you created your answer.

PHYSICS
A force of 0.65 N is required to hold a spring extended 5.3 cm from its equilibrium position. Calculate the spring of constant of spring?

PHYSICS
A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle 40° with the horizontal (Fig. 6-19). The coefficient of kinetic friction between the block and the floor is 0.25. Calculate the magnitudes of (i) the frictional force on the block ...

Spelling and vocabulary
Write wild. Then write the basic word that is related to wild in spelling and meaning.

Math
Juan added a set of parentheses and a set of brackets in the expression below. Juan's expression has a value of 40. 15/3*5+4*8=

Calculus AB
How do you solve a system of logarithmic equations? They have completely different bases: {(log(25)^3)x + (log(2)^7)y = log(5)^27 {(log(7)^8)x + (log(3)^5)y = log(49)^2

english
what is the subject,verb and object in this sentenceParalegals must have good ethics.

Chemistry
Write the equation for the reaction of calcium and oxygen. Write the oxidation numbers for both the reactants and the products. What is the reducing agent and why?

Algebra
The Blackbird Oil Company is considering the purchase of 20new jumbo oil storage tanks. The standard model holds 12,000 gallons. Its dimensions are 4/5 the size of the similarly shaped jumbo model, that is, the ratio of the dimensions is 4:5

Technology
Thank you

Technology
1. Which of the following is an example of music piracy? A. borrowing your friend's CD B. borrowing a CD from the library C. downloading a song for $1.00 from a reputable website D. copying a CD from your friend and giving it to another friend** 2. Which of the following ...

Chemistry
Write the balanced reaction for the incomplete combustion of pentane, assuming the formation of carbon monoxide and water as the products. Enter the coefficient for each compound. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or...

Chemistry
How many grams of water will be produced by the complete combustion of 10.00 g of octane (C8H18)? Mass of water = g H2O

english
is had or was a stative verb?

english
is "had seen" or "was biking", an example of a stative verb?

english
what is the grammar point of the sentence "none of us are free when one of us is chained"

Health
1. The exchange of carbon dioxide and oxygen takes place in the A. alveoli** B. asthma C. bronchi D. diaphragm 2. ________ is a substance in tobacco smoke that reduces the blood ability to carry oxygen A. Tar B. Nicotine C. Asthma D. Carbon monoxide** Check

Algebra
Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is it B or D??

Math
Suppose the growth of a population (in thousands) is represented by the expression 32 * 2.1^x where x represents the number of years since 2010. Evaluate the expression for they year 2015. Round to the nearest whole number. A. 41 B. 1,307 C. 67 D. 622 Is it B or D??

Social Studies
4. How did demand for cotton help shape the economy for the south? a. The south focused on expanding industries to manufacture cotton clothing b. The south focused on expanding the production of cotton as a raw material c. Southerners only produced cotton as a raw material on ...

geometry
To find AB with endpoints A (-7,5)and B (4,-6) you can use ___?

chemistry
carbon dioxide (CO2) gas is produced as a result of the reaction between calcium carbonate and hydrochloric acid. The gas that is produced is collected in a 20 dm3 container. The pressure of the gas is 105 kPa at a temperature of 20 C. What mass of carbon dioxide was produced?

chemistry
if 0.600 moles of copper(II) sulfide is treated with 1.40 moles of nitric acid, how many moles of copper(II) nitrate could be produced?

Math
how do u make 60 cents

Recess(5th grade)
0.5

Math
That's my brother Matthew he wrote the question all wrong - mine is the right way but I still got it wrong. Thank You

Math
I have a same question as someone else but a little different. Based on a scale 1 inch equals 15 miles. Washington to Franklin is 1 1/2 inches, Franklin to Lincoln is 1 inch How much further from Franklin is Washington than is Lincoln I to got 7 1/2 inches? But I was also told...

Math
Two cyclists leave from an intersection at the same time. One travels due north at a speed of 18mph, and the other travels due east at 24mph. how long until the distance between them is 150 miles?

Chemistry
28.36

statistics
A population has m = 50. What value of s would make X = 55 a central, representative score in the population?

Medical coding
21. Provide the CPT code(s) for the following operative report from an inpatient hospital. Operative Report PREOPERATIVE DIAGNOSIS: Fracture/subluxation of neck, C6-7. POSTOPERATIVE DIAGNOSIS: Fracture/subluxation of neck, C6-7. PROCEDURE PERFORMED: Placement of halo. ...

Math
Count ostriches and llamas. Someone counted 47 heads and 122 legs. How many of each animals is on the farm.

Math
A car is going 50mi/h after 5s. The car is traveling 30mi/h about how long does it take the car to stop

statistics
help! where do i begin with this problem...in one area, monthly incomes of technology related workers have a standard deviation of $650. It is believed that the standard deviation of monthly incomes of non-technology workers is higher. A sample of 71 non technology workers are...

Chemisty
blanced equation for MgSO4(aq) + BaCl2(aq) describing any precipitaion reaction

English
In which of the following sentences is the underlined word a past participle?

math
A golf ball is to be hit 300 yards straight to make a hole in one. Having only played miniature golf, your first swing makes the ball skew 50 yards N 30 W. Trying to get back on track, the second shot goes 80 yards N 35 E. Now you are very upset with this game and you swing ...

physics
The area of a span that is unaffected by an applied force is

Science! Biology 1
Question: Which of following best describes the free-energy requirements of an organism? Answer Choices: During times of hibernation large amounts of free energy are required. Free-energy demand is consistent for all heterotrophs. The organism requires free energy in all ...

Pre-Calc
I really need to understand wha tmakes a graph have these discontinuities 1)Removable 2)Non-Removable and how to tell them in a function

Criminal Justice
Create a series of two advertisements "selling" different sentencing options to the many and varied stakeholders in Oklahoma's Criminal Justice system. What are some examples I can go off of?

math
What is the least number place value blocks you need to show 4,200? The greates?

Math (again)
Sorry...I forgot to include all of the details for one of my previous questions the complete problem is: 1. Yesterday Josh sold some boxes of greeting cards. Today he sold seven boxes. If he sold 25 boxes in all, how many did he sell yesterday? I can solve it myself, I just ...

Math
1. Yesterday Josh sold some boxes of greeting cards. If he sold 25 boxes in all, how many did he sell yesterday? 2. Jana baked some muffins. After she served 13 of them to her friends at brunch, she had 17 left. How many muffins did she make? 3. A scuba diver descends to a ...

american governmentnt
Some people believe those under 21 serving in the military should be allowed to drink alcohol even if non-military citizens are not. Yet, the founders clearly believed the military should serve the people rather than the other way around.

physics
if a scientist working with electromagnetic radiation has detected a frequency of 2.8X10^10Hz for one of the waves, what is the wavelength of this radiation wave?

physics
mc030-1.jpg Two stars are bound together by gravity. The larger star has four times the mass of the smaller star. Which diagram best illustrates the orbital motion of the two stars? (Note: the stars are shown much larger than they really are compared to the

physics
Compared to the number of radians in one revolution of a bicycle tire with a radius of 33 centimeters, the number of radians in one revolution of a go-cart wheel (radius = 22 centimeters) is:

physics
The Earth has a radius of about 6.38 ´ 103 kilometers at the equator and rotates 360° every 24 hours. The angular displacement of a person standing at the equator for 8.0 hours is:

math
completing the square 2m^2-m-15=0 using the quadratic formula 2y^2-3y-6=0

math
the length of a rectangle is 3 yds more than twice it width and the area of the rectangle is 77yds find the dimensions of the rectangle the length and width

alg 150 help
The width of a rectangle is 9 less than twice its length. If the area of the rectangle is 55 cm22, what is the length of the diagonal?

math
Yes because wherever they meet is an end point.

English
An Essay of 350 words,Topic is about A mememorable moment

Algebra
Write each repeating decimal as the sum-of two fractions. Find the sum and simplify. Verify . 0.75483 = 0.127 =

Algebra
Tom has a 15 foot ladder that he leaned against the wall of his house. Tom put the base of the ladder 3 feet away from the house. How far up The house is the top of the ladder?

math
A circular pol is to be built in a back yard. The yard forms a 40ft by 60ft rectangle. The pool will have a diameter of 29ft.

Physics
A speed skater moving across frictionless ice at 8.0 m/s hits a 5.7m-wide patch of rough ice. She slows steadily, then continues on at 6.5m/s. What is her acceleration on the rough ice?

Math
sin5x=cosx, find the general solutions for this please =)

maths
find general solutions for sin5x=cosx

accounting
Determine the amount of interest expense that should be recorded in a year end adjusting entry under each of the following independent assumptions Interest rate 12%, Fiscal Year End December 31

writing
I have a dispute with my teacher in 7th grade. In referring to McCarthyism in the phrase "towards the end of this reign of terror", is "reign of terror" a metaphor? Thanks.

recyclying
i need help writting a report on recycling for my science class and i don't know how to start please help

science
need help writing a a short report on recycling im in the sixth grade

math
Jenny does the dishes every third day, Mark every fourth day, and Misty every sixth day.If they all shared dish duty today, when will they all share dish duty again?

math
Jenny does the dishes every third day, Mark every fourth day, and Misty every sixth day.If they all shared dish duty today, when will they all share dish duty again?

anthroplogy 101
Caste systems are most common in societies

Civics
Do you think that it would be easy or hard to convict someone of treason and why?

Earth/Space Science
In many ways, the floor of oceans is no better explored than space. Why could discoveries such as life around deep-sea hotspots not be investigated until the past few decades?

chemistry
what isw the density of N2O,a gas at STP?

Psychology - Behavior Modification
Can someone help me come up with another treatment goal for inability to sleep. This is what I had and the instructor said that I had to change it because we really cannot include a biological function in the treatment plan since a doctor has to do this and that we do not ...

accounting
what can accounts payable involve equipment sore or office equipment or cash or neather

cultural antropology
Before colonialism, most colonized people lived in general peace and tranquilit static and unchanging cultures a state of balance with nature constant warfare and violence

Chimestry
How many moles of HNO(3) are present if 4.20*10^-2 mol of Ba(OH)(2) was needed to neutralize the acid solution?

Calculus (please help)
Evaluate the indefinite integral: INT dx/(64+x^2)^2 Please help with this one.

Calculus
Evaluate the indefinite integral: INT dx/(64+x^2)^2

Algebra
give an example of a function that you might encounter in everyday life and describe its domain and range.

MATH PLEASE HELP!!!!!
if 5 students each brought in 8 boxes with 10 pencils per box, and 10 students each brought in 8 boxes with 5 pencil per box . how many total pencils did the students bring in ?

Calc II
need help with practice assign ment and i need help , please email me email me carmenelectragowe (at ) @gmail

art history
pretend that you are entering charters catheral through the central portal. you want to get to the apse what parts of the plan might you traverse in order to get there? describe what you will see on the way.

algebra
2x2-5x+11=0

algebra
2x28-5x+11=0

math
planet A has an average surface temperature of -100F. Planet B has an average surface temperature that is 3/2 times of that Planet A. What is the average surface temperature of Planet A?

psychology/ABA
Thank you

psychology/ABA
The orriginal question: Define operant conditioning and discuss how this method works to increase desired behavior.

psychology/ABA
Can someone please tell me if I am defining operant conditioning correctly: Operant conditioning is a process of increasing or decreasing a specific behavior through reinforcement (positive or negative), punishment or extinction. The person operates based on the environment ...

chemistry
233.3ml

Statistics
in populations that are different from others. I would like to figure a sample of 10 with a mean of 44

geometry
The base length of the triangle with vertices A(1,1, B(9,1), C(5,5)is multipliend by 2.Describe the effect of the change on the area. can someone help me on this one.. am stuck

ALGEBRA
The difference of 50 and 15 less than the number

Calculus
Determine if f(x)=5/(x-3)^2 is integrable on [0,2]. Justify your answer.

math
i can i solve the equation for x. mx+e=t

NOUNS, PRONOUNS, AND ADJECTIVES
cattle

grammar
in the sentence-she told us about the different kinds of insects. is told a past or present verb?

subject and verb
could you please tell me what is the verb and subject in this sentence: Some young couples have decided to move to more rural areas in order to avoid the pressures of city living.

acc 225
Please help me.Internal control recommendations What internal control procedures would you recommend in each of the following situations? 1. A concession company has one employee who sells T-shirts and sunglasses at the beach. Each day, the employee is given enough shirts and ...

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