Posts by aria

Total # Posts: 316

English
Which of the following is a simple sentence? A. Many are called, but few are chosen B. A penny saved is a penny earned C. Fools rush in where angels fear to tread D. If at first you don’t succeed, try, try again 2. Which of the following is a compound sentence? A. I have ...

Algebra 2
Part A: For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values separated by commas. Part B: For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in ...

Science
If don't mind could you check my answers for environmental science 1.The interdisciplinary study of humanity’s relationship with other organisms and the non-living physical environment is termed: a) ecology b) sociology c) political science d) risk analysis e) ...

Physics question
A box of mass 25kg is sitting on a horizontal plane and has a normal force pointing down of 31N, and the coeff of kinetic and static friction between the box and floor are .22 and .38, respectively. What is the min horizontal force F needed to make the box start moving?

Math
Say i have a box plot and I'm trying to determine the shape. My mean is 119.6 My median is 51 Would the shape be skewed to the right ?

Math
Say i have a box plot and I'm trying to determine the shape. My mean is 119.6 My median is 51 Would the shape be skewed to the right

Environmental science
Assume the biomass of the organism at the bottom of the trophic is 5,000 lbs. predict the approximate mass of each of the remaining levels, explain why the mass is changing.

Environmental science
If anyone doesn't mind could they explain the biogeochemical cycle. What are the sinks? How do they work ? How do humans affect them?

Science
Say you had a pond that initial had 30 fish. There was 3 fisherman collecting at least 2 fish to feed their family, They fish for 3 seasons ? At the end of the day you would double the fish whatever you had left. $5 a fish What happened to amount of food and money each person ...

History
What additional risk or costs do entrepreneurs assume when they choose to work for themselves ? ( like compensation packages)

Check answers
Environmental science Explain why the energy pyramind levels change in size? There is not enough energy to support the organisms that are higher up in the energy pyramid because too much energy gets lost. What is the ultimate source of energy for most food webs ? The sun ...

Environmental science
Why does the energy pyramid levels change in size ? What would happen to a food web if one of the primary consumers was removed from the system ?

EPI
My answer is wrong ??

EPI
I need help finding a principle of economics. The principal is people choose. The text is called "Why we're still fighting the civil war " by David Von Drehle. Time Magazine has the article. My answer is "Abraham Lincoln said that a single issue dividing the...

English
How does Millhouser manipulate diction in order to create a theme in " Dangerous laughter".

English
Identify the novel's point of view and discuss the effect of any significant shifts in the narrative voice. In other words, when does the protagonist's point of view change within the novel and why is it important. Novel is called The Awakening by kate chopin

Social Studies
1. The Mound Builders primarily lived in what regions? Select all that apply. 2. What was a common theme shared by the Mayan and Aztec civilizations? 3. What was the initial reason for Columbus' journey to the New World? 4. Based on this excerpt from the text, what impact ...

Math
If 2x=5, 3y=4, and 4z=3, what is the value of 24xyz ?

Math
Aubrey can run at a pace of 6 miles per hour. Running at the same rate, how many miles can she run in 90 minutes?

Math
In 7 days, Mario cooked 98 pounds of spaghetti. Each day after the rst, he cooked 2 more pounds than he cooked than the day before. What is the difference between the average (arithmetic mean) number of pounds of spaghetti he cooked per day and the median number of pounds he ...

Math
If the following function was transformed to g(x-2)+3, find g(2)

Math
Consider the system of equations y= -x^2+9 y=3/x Find the solution of the system to four demimal places

Math
t= 7508.4 i think I dont know how to do the second part

Math
A certain type of bacteria is growing at an exponential rate that can be modeled by the equation y=ae^kt, where t represents the number of hours. There are 300 bacteria initially, and 1500 bacteria 5 hours later. How many bacteria will be present at time t=10? Find you answer ...

English
To what extent does writing connect with people and society? Provide one source thats supports and one source that refutes. The two sources must examine the topic from different perspectives. The sources I already have is: writing and reading relationships: constructive tasks ...

Math
A certain type of bacteria is growing at an exponential rate that can be modeled by the equation y=ae^kt, where t represents the number of hours. There are 300 bacteria initially, and 1500 bacteria 5 hours later. Find the rate of growth, k, of the bacteria. Write the equation ...

Math
Geometric series: n= infinity sign a1=5 r= -1/4 The equation 5(-1/4)^i-1

Math
Find the coefficient of x^4y^3 in the expansion of (x+2y)^7

Math
Geometric series: Finite and infinite n=5 a1=243 r=2/3 i=1 This is the equation 243(2/3)^i My answer is 633 n=infinity sign a1=5 r=-1/4 i=1 The equation 5(-1/4)^i-1 I think its undefined

Math
Where did 792 come from ? Also, thank you for helping me

Math
Find the coefficient of x^5y^7 in the expansion of (5x+2y)^12 12 (x)^5 (2y)^7 3 My answer which i got wrong is 220x^5(128y^7)= 28160x^5y^7

Math
What is a8 ? Could it possibly be -31. Do i plug in 8 for the equation an=1-4n

Math
Arithmetic sequences Find a8 and an for the sequence: -3, -7,-11

Math
Write out the first five terms of the sequence an=3(4n-1)

History
When LBJ goes to war. During the vietnam war

History
Why was Defense secretary McNamara Gloomy ?

English
I need help finding three more Nonfiction signposts from the book called " bird by bird " by Anne Lamott.

Math
Find a1 and r for the geometric sequence: a4= -1/4 and a9= -1/28

Math
find a5 and an for the geometric sequence: a1=8 and r= -5

Social Studies
12. What is one cost that victory in the cold war brought to the united states?

Math
Arithmetic sequence: For a8 and an for the sequence: -3,-7,-11 My answer a8=33

Math
write the first five terms of a sequence where the first term is 8 and the common difference is 6. My answer: 8,14,20,26,32

Math
Solve by substitution: 2x= -y+3 5x-y=11

History
Was the U.S. successful in stopping the spread of communism in Europe prior to 1950?

Math
Evaluate the determinant of each matrix -3 2 -3 0 -1 -1 3 0 -3 My answer is -36 The correct answer is -24 but I don't understand how they got the answer.

Math
Find the inverse for the following matrices: 2 and -4 is on top 6 and 3 is on bottom My answer is 90 120 -180 60

Math
Two complementary angles have measures of s and t. If t is less than twice s, which system of linear equations can be used to determine the measure of each angle?

Math
Shania bought a new computer for 1,550 from computer 'r' us. If the value of the computer depreciates at a rate of 5.35%per year, when will the value of the computer reach 825 ?

Math
The amount of radiocarbon present after t years is given by y=ae^-.0001216t . find the half live of 14

Math
If current trends of burning fossil fuels and deforestation continue, then future amounts of atmospheric carbon dioxide in parts per million (ppm) will increase exponentially. In the year of 1990, there was 353 ppm. A)In the year of 2000, there was 375 ppm of carbon dioxide, ...

Math
Solve the missing variable e^(x+6)+5=1

Math
During an epidemic, the number of people who have never had the disease and who are not immune (they are susceptible) decreases exponentially according to the function where t is time in days. f(t)=15,000e^-.05t Determine how long it will take for the initial number of people ...

Math
Solve for the missing variable. 4^x =2 Example: 3^2n+1 = 3^4 Cross out both the threes 2n+1 =4 Subtract 1 2n=3 n=3/2

English
Take a position that explains if, and to what degree, modern American culture is an outgrowth of the philosophies of the Founding Fathers. I agree that American culture is an outgrowth of the philosphies of the founding fathers. I have one reason and that is redemptive ...

anatomy
describe in detail how a lack of calcium ions would affect muscle contraction.

Anatomy
What consequence would an over abundance of acetylcholine have both overall and at the molecular level of the muscle?

Math
Graph the following polynomial. f(x)=(x+3)^2(x-2)^2(x+5) How would i graph ? f(x)=(x+5)

Math
Divide into intervals and evaluate to find the max/min. f(x)= -(x-1)^2(x+4) I pick -2 -(-2-1)^2(-2+4)=-18 Is that the correct answer

math
Oceanographers use a quantity known as shoreline development to describe and categorize bodies of water. Shoreline development, D, measures how closely a body of water resembles a circle. Its formula is: where L is the shoreline length and A is the area of the body of water. ...

English
Express how the device below and structure helps acheive the purpose of chapter 4. The book is called Narrative Of The Life Of Fredrick Douglass. I just need to write a paragraph. given: brutality of slavery device: diction and structure All i know is for diction Douglass ...

Math
Describe how you use your calculator to find the exact zeros of a function.

English
What is the impact of the anaphora used in the list of grievances? (i.e the repetition of "he has". The text is call "In congress, July 4,1776" .

Math
Tylenol 3 has 16 mg of Codeine per 11 ml of liquid. A safe dose of Codeine is 4.8 mg/Kg/Day. A patient who weighs 215 pounds needs a Tylenol 3 prescription. There are 2.2 pounds for every 1 kilogram. How many kilograms is this person's mass? How many milligrams of Codeine ...

Math
There is an error in the student work shown below: Question: Divide (x^3-8)/(x-2) The student did long division and the got x^2 remainder -6+2x^2

Math
Example: 4x^2+8x-3 Y=4(x^2+8x+1)^2-3-4 Y=4(x+1)^2-7 Vertex:(-1,-7)

Math
Find the vertex H(x)= -3x^2+24x-46

English
government policy making I forgot a word I dont know what side to be on and dont know what my three points would be. I did search the question up and read other peoples work. But, i am still unsure and need help please. Also, i should mention I'm reading The Scarlet Letter...

English
Explain to what extent religion does or does not belong as part of government policy. Three reasons

Math
Identify the vertex y=|x-2|+1 y=-|x+5|+4 My answers 1.(2,1) 2.(5,4)

Math
Write an equation that is parallel to the line y=-2x+4

English
I think the tone is threatening because the author uses words such as "devil is waiting" and "hell". I dont know if theres more

English
Line*

English
How does this lind help create the tone ? "The devil is waiting for them,hell is gaping for them, the flames gather and flash about them, and would fain lay hold on them, and swallow them up"

English
Why dost thou smile so at me?” inquired Hester, troubled at the expression of his eyes. “Art thou like the Black Man that haunts the forest round about us? Hast thou enticed me into a bond that will prove the ruin of my soul? The black man,haunts,and ruin soul is ...

English
I know he uses diction

English
i already did

English
Identify and explain a rhetorical strategy used by hawthorne in order to build tension between Chillingworth and Prynne in chapter 4 of the scarlet letter. His choice of words represent suspense between the two. I don't know

Math
Find each function value. h(x) = x^2 - 8x + 1 h(-1) plug in My answer is 8. The correct answer is 10 ? I don't how the answer is 10

English
Chapter 2 of the scarlet letter What does this tell you about the puritan people? "there appeared, in the first place, like a black shadow emerging into the sunshine, the grim and grisly presence of the town-beadle, with a sword by his side and his staff of office in his ...

English
The scarlet letter "dark and abundant hair, so glossy that it threw off the sunshine with a gleam" "her beauty shone out, and made a halo of the misfortune and ignominy in which she was enveloped." Fine at least 2 phrases that describe the physical nature ...

Math
-5+?-50/10 Solve

Math
myriam compared the y-intercept of the graph of the function f (x) = 3x + 5 to the y-intercept of the graph of hte linear function that includes the points in the table below. What is the difference when the y-intercept of f (x) is subtracted from the y-intercept of G (x)?

Math
Solving inequalities (x+3)/2 greater than equal to (2-x)/-2

Math
Solving inequalities |1-15x/5| < 3

Math
The square root of 1 less than twice a number is equal to 2 less than the number.Find the number.

Math
Solve for each equation 3/x^2+x-2 - 1/x^2-1= 7/2x^2+6x+4

Math
I did so does x not equal -3,1,-3, and 1

Math
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve. 2/x+3 - 5/x-1= -5/x^2+2x-3

Math
Decide what values of the variable cannot possibly be solutions for each equation. Do not solve. 2x/x+1 + 3/5x+5=0

Math
If 4<x<7, what is the range of 2x+3 ? A) 5<x<11 B)7<x<10 C)8<x<14 D)11<x<17

Math
Solve: 6-i/i

Math
Complex numbers 5i+7i x i

Math
Finding the common denominator x+2/x^2-49 + 3/x+7

Math
Dividing complex numbers 4-2i/3+1

Math
Dividing complex numbers 7-13i/2i

American Government
I think you're correct. I just did the lesson.

English
How does American patriotism value freedom of speech ?

Physics
A missile is fired with a launch velocity of 15000 ft/s at a target 1200 miles away. At what angle must it be fired to hit the target? how long after it is fired will the target be hit?

Chemistry
The efficacy of certain drugs is affected by pH. Many drugs are absorbed into the blood through cells lining the stomach or the small intestine by direct diffusion across the plasma membrane. Since the interior of the plasma membrane is hydrophobic, uncharged molecules cross ...

chemistry
Bicine is an amino acid, but not a building block of proteins. Rather, it is a reagent commonly used in the biochemistry laboratory. Bicine contains two ionizable groups: tertiary amine (pKa 8.3) and carboxyl (pKa 2.3) a. For each of the ionizable groups in bicine, draw its HA...

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