# Posts by Jenny

Total # Posts: 1,619

I need help on how to factor a polynomial by grouping

Physics
15

calculus
Evaluate the indefinite integral: ((4/x^5)+(4/7x))dx

calculus
Evaluate the indefinite integral: (8e^x)dx

Math-Statistics
Suppose you want to test the claim that mean is not equal 3.5. Given a sample size of n = 45 and a level of significance of a = 0.10, when should you reject H0 ? A) Reject H0 if the standardized test statistic is greater than 1.96 or less than -1.96 B) Reject H0 if the ...

Problem Solving-Division
How can you check an answer of a quotient with a remainder? Use quotient, dividend, and divisor in your answer.

World* Geography
Thank you!

Wolrd Geography
Imagine this situation: Country A invades and conquers Country B. The resulting acculturation has negative effects. Country B's economy undergoes a dramatic change when the new government replaces capitalism with another form of economy. What are the most likely results of...

French
Complétez avec l’article défini ou indéfini qui convient. 1. Vous aimez __ou__ cinéma ? 2. Vous avez l’appartement ? 3. Vous connaissez __les__ enfants de Michel ? 4. Je voudrais __le__ morceau de pain. 5. Vous lisez ____ journaux ? 6. Il ...

MATH
what's the equation tho?

organic Chemistry
In my Organic chemistry lab, the calculated enantiomeric excess was over 100% . Is this possible? and If not, what sort of error could have been made? *the observed optical rotation was read correctly

Math
Bert is 11 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 4 kilometers per hour. They will meet in 2 hours. How fast is Brenda walking?

Algebra
1. n^3/n^5 2. (2b)^3(b^-4) 3. (mn)^2 ∙ n^4 4. 3a^5 ∙ 5a^-2 ∙ a^3 5. (x^3/xy^4) ∙ (y/x)^5 6. (a^-1)(b^2)/ab ∙ (a^2)(b^3)/b^-2

Who wrote this poem where a boy couldn't write a poem but instead he ended up writing one with all his excuses?

Math
What are the odds against getting all heads or all tails in three successive flips of a coin? I say it is 3:1, is this right?

logarithms

Math
6 feet 12 feet

there r 2 girls n one girl has \$.60 more then the other and together they total \$8.20. so u set up an equation 2x+.60=\$8.20. u first subtract 60 cent from both sides n that leave u with 2x=\$7.60. now u divide both sides by 2 to get how much each girl has n x= \$3.80. n finally ...

calculas
Consider the function f(x)x^4 -32x^2 +2, -3 < or = to x < or = to 9. This function has an absolute minimum value equal to ? and an absolute maximum value equal to ?

calculus
The linear approximation at x=0 to f(x)= sqrt (7+6x) is y=

calculas
The function f(x)= (8x-7)e^2x has one critical number. Find it

calculus
If f(x)=x^3. Yhe equation of the tangent line to f(x) at x=4 is y=? Using this, we find our approximation for 3.8^3 is ?

math115
u first distribute the -5 to the 3x n negative 4. so u get 6-15x+20=-49. u then combine 6 and 20 to get 26. so u get 26-15x=-49 then u subtra t 26 from buth sides and get: -15x=-75. then u divide -15 from both sides n x =5. hope this helped!!

Science,Ecology
What do iterlocking food chains make up?

Math
Solve the quadratic equation below. Show your work and check -4x^2 = 0

Chemistry
Which of the following is most likely to LOSE electrons when forming an ion? a. F b. P c. S d. Rh e. Se

Science
A biologist is studying the epithelial cells in a variety of plants and animals. She counts the chromosomes in the epithelial cells of several organisms and finds the following numbers: Organism A: 32 chromosomes Organism B: 26 chromosomes Organism C: 24 chromosomes Organism D...

calculus
Use implicit differentiation to find the slope of the tangent line to the curve (y/x+8y)=x^8 +9 at the point (1,10/-79).

math
Find an algebraic model for the sum of a number and its reciprocal. I have come up with y=x+ (1/x), although I was wondering if it would be correct to write it as y=x^2+1/x I am supposed to graph this, but when i graph both I get different graphs on my graphing calculator. ...

Tont has just come into a significant inheritance and decides to invest in stock in a solid, stable company. Which financial ratio is the most helpful in determining where he invests? a. Liquidity ratio b. Profitability ratio c. Leverage ratio d. Activity ratio

What type of accountant would collect information on a firm's transaction and use the information to prepare financial statements that companies use in decision making? a. Public accountant b. Management accountant c. Not-for-profit accountant d. Government accountant

Which one reflects the financial position of a company at any given time? a. equity b. statement of cash flows c. balance sheet d. profit and loss statement

The debts of a business are considered a. liabilities b. assets c. equity d. securities

Which of the following is true concerning the preparation of financial statements? a. The cost of goods sold is added to sales b.The cost of goods sold is deducted from sales c. The tax and interest are deducted before income profit is reported d. The gross profit is found by ...

Which one provide the necessary information to determine the liquidity of a company? a. Government agency b. Stockholders c. Contract negotiations d. Financial statements

Accounting transactions from source documents are recorded in a a. ledger b. cash flow statement c. journal d. profit and loss statement

Need help with Penn Foster exams number 50084300 and 50084400. Can somebody help me?

Thank you. So then: let's say you're looking at a 3 dimentional block of units: 4 blocks in length, 2 blocks with and 3 blocks high. The volume would be 24, what would the cubic units be? Wouldn't it be the same?

Let's say you're looking at a 3 dimentional block of units: 4 blocks in length, 2 blocks with and 3 blocks high. The volume would be 24, what would the cubic units be? Wouldn't it be the same?

what is the difference between cubic unit and volume? I know that volume is length X width X height but wouldn't the cubic units come out to the same answer?

Math
What is the measure of the dent angle for a star-shaped polygon with 8 points and a point angle of 20°?

Math
Determine if the given regular figures form semiregular tessellations. Triangle, decagon, 15-gon? Yes or No

Math
Which figure if any, is topologically equivalent to a sponge? Pencil, Pipe, or Trophy and Why?

Math
When two balanced dice are rolled, 36 equally likely outcomes are possible. What are the odds of getting a 5 or 6?

math
The sum of my digits is the same as the product of my digits who am I?

math
The product of my digits is 10. I'm an even number who am I?

math
My digits are the same. Their sum is 3 less than their products. Who am I?

Math
To find the length of the longer leg of a 30°–60°–90° triangle, multiply the length of the shorter leg by _______. To find the length of the shorter leg of a 30°– 60°– 90° triangle, multiply the length of the longer leg by _______.

Physics
A 5 N force directed to the west acts on an object for 2.0 seconds. What is the change in momentum of the oject? Would it be 5 X 2?

Chemistry
What is the mass of 7.817 × 1023 atoms Ag?

Math
Two dice are rolled. Find the odds that the score on the dice is either 10 or at most 5

Math
A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line to shoot two free throws. What are the odds in favor of her making her first shot?

Physics
he weight of an astronaut on the moon is 127 N, where the value of 'g' is only 1.7 m/s2. What would the weight of this astronaut be on the Earth (in N)? I don't know if my attempt is rite? 127n/1.5ms^2 74.70N Divide 74.70N with earth value of G. What is the earths ...

Can you help me solve this equation. 6n-(-2n)+8

physics
Four 6.0 spheres are located at the corners of square of side 0.7m. calculate the magnitude and the direction of the total force exerted on one sphere by the other three.

Physics
I not sure if this can be answered =-(

Physics
The Russell Traction System To immobilize a fractured femur (the thigh bone), doctors often utilize the Russell traction system illustrated in the figure. Notice that one force is applied directly to the knee, F_1,while two other forces, F_2 and F_3 are applied to the foot. ...

chemistry
How many valence electrons are there in BrF3?

chemistry
and wouldn't the last one remain unchanged since it was at the end of the experiment and wouldn't affect it?

chemistry
I know, and i'm sorry. I am having a lot of trouble with these ones. I thought for the second one. it would cause a higher molarity since the pH was lower, but i'm still not sure

chemistry
So i had trouble finding the answers to these questions on a lab: Background: If we were using a burret/flask instead of a pipette and well plates. Before you started, the buret must be rinsed with 1 ml of distilled water and then 1 ml of NaOH solution. The flask would also be...

Algebra 2
What is the slope of a line perpendicular to y=2/3x-7? What is the slope of a line parallel to y=2/3x-7?

socials
Hi. I'm a new socials tutor and I gave this question to my student and I myself am not sure about the answer can you please send me the correct answers by Saturday night because the next time I am teaching her again on Sunday

math
yes it is right

psychology
Present a situation in which you acted or reacted ‘mindlessly’ (see web links below), rather than thoughtfully, and which did not turn out well for you. Using the critical thinking concepts discussed in Chapter 1 and concepts of Chapter 8 and/or from the internet, ...

grammar
I have an example of a sentence I need help with: "I am passionately in love with someone who does not know I exist." I think 'I, and who' are pronouns. I think 'am, love' are adjectives. I think 'in and with' are prepositions. I think '...

psychology
describe neurotransmitters in terms of what they are, their general function within the body, and their impact on behavior. discuss the connection between neurons and neurotransmitters. pick two neurotransmitters and discuss their general functions in our bodies. also discuss ...

try a calculator

Geometry
ok thank you u r a lifesaver

Geometry
(3.14)(4.2)=13.188 would I round that to 13.19?

Geometry
No wonder I kept getting a weird answer thank you for clarifying for me...

Geometry
Find the circumference of a circle whose diameter is 2xR=4.2 ft. Use Pi = 3.14, and round the result to the nearest tenth. would this be 3.14*2*4.2ft?

Geometry
would this be 3.14 x 2 x 4.2ft?

Geometry
Find the circumference of a circle whose diameter is 2xR=4.2 ft. Use Pi = 3.14, and round the result to the nearest tenth.

Math
Problem Solving question - place value and exponents. Are 10o and 2o equal? Why or Why not

Physics
A Canadian goose flew 845 km from Southern California to Oregon with an average speed of 28.0 m/s. How long, in hours, did it take the goose to make his journey?

literature
thanks!

literature
well for the first one i thought that maybe burden saw it raw and featurless because he wasn't expecting anything when he moved to nebraska and everything was so different from the city life. but antonia became such a big part of her life that he started admiring the ...

literature
i've already read those sites but mostly i don't understand what the questions mean

literature
Just as My Àntonia’s setting is initially raw and featureless, its narrative at first seems haphazard: “I didn’t arrange or rearrange. I simply wrote down what of herself and myself and other people’s, Antonia’s name recalls to me. I suppose it ...

american literature
In My Antona, what does Jim lose in the process of growing up? Does Antonia lose it as well? At first I thought his youth and innocence but then it didn't seem right.

american literature
thanks for the site but it doesnt really help much. some of them just repeat the question

american literature
When Jim arrives in Nebraska, he sees “nothing but land: not a country at all, but the material out of which countries are made.” Yet at the novel’s end the landscape is differentiated. It has direction and color – red grass, blue sky, dun-shaded bluffs. We...

literature
we read my sister's keeper and one of the questions from our study guide talks about Campbell's dog, Judge in what ways do dogs introduce ideas about loyalty and instincts?

A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in the following table,Using the 0.025 level of significance in a one-tail test...

what null and alternative hypotheses would be appropriate for the one-way ANOVA to examine the data? Given the following data, what conclusion would be reached at the 0.05 level of significance? From the F distribution tables, what is the approximate p-valeu for this test? ...

geometry
what is the surface area of a sphere if the radius, r, is 6 meters

Compensation
I'm having a problem can't locate answer for this question: THIS CAUSE COMPENSATION SURVEY DATA TO BECOME ABSOLETE FAIRLY QUICKLY. a) the lag time between when the data was collected and used b) pay compression c) chane in the unemplment rate d) changes in the ...

Compensation
I 'm having a hard time finding answer for this question: can you please help?? In Compesation Surveys how are relevant labor markets defined : a) employment numbers, occupational classification, geography b) occupational classification, market competition, employemnt ...

AED200
AED 200 Multicultural Education Scenario The steps needed for a Multicultural Education in my classroom I must build a lesson plan around topics and concepts that should be taught and not activities. Choose activities that will explore my topics and concepts. Every student in ...

AED200
With what is stated here in my question how would you think the paper should be written. I did it as an outline because it stated to outline the steps required for a effective education. this is what I wrote do you feel I wrote it the wrong way? AED 200 Multicultural Education...

AED200
Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3 Native American ...

humanities
what effect do religious pluralism and interfaith movement will have on the future of organized religion

who was king first julius ceasar orromulous & remus

IPC
Explain whether the photons emitted by a bright light bulb are more energetic than those emitted by a dim light bulb of the same color. how does the color of the light bulb determine the amount of energy of the electromagnetic waves?