# Posts by Jenny

Total # Posts: 1,599

**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. ...

**Business**

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

**Business**

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

**Business**

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

**Business**

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

**Business**

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 ...

**Business**

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

**Business**

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

**Business**

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

**5th grad math cubic units**

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?

**5th grad math**

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?

**5th grad math**

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 ...

**8th grade**

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 ...

**7th grade math**

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?

**business statistics**

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...

**business statistics**

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

**Social Studies for 7th grade**

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?

**9th grade**

Explain what is meant by the "dual nature" of light

**elementary algebra**

4x^2-45x+50=0

**Biology- Human Karyotyping**

Could someone help me find 2 disorders that are the result of non-disjunction. I already have down syndrome, klinefelter syndrome, Turners Syndrome, Super Males, Triple X syndrome, Edward's syndrome and Patau's syndrome. Thanks in Advance

**Macbeth help again please**

Thanks so much for the in-depth explanations bobpursley & Writeacher! It helped me a lot.

**Macbeth help again please**

hi there, in Act 1 Scene 6, Duncan says" See, see, our honored hostess! The love that follows us sometime is our trouble, Which still we thank as love. Herein I teach you How you shall bid God 'ild us for your pains, And thank us for your trouble. " He groups ...

**Macbeth**

Also, I have another question to ask. Our instructor gave us an outline to follow on how to write the intro paragraph. It was: 1) linkage to real life 2)Connection to the play 3)thesis 4)Purpose 5)Plan. My question is that, does the "linkage to real life" have to ...

**Macbeth**

I have researched the historical events based on the book, but in the paper we would have to use evidence found in the book, and not the historical events. I can only think of one strong argument relating to this.. so currently I'm stuck.

**Macbeth**

Hi there. I have to write a paper on why some people believe that Lady Macbeth could be Duncan's daughter. I don't need help in writing it, I just want to know reasons why that could be true. I believe one of them is because Lady Macbeth knew that she could not be ...

**living enviorment**

what happens if a endocrine gland results to a excesss?

**chem**

A 3.48 gram sample of sodium sulfate hydrate lost 1.35 gram of water when heated to constant weight. What is the formula of the hydrate? this is what I did, but I am stuck. Na2SO4 . H2O------> NA2SO4+H20

**11th grade Chemistry**

Thats how its on the paper !

**11th grade Chemistry**

[mole-mole] How many moles of NaOH are needed to react with 5.0 moles of sulfuric acid, H2SO4??? Equation: H2SO4 + 2 NaOH ---> Na2 SO4 +2 H2 O

**Bio**

I have a question about genetic drift...wat is it actually...the book said that it random change in allele frequency but how does that happen??? and wats a founder effect?

**Science Bio**

thanks so much for explaining!

**Science Bio**

Hi there, I have a quick question which I'm really stumped on. 1. When combined with Lugol's solution (iodine), does glucose and sucrose contain starch? I think glucose has starch but not sucrose. Is this right?

**Science/Physics**

HOPE THIS IS BETTER John Loads A Collapsed Inflatable Boat Into A Two-wheel "grocery Type" Handcart and wheels it down the lake. (A) while the cart is being wheeled it is tipped at about a 45-degree angle (in other words, about halfway between horizontal and vertical...

**Science**

You Are Out In The Woods And You Need To Move A Boulder That Is In The Way, You Happen To Have A Long 2-by-4 Board With You And You Decide To Use It As A Lever. You Find A Rock To Act As A Fulcrum. Which Of The Following Would Be A Good Thing To Try? I believe the answer is A ...

**Science**

John Loads A Collapsed Inflatable Boat Into A Two-wheel "grocery Type" Handcart. He Used An 8 Foot Long Board To Lengthen The Underside Of The Cart, The End Of The Board Serves As A New Extended Handle For His Cart.Now When He Goes To Pull His Longer Cart, He Is ...

**Science**

Lever, You Find A Smaller Rock, Use As A Fulcrum, You Place It A Meter From Boulder. What Works? """I choose A"""" A)move the fulcrum rock closer to the boulder b)move the fulcrum rock farther from the boulder c) try using the board without a...

**Science/Physics**

So the answer is B

**Science/Physics**

Which Is A True StateMent? When comparing the force that is required to climb a mountain by walking up a trail that slopes gently upward to the top, versus getting there by scaling asheer vertical cliff face, """"I believe it would be D"""&...

**Physics**

When Using A Graph To Solve A Problem About How Far A Car Traveled During Specified Time During Which It Was Accelerating, How Many Area Calculations Do You Have To Make? What Is/are The Shape/shapes You Are Calculating? ( I believe the answer is D) A. One area calculation, a...

**8th Grade Algebra**

These are extra credit questions, and I just want to know how to solve them. 1) The sum of two-digits of a two digit number is 14. If the number represented by reversing the digits is subtracted from the original number, the result is 18. What us the orinal number? 2) If 27 is...

**science**

Which One Is The Right Answer? A Coulomb Is A Measure Of _____ Whereas An Ampere Is A Measure Of _____ ? I think the answers is A A.) Quantity & Rate --- B.) Rate & Quantity --- C.) Voltage & Resistance --- D.) Quality & Quantity

**science**

The Main Purpose Of The Grounding Pin In A Three-pong Plug For An Appliance Is To __? What's The Main Purpose Is? i believe the aswer is c a. boost the current flow to the appliance b. prevent short cicuits c. prevent electrical shocks