# Posts by Aria

Total # Posts: 317

**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...