Saturday

January 31, 2015

January 31, 2015

Total # Posts: 4,578

**algebra 1**

thx
*January 14, 2015*

**algebra 1**

√625x^4z^8y^2 I don't need to solve it, just simplify it Thanks
*January 14, 2015*

**physics**

Shawn and his bike have a total mass of 51.1 kg. Shawn rides his bike 1.7 km in 10.7 min at a constant velocity. The acceleration of gravity is 9.8 m/s squared. What is Shawn’s kinetic energy? Answer in units of J.
*January 11, 2015*

**Physics**

Suppose the position of an object at time t is (6 + 5t, 2t2, 7t − 5t3). (a) What is the instantaneous velocity at time t? (b) What is the acceleration at time t? (c) What is the instantaneous velocity at time t = 0? (d) What is the acceleration at time t = 0? I know that...
*January 7, 2015*

**phySICS NEED HELP ASAP**

Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s. calculate sallys total displacement? which i did and got 200 cm Displacement during the 5th second? can you please help and show all work
*January 6, 2015*

**Math**

4. Your employer has 600 business cards printed for you, and you give away 280 of them. To the nearest hundredth, what percent of the cards is left? A. 18.75% B. 53.33% C. 46.67% D. 21.43% I think it is B or C?
*January 6, 2015*

**Science**

What is an example of population. A. all the animals in a forest B. All the trees in a forest C. All the maple trees in a forest D. all the weeds in a forest Please help!!!
*January 2, 2015*

**Math**

A bag contains 33 balls: 10 blue 11 red and 12 green If a person will select balls at random from the bag without replacement, what is the minimum number of balls needed to be selected in order to be sure that the balls selected include 3 balls of the same color
*December 26, 2014*

**STAT- important**

What is the difference between normal distribution and approximate normally. Correct me if im wrong but I think the parameters of Normal is X~Normal (mu, standard deviation) but then approx. normal is X~Normal (mu, variation) im just really confused when you use each and such.
*December 18, 2014*

**Statistics**

What is the difference between normal distribution and approximate normally. Correct me if im wrong but I think the parameters of Normal is X~Normal (mu, standard deviation) but then approx. normal is X~Normal (mu, variation) im just really confused when you use each and such.
*December 18, 2014*

**AP Calculus**

The management of a large store has 1600 feet of fencing to fence in a rectangular storage yard using the building as one side of the yard. If the fencing is used for the remaining 3 sides, find the area of the largest yard possible.
*December 14, 2014*

**question**

huh choice?
*December 14, 2014*

**question**

how can i write an intro about fate vs free will ??
*December 14, 2014*

**sarah**

so.. fate is by chance not choice??
*December 14, 2014*

**English - The Round House**

Joe Coutts narrates the The Round House as an adult, but its events take place when he is thirteen. Give one (1) example in The Round House in which Joe comments directly on the distance between his former thirteen-year-old self and the adult who tells the story. Thanks!!
*December 13, 2014*

**English**

same
*December 10, 2014*

**Algebra**

C. –4x4y6 -12 divide by 3 is -4 and when dividing exponents, it will be subtracted, e.g. y^8 divided by y^2 is y^6 Good luck :)
*December 10, 2014*

**Algebra 2**

repeat the equation again, is it f(x) = -2x^2 = 6x + 10
*December 10, 2014*

**Biology**

I'm sorry # 2, is mugwort
*December 10, 2014*

**Biology**

Different types of plants may be angiosperms, vascular seed, vascular non-seed, or non-vascularplants 1) Short grass meadow----I def. know it's not an angiosperm but can it be vascular non-seed 2) Magwort---im debating if it's non-vascular 3) Chokeberry -- def not an ...
*December 10, 2014*

**Math**

1) C = 5/9, plug that in for C and obtain degrees Fahrenheit 2) 77 Farenheit Formula --> F = 9/5 (C+32 This is easy, check the website for this math--about--com. You can easily check this on google for reliable math websites
*December 10, 2014*

**Biology quick question **

What is the method of nitrogenous waste removal for the following & choose between ammonia, urea or uric acid Tunicates Fishes Amphibians Reptiles Birds Mammals I think tunicates are urea and fishes are ammonia? But please help because I'm not sure and I don't know ...
*December 10, 2014*

**Biology quick help**

What is the method of nitrogenous waste removal for the following & choose between ammonia, urea or uric acid Tunicates Fishes Amphibians Reptiles Birds Mammals I think tunicates are urea and fishes are ammonia? But please help because I'm not sure and I don't know the...
*December 10, 2014*

**Math**

So the points would be -1,-2,1,2?
*December 9, 2014*

**Math**

Consider the function y = 3x5 – 25x3 + 60x + 1. Find the critical points of this function. So I got 1 and 2 as the critical points..but I feel like I did something wrong, is this right?
*December 9, 2014*

**language arts**

Same, connections academy
*December 9, 2014*

**APCalculus**

Thank you
*December 8, 2014*

**APCalculus**

For the function y=2sin(x)-cos^2(x) on [0, 2pi] find the following: Domain x and y intercepts Vertical asymptotes Horizontal asymptotes Symmetry F'(x) Critical numbers Increasing f(x) Decreasing f(x) Extrema F"(x) Possible points of inflection Concave up Concave down ...
*December 8, 2014*

**APCalculus**

For the function y=4-2x^2+1/6x^4 find the following: Domain x and y intercepts Vertical asymptotes Horizontal asymptotes Symmetry F'(x) Critical numbers Increasing f(x) Decreasing f(x) Extrema F"(x) Possible points of inflection Concave up Concave down Points of ...
*December 8, 2014*

**Math.**

-18/81 in lowest terms is -2/9 5/12 in lowest form is 5/12 16/24 in lowest terms is 2/3
*December 8, 2014*

**Math.**

5/8 is not equivalent to 16/24
*December 8, 2014*

**AP Calculus**

I figured out some more I think Vertical asymptotes: none Horizontal asymptotes: none Extrema: relative maximum f(0)=4, relative minimums f(-sqrt2)=-2 and f(sqrt2)=-2 Would I need absolute extrema? There aren't any end points.
*December 8, 2014*

**AP Calculus**

For the function y=4-2x^2+1/6x^4 find the following: Domain x and y intercepts Vertical asymptotes Horizontal asymptotes Symmetry F'(x) Critical numbers Increasing f(x) Decreasing f(x) Extrema F"(x) Possible points of inflection Concave up Concave down Points of ...
*December 8, 2014*

**chemistry**

Most alcohols are very safe to ingest. True or False
*December 6, 2014*

**Chemistry**

As the number of carbons increases, the boiling point of alkanes decrease True or False
*December 6, 2014*

**Chemistry**

Excited state electrons lose energy when they move to the ground state.
*December 6, 2014*

**Physics**

A projectile is shot straight up from the earth's surface at a speed of 1.20 x 104 km/hr. How high does it go?
*December 5, 2014*

**Probability MATH**

can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...
*December 2, 2014*

**Math - Probability**

19. On the 24th of December for the past 10 years it has snowed eight times. What is the chance for snow this next December 24? 20. Congressman X is up for his 6th term. Thus far in five elections he has won by 58,56,62,70, and 54 percent. On this basis of past record, with no...
*December 2, 2014*

**math**

JT has 132 tokens. He gives kay 1/8 of his tokens. He gives Charlie 3/4 of his tokens and he keeps the rest. How many tokens does each person get?
*December 2, 2014*

**THEOLOGY 10 HELP!!**

What aspects of Jesus' identity and mission do YOU find most MYSTERIOUS? And Why?
*December 2, 2014*

**THEOLOGY 10 HELP!!**

Why?
*December 2, 2014*

**THEOLOGY 10 HELP!!**

My teacher told me to do this.
*December 2, 2014*

**THEOLOGY 10 HELP!!**

What aspects of Jesus' identity and mission do YOU find most challenging? This is not for me to ask. I'll really appreciate if you answer my question. REMEMBER this is for YOU to answer.
*December 2, 2014*

**Anatomy and Phys**

Muscle spindles are supplied by: A. Alpha motor neuron B. Beta motor neuron C. Gamma motor neuron D. Extrafusal motor neuron E. None of the above
*December 2, 2014*

**math**

Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of the corners of the cube. Write an expression that describes the remaining volume of butter.
*December 2, 2014*

**chemistry**

Although no currently known elements contain electron in g orbitals in the ground state, it is possible that these elements will be found or that electrons in excited states or known elements could be in g orbitals. For g orbitals, the value of L(lowercase) is 4. What is the ...
*December 1, 2014*

**physics**

Melaine, Kristin, and Elizabeth's 0.39kg batman is accelerated across a frictionless fishing line from rest to a speed of 15m/s in 1.5 m. How much power is exerted on "Batman"?
*December 1, 2014*

**Chemistry **

Consider the following equation: 4B(s) + 3O2 (g) → 2B2O3 (s) ΔH = - 2509.1 kJ How much heat (in kJ) is transferred when 989 mg of B2O3 (s) is formed?
*December 1, 2014*

**Calculus...help**

The projected public spending by the British government for the years 2010-2011 (t = 0) through 2014-2015 (t = 4) is 692 billion pounds/year. The projected public revenue for the same period is f(t) = 292.6t + 134.4 / t + 6.9 + 500 billion pounds (0 ge t ge 4). Find the ...
*December 1, 2014*

**AP Calculus **

For which of these functions f(x) does limit as x approaches negative infinity f(x)=2 A. (x-2)/(3x-5) B. 2x/sqrt(x-2) C. (2x^2-6x+1)/(1+x^2) D. (2x-1)/(x^2+1) E. None of these
*November 30, 2014*

**AP Calculus**

Find the derivative for f(x)=-x^2+x Do I put -x^2 on the denominator? How would I solve it if that's the case?
*November 30, 2014*

**AP Calculus**

Would the points be (0,-2) and -2, 18) when I plug them into f(x)?
*November 30, 2014*

**AP Calculus**

Find all points on the graph of f(x)=-x^3+3x^2-2 where there is a horizontal tangent line.
*November 30, 2014*

**AP Calculus**

Let f(7)=0, f'(7)=14, g(7)=1, g'(7)=1/7. Find h'(7) if h(x)=f(x)/g(x)
*November 30, 2014*

**math calculus**

convert these symmetric equations to parametric form: line 1:(x-1)/k = (y-2)/2 = (z+1)/k-1 and line 2: (x+3)/-2 = (z)/1, y=-1
*November 29, 2014*

**math calculus**

For the function: f(x)= 2+x-x^2/ (x-1)^2 ; f'(x)= x-5/(x-1)^3 ; f''(x)=2x-14/(x-1)^4 a)find vertical and horizontal asymptotes. Examine vertical asymptote on either side of discontinuity. b)find any local extrema c)find points of inflection
*November 29, 2014*

**Math**

A Sony 55" television set is selling for $1,499.99 with a savings of $1,500.00. Calculate the percent markdown after rebate for the product
*November 26, 2014*

**calculus**

thanks!
*November 24, 2014*

**calculus**

A) Determine the vector equation of the plane that contains the following two lines: l1: vector r= [4,-3,5] + t[2,0,3], tER l2: vector r= [4,-3,5] + s[5,1,-1], sER b)Determine the corresponding Cartesian equation.
*November 24, 2014*

**math**

great, thank you!
*November 24, 2014*

**math calculus**

oh nevermind I get the same answer either way, thanks everyone
*November 24, 2014*

**Earth Science**

Describe the difference in evolution between a supercell that develops in an environment with unidirectional wind shear and a supercell that develops in an environment with veering winds. What is causing this difference in evolution? THANKS!!
*November 24, 2014*

**Theology 10 - HELP!**

Yeah I was referring to the Divine (God) intervenes in human life in that way.
*November 23, 2014*

**Theology 10 - HELP!**

More then one teacher has to answer this question. I already asked my family members and friends.
*November 23, 2014*

**Theology 10 - HELP!**

Do you think miracles happen today? Why? I have to asked someone this question so this is not a question for me to answer. I'll really appreciate if you answer my question and explain why.
*November 23, 2014*

**Math**

h(x) = log (6x+5/7x-4) Find a formula for the inverse function h^-1(x) h^-1(x) = My work so far h(x) = log(6x+5/7x-4) y=log(6x+5/7x-4) x=log(6y+5/7y-4) 7xy-4x= log(6y+5) how would I solve from here. Would I solve for y then do the natural log of both sides or do the natural ...
*November 21, 2014*

**Math**

h(x)= 3x+2/7x-6 find the inverse of h^-1(x) h^-1(x) = ? Would I solve it like this h(x)= 3x+2/7x-6 7xy-6y=3x+2 (bring 7x-6 to other side) i got confused here. Would i try to bring the 6y over to the right and then the 3x+2 to the left to get Y by itself. then solve ?
*November 21, 2014*

**Earth Science - NEED HELP QUICK**

What is the thickness of the layer from 1000 - 850 mb if the mean temperature of the layer is 2 C? From what it says in my textbook it seems as if mb = hPa so all you do is 850 - 1000 = -150 hPa but I am pretty sure that is wrong because what do you do with the temperature?? ...
*November 21, 2014*

**O-Chem**

What stereoisomers would be created by the reaction of (Z)- stilbene with bromine?
*November 20, 2014*

**Earth Science**

Use angular momentum arguments to describe why a parcel of air moving from the equator towards the North Pole will be deflected to the east. It may be helpful to show equations in your response. THANKS
*November 20, 2014*

**English**

17. How is a compound sentence formed? A. By joining a simple sentence with a dependent clause B. By joining two simple sentences with a comma and a coordinate conjunction C. By joining two independent clauses and one dependent clause D. By joining a dependent and independent ...
*November 20, 2014*

**Biology**

Lilac is a flowering-plant, i do believe it's an angiosperm, it has angiosperm leaves Type in syringa vascular in google and go to deanza college website
*November 20, 2014*

**Mrs.Sue**

20. In which of these sentences are quotation marks used incorrectly? A. "I could not believe she said, 'I never worry,'" Kate muttered. B. Raising her hand in warning, she said, "Be gone, you wicked spirit." C. "Neither a lender nor a borrower...
*November 20, 2014*

**Mrs.Sue**

16. The infinitive is the most versatile verb form because it can be used as A. a verb, an adverb, or a conjunction. B. a verb, an adjective, or a preposition. C. a verb, a noun, an adjective, or an adverb. D. a verb, a noun, an adverb, or an interjection. C?
*November 20, 2014*

**Mrs.Sue**

Ohh about that kid,I was worried for a second that something is going wrong.
*November 20, 2014*

**Mrs.Sue**

14. Which of the following statements is true? A. A phrase is a group of related words; a clause is not. B. A clause has a subject and a verb; a phrase does not. C. A phrase has a subject and a verb; a clause does not. D. A clause is a group of related words; a phrase is not. B?
*November 20, 2014*

**Mrs.Sue**

Ohh okay,phew.
*November 20, 2014*

**Mrs.Sue**

What ??????? Mrs.Sue I asked to check my answers on the first page towards the bottom.Why are you so mean I am crying right now!
*November 20, 2014*

**Mrs.Sue **

Could you please check my answers down below.
*November 20, 2014*

**English**

Thanks Brady you always help :)
*November 20, 2014*

**English**

14. Which of the following statements is true? A. A phrase is a group of related words; a clause is not. B. A clause has a subject and a verb; a phrase does not. C. A phrase has a subject and a verb; a clause does not. D. A clause is a group of related words; a phrase is not. C?
*November 20, 2014*

**English**

13. Which one of the following sentences is punctuated correctly? A. The sea, calmed, but no boats, left shore. B. The sea calmed but no boats left shore. C. The sea calmed; but no boats, left shore. D. The sea calmed, but no boats left shore. D? After this post I will start a...
*November 20, 2014*

**English**

11.D? 12.D?
*November 20, 2014*

**English**

11. How could you combine the following two sentences into a complex sentence with a dependent adjectival clause? The boy wore a green coat. He carried his sister home. A. The boy wore a green coat, and he carried his sister home. B. The boy wore a green coat; he carried his ...
*November 20, 2014*

**English**

11. How could you combine the following two sentences into a complex sentence with a dependent adjectival clause? The boy wore a green coat. He carried his sister home. A. The boy wore a green coat, and he carried his sister home. B. The boy wore a green coat; he carried his ...
*November 20, 2014*

**English**

9. Which sentence contains repetitious words that should be left out? A. The star was visible centuries ago. B. The bright star is visible. C. The bright star is visible to the eye. D. The star will soon disappear. C? 10. In which sentence are the italicized words a dependent ...
*November 20, 2014*

**English**

8. Which of the following is a run-on sentence? A. We like to take a walk after dinner. B. The house was owned by the mayor. C. Karen's uncle arrives tomorrow she wants to see him. D. Mike joined the army, and he became more disciplined during the training. C?
*November 20, 2014*

**English**

7. C?
*November 20, 2014*

**English**

7. Which sentence contains italicized words that are used as an infinitive phrase? A. Tom went there for some flour. B. Kelly went to the grocery store. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck. These words are italicized..... A.for some flour...
*November 20, 2014*

**Earth Science**

Use angular momentum arguments to describe why a parcel of air moving from the equator towards the North Pole will be deflected to the east. It may be helpful to show equations in your response.
*November 20, 2014*

**English**

Italicized words for # 5... A.Resting on the sea bottom B.Arriving ten minutes late C.Flying beneath the cloud D.Not knowing the danger
*November 20, 2014*

**English**

6. A split infinitive is an infinitive that A. is used as an adjective or a noun. B. is used without the word "to." C. must have a subject. D. has a word between "to" and the verb. 7. Which sentence contains italicized words that are used as an infinitive ...
*November 20, 2014*

**English**

Brady do you mind helping me with these 15 questions?
*November 20, 2014*

**English**

5. In which sentence are the italicized words a dangling modifier? (A dangling modifier is a phrase that has no word in the sentence to modify.) A. Resting on the sea bottom, the old trunk held many coins. B. Arriving ten minutes late, the store was closed for the night. C. ...
*November 20, 2014*

**English**

4. Which one of these sentences contains a prepositional phrase? A. Trolls live under bridges; elves do not. B. Where did you find the papers that I lost? C. You may think otherwise, but what I tell you is true. D. To be, or not to be: that is the question. I'm thinking A?
*November 20, 2014*

**Earth Science**

What two types of air masses collide to form a dry line? On which side of this boundary would you expect to see rising motion, and why?
*November 20, 2014*

**Chemistry**

C2H5NO2 + 2H2O → 2CO2 + NH3 + 3H2 You begin with 1.25 × 10-2 moles of glycine and an excess amount of water that will allow the reaction to proceed completely to products. This is all in a vessel with a volume of 850 mls at 27°C. Assume that the vessel begins ...
*November 19, 2014*

**Earth Science**

List 3 distinguishing features found near a frontal boundary. Thanks
*November 19, 2014*

**English**

12. Which sentence below contains a correctly used modifier in italics? A. The sauce tasted bitterly, and I couldn't swallow it. B. I feel goodly now that I'm over the flu. C. He spoke sharply to his sister. D. Joe looked sad at his broken bike. C? The italicized ...
*November 18, 2014*

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