Sunday

February 26, 2017
Total # Posts: 2,660

**History**

Experts believe that most Native Americans died of diseases like smallpox, typhoid, or diphtheria in the first decades of contact with European settlers. Which statement best explains this phenomenon? Native Americans refused medical treatment from Europeans. Native Americans ...

*October 21, 2015*

**Earth Science**

:(

*October 21, 2015*

**Earth Science**

Please can someone check this I need help!

*October 21, 2015*

**Earth Science**

Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial mineral? sulfur ...

*October 21, 2015*

**History**

thoses were right?

*October 20, 2015*

**Physics**

A tennis ball is thrown up in the air. It stays there for 12.1 seconds how fast did you throw it?

*October 19, 2015*

**Physical Education**

Everything correct except #7. #7 is A

*October 19, 2015*

**Algebra**

these are right ^^

*October 19, 2015*

**Algebra**

For #4, sorry my bad, looks like I didn't double check my answer. For #3, thank you very much for the explanation, I understand now. But, in my class just today, the way someone did it was by dividing by 70, I should've asked why. Either way the answer is still 1/80. ...

*October 16, 2015*

**Algebra**

For #3 it was asking for per minute, how do I find for per minute ? #4 Yes, I got 1/9 for the quotient the multiplied by 2. I did that because it was asking for 2 teaspoons and I found the unit rate for only per teaspoon, so having the unit rate I multiplied it by 2. My ...

*October 16, 2015*

**Algebra**

This is not a question, but six problems with answers, so please review them. If I have any wrong then please explain how to do it step by the step for the answer and suggest any thing. Thank you tutors. Solve. 1. Sasha can mow 3/8 of an acre of grass in 45 minutes. How many ...

*October 16, 2015*

**Calc 3**

Let C be the intersection of x^2+y^2=16 and x+y+z=5. Find the curvature at (0,4,1). I don't know how to find the intersection between the given equations.

*October 15, 2015*

**Math**

Question: You are making balloon arrangements for a birthday party. There are 16 white balloons and 24 red balloons. Each arrangement must be identical. What is the greatest number of arrangements you can make using every balloon.

*October 10, 2015*

**Trig**

z^2 = 240^2 + 360^2 - 2(240)(360)cos60° z^2 = 100800 z = 317.5 Is this correct?

*October 9, 2015*

**Trig**

Having completed another stimulating school day, Michael and Alyssia both leave at the same time. They walk together for a while and then go their separate ways. These paths make a 60° angle with one another. Michael toddles along at 2ft/sec, while Alyssia speeds off at ...

*October 9, 2015*

**P.E.**

metabolism

*October 9, 2015*

**History**

The answer is D) Complete independence from Britain.

*October 9, 2015*

**History**

B) Lexington

*October 9, 2015*

**Science**

shayla is right

*October 7, 2015*

**Shalee ^~^**

thanks bruh! i got 100.

*October 7, 2015*

**math**

For 740 don't you add the 580 three times? Since each bus cost 580?

*October 2, 2015*

**math**

OH whoops. I got 740 for the buses, Im now confused haha.

*October 2, 2015*

**math**

Question: For the competition, each band member needs $12 for food. To get to the competition, the school rents 3 buses that cost $580 each. Write and evaluate an expression for the three costs. - Answer: (75/12) + (3/580) = - Key: A school band has 75 members. The band enters...

*October 2, 2015*

**math**

Aah. Thank you

*October 2, 2015*

**math**

Question: There is a $200 entrance fee for each band plus a $25 entrance fee for each drill team. The competition has a total of 32 bands and 25 drill teams. Write and evaluate an expression for the total amount of money collected from the entrance fees. - Answer: (200/32) + ...

*October 2, 2015*

**Chemistry**

An ice cube at -6 degrees Celsius increases temperature to 2 degrees celsius. If the ice cube absorbs 550 J of heat, what is the mass?

*September 28, 2015*

**calculus**

1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the x-axis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for -π/...

*September 28, 2015*

**Geometry**

no, in order for the sides to be parallel, same side interior angles should be supplementary... in your diagram, (50+37) + (50+37) = 174

*September 28, 2015*

**biology**

What does a chameleon do for the environment?

*September 27, 2015*

**english (not homework)**

thank you Ms. Sue !

*September 26, 2015*

**english (not homework)**

can i have a kid definition of contagion ? or maybe a simplified definition ? thank you, i can search it up, but i want to have definitions from other people too. thank you for sparing your time.

*September 26, 2015*

**social studies**

fair enough. i already searched that and i headed here for another option. thank you anyhow, tutor Reed.

*September 26, 2015*

**social studies**

how did You Chong, a Chinese bookkeeper for a grocer on Maunakea near Hotel St., contract plague ? please answer with your source(s) and maybe cite it please ? thank you very much tutors.

*September 26, 2015*

**algebra**

in the directions or instructions, it says to express the answer in fraction form, should i have just set the denominators as 1 then ? 2. my teacher said that it was miles per sec, but yes i agree with you. my bad, on a site i probably put in the wrong decimal when converting ...

*September 24, 2015*

**algebra**

please review the questions and table and check my answers. tank you tutors. table planets' orbital velocity planet orbital velocity (mi/s) mercury 29.74 venus 21.76 earth 18.5 mars 14.99 jupiter 8.12 saturn 6.02 uranus 4.23 solve. show your work. express the answer in ...

*September 24, 2015*

**Math**

Mixed Rationals: Solve these question in two or three steps: 879 + 47/22 4591 - 133/61 -1 + 17/13 -68 - 18/7 -1297 + 763/512 Thank you!

*September 23, 2015*

**Physics**

The velocities of sound in media P and Q are 300 meters/second and 350 meters/second respectively. If the difference in wavelength of the two waves in those media is 0.5 meters, what distance will the sound travel in 50 vibrations in the medium Q? The first answer I got was ...

*September 23, 2015*

**Mathematics (I really need help)**

The place value of 4 in 36.54 is how many times the place value of the 4 in 24.81?

*September 22, 2015*

**Precalc**

Identify all of the trig functions that fit each description: 1. Has a amplitude of 1 2. Is discontinuous at odd multiples of π/2 3. Is continuous at odd multiples of π/2 4. Has sin x as a denominator value 5. Is completely bounded 6. Has the exxact same value at &#...

*September 22, 2015*

**Bio**

How would I know when to use a mathematical model. How would I know when to use a conceptual model, computer model, and physical? Studying for a quiz :)

*September 21, 2015*

**Math**

From January 1, 2000 to December 31, 2004, First Bank paid 5% interest, compounded monthly. On January 1, 2005, they lowered their rate to 3% interest, compounded monthly. I deposited $100 at the end of each month beginning in January, 2000. How much did I have in my account ...

*September 21, 2015*

**Math**

Will someone explain how to do this Simplify the expression -10-7(n-3) I understand these, just not this one

*September 20, 2015*

**Math**

Will someone please explain to me how to simplify -10n - 6 + n - 5 And -6(n-9)

*September 20, 2015*

**chemistry**

atmospheric temperature changes the state of these things, but i do not know to what? diamond, mercury, oxygen, clay, neon, and cooking oil?

*September 18, 2015*

**trigonometry**

π/10 = (0.95, 0.31) 3π/10 = (3/5, 4/5) 20° = (28/30, 10/30) are these correct? tan 70° = 28/10 csc 21π/10 = 1/0.31 sec 17π/10 = 5/3

*September 18, 2015*

**circle trigonometry**

sin θ=2/3 and θ correspond to a point in quadrant 2. cos θ=

*September 18, 2015*

**precalc (check answer)**

l(x)=3-x^2 l(x)=7 x=-2 am i correct?

*September 17, 2015*

**algebra**

i need help with a problem, if not fully explained then i might need help with another problem. I was given the formula for the volume of a sphere i, but i still don't know what to do. if you could explain to me thatll be great. Tanks The radius of a spherical balloon is 1...

*September 17, 2015*

**science!**

i want you to review the (3)descriptions and the (4)questions and correct my answers of this worksheet called Scientific Method Bikini Bottom Experiments. tank you tutors for reviewing the descriptions and questions and correcting my answers. The Bikini Bottom gang loves ...

*September 15, 2015*

**algebra**

tank you tutor reiny

*September 15, 2015*

**algebra**

please check the following answers and review the questions. tank you 1. 2/3 * negative 6 * 5 my answer: -100 2. a landscaper installs 12 sections of trellis. each section of trellis is 3/4 yard long. how many yards of trellis are installed altogether? my answer: 9 yards of ...

*September 15, 2015*

**Math**

When the tap is turned on, a sink will fill at a uniform rate in 60 seconds. If the plug is removed, the sink will empty at a uniform rate in 80 seconds. How long will it take to fill the empty sink with the tap on and plug removed?

*September 13, 2015*

**science!**

tank you bobpursley, but i changed the problem to: To relate amount of ethylene to the maturity of the fruits and the control group to: No control group, but each of these fruits should have been given marurity stage with no ethylene

*September 9, 2015*

**science!**

i have 6 questions, each with an answer. i would appreciate if you review the questions check my answers. tank you very much tutors. variables and graphing assessment practice Ethylene is a plant hormone that causes the fruit to mature. The data below concerns the amount of ...

*September 9, 2015*

**math**

tank you very much ms. sue for checking my work ! much appreciated

*September 9, 2015*

**math**

i have 5 questions about adding rational numbers and want you to check my answers. tank you for reviewing my questions tutors 1. -3/2 - 7/4 + 1/8 my answer: -.3375 2. Alex borrowed $12.50 from his friend Danilo. He paid him back $8.75. How much does he still owe? my answer: ...

*September 9, 2015*

**physical fitness (not homework)**

tank you two lover yup and damon, i don't like medicine butt tanks for that suggestion. i like drinking ice cold water so i will take that ! its very possible that i'm overdoing it since i had to do all of them each for 1 minute, and i tried my very best.

*September 9, 2015*

**physical fitness (not homework)**

how do i alleviate the pain in my stomach after doing curl ups, crunches, and planking ? tank you

*September 9, 2015*

**science!**

okay so for number 20 i think: Lisa bought Rogooti to see if it effected the speed of hair growth. Lisa rubbed the Rogooti on Bart's hair every day with the same amount of Rogooti and compared Bart's hair's length to the length of his hair the day before. control ...

*September 8, 2015*

**science!**

this question is not a question but 20 questions. i appreciate if you review all my answers, but i wont provide an answer for the last question (most probably since i didn't finish answering it or typing it out since i only have an hour to do that). now, let's get ...

*September 8, 2015*

**calculus**

D(x)=x^2+2x C={(x,y)|y=4x-5} 1) D(C(x)) f(x)=1+3 sqrt of x+2 2) f(f(x))

*September 8, 2015*

**Precalc**

I mean h(D(x)). Sorry about that. That's how my teacher wrote it. would the answer be: 7^2+2(7) = 49+14 = 63?

*September 8, 2015*

**AP Statistics**

The severity of side effects experienced by patients while being treated with a particular medicine is under study. The severity is measured on the scale: none, mild, moderate, severe, very severe. a. Name the variable of interest. b. Identify the type of variable. I answered ...

*September 8, 2015*

**jiskha**

ah, tanks for the clarification reed ! i wanted answers from other tutors so i know when to post questions as well, butt thank you for telling me your time zone and time. much appreciated

*September 7, 2015*

**jiskha**

so im wondering, what time do the main tutors log off of jiskha ? like some main tutors, reiny, damon, steve, ms. sue, and writeacher. i don't see any tutors that are answering the 9 current questions, but i know that writeacher is still on because he/she already answered ...

*September 7, 2015*

**english (continued my rough draft)**

When I rush to do my homework I do get them done, but they most likely have errors which is why I hate waking up late and rushing to do my homework. Even now I still do my homework. Even now I still do this, having to wake up early and think it's no big deal then waking up...

*September 7, 2015*

**english**

oh i forgot to put in my original draft, which i also forgot to say it was a rough draft. my rough draft needs to have multiparagraph, insights, transitions, and that i wrote a narrative. rough draft: choices An incident from my circle map is when I chose to do homework later ...

*September 7, 2015*

**enlgish**

im sorry writeacher ! the paragraph above was posted before you posted that, i didn't rewrite, revise it, or have someone read it aloud. tank you very much for the link tutor writeacher and giving me advice! i will post more paragraphs !

*September 7, 2015*

**enlgish**

i think i fixed my revision with all those sentence fragments. I open and close my eyes for a few times and blink faster. I then immediately lift my head from the brown couch to turn it to the side and lift my body to look for the cable in my living room or a device that tells...

*September 7, 2015*

**enlgish**

#1 my assignment is to revise my entire personal narrative (beginning, middle and end) of my rough draft that i forgot to include and is on another question (sorry about that) #2 i have to revise my rough draft that i already written #3 can you give me more information on ...

*September 7, 2015*

**english**

oh shoooot i mean english, wow i already made a mistake

*September 7, 2015*

**enlgish**

not a question, just want you to check my revision of a draft with an action lead in. this is just the revision of the beginning, i may post more revisions of my draft for the middle and end, and will probably ask questions in the answer section. Revision For Beginning Opening...

*September 7, 2015*

**science!**

first go to my original question which has the data table with my name, anon, and the school subject as science! tanks. okay so i have a question and most likely will be posting more questions regarding of constructing a graph. my question is, x axis is where you put the ...

*September 7, 2015*

**algebra**

for #5 the ratio is 1.5/7.5 not 1.5/7. thank you very much reiny for reviewing my convoluted question, sorry i meant questions

*September 7, 2015*

**algebra**

i need you to check my answers for the following questions: use the table to answer problems 1 to 4. the table lists the commuting times for 5 people. write each ratio in the form a/b, and then as a decimal. tell whether each decimal is a terminating or a repeating decimal. ...

*September 7, 2015*

**science!**

i like my hypothesis, i don't need to prove it's right, right ?? i just chose sunlight because of the data table that shows that sunlight grew better than red light and green light. for temperature as a constant, do i write the temperature to spanish needle seeds ? ...

*September 7, 2015*

**science!**

i want you to check my answers for the questions and i might need help on constructing the graph that i need to do for problem 7. variables and graphing assessment practice some students wanted to investigate the effect of light on the growth of spanish needle seeds (bidens ...

*September 7, 2015*

**Chemistry**

What relationship exists between the electron structure of a Group A ion and the electron structure of the nearest noble gas? Why do boron, carbon and silicon not form simple ions? How do they satisfy their electron requirements?

*September 7, 2015*

**calculus**

what is the range for the function j(x)=5+sqrt of 2-x

*September 5, 2015*

**writing**

Sorry, I meant Im thinking C not D

*September 3, 2015*

**writing**

Jack was told the overall content of his paper was weak. What does this mean? A. The tone of his paper was not original B. He had too many grammatical errors. C. The overall ideas in his essay were not fully developed. D. The flow of his essay was inconsistent. Im thinking D?

*September 3, 2015*

**reading**

In order to change information from useless facts into information you can absorb and retain, you should do which of the following? A. Ask questions B. Draw conclusions C. Anticipate information to come D. All of the above Im thinking A or D?

*September 2, 2015*

**social studies (history day project)**

Before I introduce my assignment and what I need to do, I tried my best copying off from the instructions given and it's long, obviously. (and I may have some errors but please excuse those) I have another page of directions, but it will be short. Oh and we need to do this...

*August 31, 2015*

**algebra**

complete the table to answer 1-4. i don't put a table here because i can't and it's time consuming, so i made up word problems for the table. 1. for the abc company, you own 5 shares and lost $2 on monday, gained $5 on tuesday, and lost $1 on wednesday. did your ...

*August 30, 2015*

**SCIENCE!**

that's why i said i will be posting the answers in an hour, butt i didn't get a chance to. sorry about that psydag. thanks for the help. please check the following (and add statements if needed): a. which statement(s) contain conclusions? i think the ninth statement. b...

*August 29, 2015*

**SCIENCE!**

the second worksheet of SCIENCE! for today performing an experiment read the following statements and then answer the questions. 1. a scientist wants to find out why sea water freezes at a lower temperature than fresh water. 2. the scientist goes to the library and reads a ...

*August 29, 2015*

**SCIENCE!**

okay, sorry for the wai, these are my answers, so please check the following: a. in which statement is a prediction made? my answer: the seventh statement b. which statement states a problem? my answer: the fifth statement c. in which statement is an experiment described? my ...

*August 29, 2015*

**SCIENCE!**

last worksheet for SCIENCE! for today analyzing elements of a scientific method read the following statements and then answer the questions. 1. you and your friend are walking along a each in maine on january 15, at 8:00 am. 2. you notice a thermometer on a nearby building ...

*August 29, 2015*

**SCIENCE!**

nevermind, i got the answer for #6, tank you very much !

*August 29, 2015*

**SCIENCE!**

so for #6, what was the mistake ? and tank you for informing me on finding the density, damon !

*August 29, 2015*

**SCIENCE!**

tank you very much and if i have more questions that arise, please answer damon ? tanks !!!!!

*August 29, 2015*

**SCIENCE!**

i was not taught in my science class any of this, probably a review over 6th grade science, because i learned these in 6th grade.(im in 7th grade now) identifying Errors read the following paragraph and then answer the questions. andrew arrived at school and went directly to ...

*August 29, 2015*

**Dear Jiskha**

it's okay sammy

*August 29, 2015*

**algebra**

tank you very much ms. sue !!

*August 28, 2015*

**algebra**

by finding $5 on the sidewalk, is that the change in the amount of money mrs. armor had? just $5 ??

*August 28, 2015*

**algebra**

write an expression to represent each situation. then find the value of each expression to solve the problem. 1. on saturday, mrs. armor bought 7 pairs of socks for $3 each, and a sweater for her dog of $12. then she found a $5 bill on the sidewalk. over the course of saturday...

*August 28, 2015*

**SCIENCE!**

tank you very much drbob222 !

*August 28, 2015*

**SCIENCE!**

more on hypotheses hypotheses help explain puzzling situations or events. hypotheses answer "how", "what, and "why" questions. explain each of the following situations with a hypothesis: 1. you hang a bird feeder, fill it with food, but no birds come ...

*August 28, 2015*

**algebra**

tank you very much steve, but i still don't understand because i wasn't taught of this in my class since we were just reviewing. so, i don't know how you did number 9 and thanks for that conversion hehe and i have a question for #9, so from 6 yards to 15 yards deep...

*August 27, 2015*

**algebra**

simplify. 3 - 2(4 - 7) ÷ 9 i don't know what to do after i subtract 4 and 7 which is -3 then multiply 2 which is -6 then i don't know what to do afterwards, i know pemdas so -6 divided by 9 cannot be so please help on that. the integers from -3 to +3 can be used...

*August 27, 2015*