Posts by jake

Total # Posts: 2,288

word power
4. Someone who is urbane is A. tireless. B. poised. C. witty. [D. friendly.]

Science
New ring forms

word power
19. The treatment based on the theory of pressure on blood vessels and nerves is A. osteomyelitis. B. chiropody. [C. osteopathy.] D. psychotherapy.

word power
18. Which of the following sentences is grammatically correct? A. That field belongs to my wife and I. B. My brother Billy and me went to the movies. [C. Jerry handed the instructions to the boys and me.] D. Mother gave Jeff and I second helpings.

Calculus
find an equation of the line tangent to the equation at the given point. f(x)=5x^2 at x=10

math
3r/4=1/3 what is r please explain

Physics
Mary needs to row her boat across a 100m wide river that is flowing to the east at a speed of 1.0m/s. Mary can row with a speed of .0m/s a) If mary points her boat due north, how dar from her intended landing spot will she be when she reaches the opposite shore? B) What is her...

math
Tom has somee cubes that are two proudest cm on each side. How many of them will fit into a box that is a cube with each side four cm long?

word power
thank you for the help i got a 100 percent

word power
18. John and I are going to the store. Would you like to come along with [A. me and him?] B. I and him? C. him and I? D. him and me?

word power
17. Psyche, the Greek root of "psychology" and "psychosis" means A. diseased condition. [B. mind or spirit.] C. medical healing. D. mystical healing.

word power
14. Michael is entirely _______ in gambling. A. noninterested B. disinterested [C. uninterested] D. misinterested

word power
2. Which one of the following words has a negative connotation? [A. Pedagogue] B. Inoculate C. Ophthalmological D. Taxidermy

math
72-12=

math
What expression is a counterexample to the statement The whole numbers are closed under division 2 divided by 10th 10 divided by 2 Please explain to me which one is the correct

i don't understand this math
I just took this quiz. I'm in CCA 8th grade. And the answers are CDBC

math
Why did the cbicken add its opposite to itself? To get to the other side of the equation

Math
Find the volume of the solid generated by revolving the following region about the given axis The region in the first quadrant bounded above by the curve y=x^2, below by the x-axis and on the right by the line x=1, about the line x=-4

chemistry
How many atoms of lead are there in a river with 2.95x10-6mol of lead?

physics
5) After catching the ball, Sarah throws it back to Julie. The ball leaves Sarah's hand a distance 1.5 meters above the ground, and is moving with a speed of 22.0 m/s when it reaches a maximum height of 9.0 m above the ground. What is the speed of the ball when it leaves ...

Physics
A soccer ball is kicked with an initial horizontal velocity of 19.0 m/s and an initial vertical velocity of 14.0 m/s 6) How high above the ground is the ball 1.1 seconds after it is kicked?

algebra
The total toll charge for one car and five bicycles to cross a bridge is $7.50. The toll for a car is $1.50 more than for a bicycle. Find the cost for a car to cross the bridge.

math
Crazie is right! Got 100%

physics
MAGA

Accounting
Urquhart Corporation applies manufacturing overhead on the basis of direct labor-hours. At the beginning of the most recent year, the company based its predetermined overhead rate on total estimated overhead of $100,000 and 3,600 estimated direct labor-hours. Actual ...

physics
A car starts from rest and travels for 4.5 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.8 m/s2. The breaks are applied for 1.80 s.

Calculus
Owing to an innovative rural public health program, infant mortality in Senegal, West Africa, is being reduced at a rate of 10% per year. How long will it take for infant mortality to be reduced by 50%?

math
What are the 3 irrational #s and 3 not real numbers

chemistry
Conc hno3 is not given.

chemistry
How many milliliter of conc. HNO3 would be necessary to prepare 500ml of 20% of HNO3 solution?

Physics
A delivery truck travels 20 blocks north, 15 blocks east and 18 blocks south. What is its final displacement from the origin? Assume the blocks are equal length.

physics
A delivery truck travels 20 blocks north, 15 blocks east and 18 blocks south. What is its final displacement from the origin? Assume the blocks are equal length.

science
I need a sentence using the word cytoplasm and I'm in 5th grade.

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles

writing skills
20. A disadvantage of using a sentence outline instead of a topic outline is that a sentence outline is often A. rigid. B. factually grounded. C. underdeveloped. [D. time-consuming.]

writing skills
18. You need to write an essay about hot air ballooning. You know you've seen a good book on this topic, but you can't remember the name of the book or the name of the author. How could you most easily find this book in the library? A. Locate the author card for the ...

writing skills
17. What do we call an idea that will make the reader take notice and want to read on? A. Summary [B. Hook] C. Card D. Point of view

writing skills
15. The World Almanac is a book of A. living notable Americans. [B. facts and statistics.] C. synonyms. D. articles published in magazines

writing skills
14. Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. A. Describing people and writing conversation B. Doing interviews and browsing through books [C. Doing research and organizing your ideas] D...

writing skills
13. To make sure your reader remembers the point of your essay, which of the following is most important? A. The order in which you present your ideas B. Choosing an interesting subject [C. The ending] D. The introduction

writing skills
7. The best way to ensure parallel construction in your essay is to use similar A. paragraph lengths. [B. sentence structure throughout.] C. topic headings in your outline. D. details in each paragraph.

writing skills
6. Which of the following skills is most important in learning how to write? [A. Knowing how to plan before you write] B. Knowing proper grammar before you write C. Knowing proper punctuation before you write D. Knowing how to use the Readers' Guide before you write

writing skills
3. Reference librarians are specially trained to help you A. get a library card. B. sign out videotapes. C. create an outline. [D. research a topic.]

Literature
10 is a is found in its sensual descriptions.

chemistry
If the pH value was 3.6, what is the [H+]?

literature
b is the correct answer just took the pf test

phsyics
Bat is flying 5m/s while chasing an insect that is flying in the same direction. The bat emits 40kHz chirp and hears a 40.4kHz reflected sound wave. What is the speed of the insect? ??? lost

math
the area of a square is 8 square meters . what is the length of one side of the square? round to the nearest tenth if necessary.

math
there are 10 marbles in a bag: 1 blue, 4 yellow, 3 red, and 2 white. if you choose a marble at random, what is the probability that you will NOT choose white?

writing skills
b is the correct answer

writing skills
is it c then

writing skills
17. Which of the following sentences has a relative clause? A. Many young people are searching for jobs. B. The audience applauded the ambassador, who spoke for one-half hour. C. The bus stopped at the corner, but she forgot to get off. [D. Tony ate the pizza and then went to ...

writing skills
the correct answeer is c

writing skills
i decided that this is a

writing skills
is it d

writing skills
19. In which of the following sentences do you find a verb phrase? A. June was a collector of memorabilia. [B. The crowed roared as the bull charged]. C. I shall be all that I am and more. D. I believed every word he said.

writing skills
is it a

writing skills
18. Which of the following groups of words is a sentence fragment? A. When we stopped by the garden. [B. Stop by the garden.] C. Stopping by the garden, we saw that the flowers were in bloom. End of exam D. We stopped; she didn't.

writing skills
is it d

writing skills
17. Which of the following sentences has a relative clause? [A. Many young people are searching for jobs.] B. The audience applauded the ambassador, who spoke for one-half hour. C. The bus stopped at the corner, but she forgot to get off. D. Tony ate the pizza and then went to...

writing skills
16. What is the name of the common error in the following sentence? Having risen because of the rains, the hikers were unable to cross the river. A. Infinitive phrase B. Prepositional phrase [C. Dangling modifier] D. Run-on sentence

writing skills
15. Which sentence contains both an adverb and a conjunction? A. Don't imagine you can't do as you wish. B. Lucille was a kind person, but she hated people who spread rumors. C. Do you want the shrimp or the crab? [D. Lawson crept silently up the stairs, but couldn'...

writing skills
is it d

writing skills
14. Which of the following is the best opening sentence for a business letter that you want to sound fairly informal? A. Your order of February 10 arrived in our office today. [B. This letter is to make you cognizant of our receipt of your order.] C. I am in receipt of your ...

writing skills
is it c

writing skills
12. Which sentence contains a prepositional phrase? A. They tried, although they didn't expect to win. [B. Running all the way, he got there early.] C. With the proper help, they'll complete the project early. D. They sang it, and sang it again.

writing skills
is it a

writing skills
11. Which of the following is correct in regard to the use of formal English? A. In formal business correspondence, it's best keep the language impersonal. [B. Formal English is used more frequently in speaking than in writing.] C. In formal English, we use words to say ...

writing skills
is it d then

writing skills
An interjection is always A. preceded by preposition. B. followed by an exclamation point. [C. related to another word in the sentence.] D. intended to show feeling.

writing skills
9. Which one of the following sentences contains two ideas joined by a connecting word? A. Mike ran after the bus. B. Tina arrived at work earlier than usual. [C. Sally lives with her parents, although she could afford her own apartment.] D. Frank went fishing on Saturday he ...

writing skills
8. A clause from sentence (i) has been turned into a(n) _______ in sentence (ii). (i) Since she knew what the lecture was about, she didn't attend the meeting. (ii) Knowing what the lecture was about, she didn't attend the meeting. A. compound predicate B. infinitive C...

writing skills
6. Which of these is a run-on sentence? A. You and I and the whole team will go. [B. I thought about what he'd said soon I realized he was right.] C. I went home and ate and ate. D. Before lunch, I played volleyball; after lunch I did again.

writing skills
5. Which of the following is a complex sentence? A. I would like to visit the Kinshasa, but I understand the city is unsafe for foreigners. [B. As Jake was reading the letter from June yet again, the flight attendant coughed gently to get his attention.] C. Check out the ...

writing skills
4. Which of the following best illustrates a pair of sentences that are joined by an understood relationship? A. I don't understand a word you said. Have you taken a course in English literature? B. Luke put three dollars into the office football pool. He was looking ...

writing skills
3. Which of the following sentences has a compound predicate? A. She raced along the path to beat him to the beach. B. She placed the shells in a plastic bag while he dried himself off. [C. She washed the shells and dried them in the sun.] D. While he swam, she collected ...

Math
number 16. is 2/3 not 3/4

math
When he was 17 her sister was 34 so when he is 23 which is 6 years later her sister would be 34+6 which is 40 years old

Precalculus
Given sinx= -1/8 and tanx<0. find sin2x

Science
What is the pH of 115 mL of a 1.50 m solution of HNO2 that is titrated with a 1.50 M solution of LiOH at the equivelence point?

Chemistry
Ag2S is an insoluable black solid. Would more solid dissolve, or precipitate once the following are added to the solution. 1. KS-----I know [S] increases, shift to reactants side, precipitate 2. HClO 3. LiOH 4. NH4OH

math
Twenty people apply for seven jobs that are available at fly by night aircraft company 12 are men and the rest are women. How many seven person groups have exactly three men? How many of these seven person groups have exactly three men or three women?

math
Twenty people apply for seven jobs that are available at fly by night aircraft company In how many ways could such a group be composed? After the seven have been selected, in how many different ways could five of them be assigned to the assembly department?

Sci.
The boundary between 2 plates moving together is calle _______.

trig
write sin4xcos2 as the sum or difference of two functions. answers: 1/2(cos6x+cos2x), 1/2(cos2x-cos6x), 1/2(sin6x+sin2x), sin6x-sin2x

trig
find the angle between vector U=<2,3> and V=<1,-5> answers: 88 degrees, 45 degrees, 135 degrees, or 92 degrees...?

Chemistry
A solution of formic acid 0.20 M has a pH of 5.0. What is its Ka value? a) 5.0 x 10-10 b) 1.0 x 10-5 c) 5.0 x 10-5 d) 25

Chemistry
Mols benzoic acid = 12.2g/122.12g = 0.0999 Int. Concentration of Benzoic acid = 0.0999 mol/ 0.500L = 0.1998 M Ka = 6.3 x 10-5 = (x)(x)/0.1998 – x X = [H+] = * M pH = -log(*) = * Sorry, this question is just really confusing me..

Chemistry
Thanks so much, you're an awesome help.

Chemistry
Mols benzoic acid = 12.2g/122.12g = 0.0999 Int. Concentration of Benzoic acid = 0.0999 mol/ 0.500L = 0.1998 M Ka = 6.3 x 10-5 = (x)(x)/0.1998 – x X = [H+] = * M pH = -log(*) = * Sorry, this question is just really confusing me..

Chemistry
Calculate the pH of a solution prepared by dissolving 12.2 g of benzoic acid in enough water to produce a 500 mL solution. Ka = 6.3 x 10^-5

Chemistry
Can a solution of CrCl3 be stored in an aluminum container?

Chemistry
Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant properties. a) 2Cr + 3Sn2+ 2Cr3+ + 3Sn b) Al + Cr3+ Al3+ + Cr

Chemistry
Which pair of ions will be most likely to react at standard state conditions? 1. a) MnO4- and Sn2+ 2. b) Zn2+ and Cl- 3. c) I- and Cu 4. d) Fe3+ and Cu2+

Chemistry
If a piece of copper metal is dipped into a solution containing Cr3+ ions, what will happen? Explain with Ev values

Chemistry
Pb(NO3)2(aq) 2 x 10-3 M Na2SO4(aq) 2 x 10-3 M Pb(NO3)2(aq) + NaSO4(aq) → PbSO4(s)+ 2NaNO3(aq) a) What are the concentrations of each ion within this solution? b) If 1L of each solution is mixed; will a precipitate form? why?

Spanish-8th grade Help!
Thank you- I think what I put is right- I've rechecked it but it seems so odd the way I have it.I know it's a reflexive so maybe it is correct.

Soanish-8th grade Help!
I'm trying to conjugate this in the past tense tú/presentarse would I conjugate it in past tense like this- (tú te presentaste) Something looks wrong with it

math
what is the first step in solving the equation x/5 - 9=6?

Physics Help
So is there no shift? and if so why is that the case?

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