# Posts by Luna

Total # Posts: 156

**Math**

There was 30 students in the class 24 of these studen pass the test what percentage of these students passed their test

**Calculus II: Finding the volume of a revolution**

Question: Find the volume of revolution bounded by y-axis, y=cos(x), and y=sin(x) about the horizontal axis. Since the rotation is happening at the horizontal axis, I thought the limits of integration would be [-1,1] and if the curves are rotated they would over lap so i used ...

**Calculus II: Shell Method for finding volumes**

Thanks a bunch Steve!

**Calculus II: Shell Method for finding volumes **

Question: What is the volume of the revolution bounded by the curves of y=4-x^2 , y=x, and x=0 and is revolved about the vertical axis. First, I had found the points of intersection to get the limits and I got -2.5616 and 1.5616. And then I plug it in the shell method formula ...

**math**

Ashley ate 3/5 apples. Alan ate 4/20 apples. How much apples were left?

**Math**

there are 120 cards shared between Anna, Jane and Tina. Each time Anna gets 5, Jane must get 3, and Tina has to get 2 until all of cards are divided. How many cards does each person get?

**Math**

b c c a b these ^^ are right. i got 3/5 with the answers that the original poster had. trust me! <3

**Language Arts**

i dont really understand the word luminous what does it mean

**Language Arts**

Thank You Ms. Sue thank u so much

**Language Arts**

Plz help ms sue Question #1: Which characteristics make "The Rider" a lyric poem? a. It uses musical language and expresses feelings b. It tells a story about a historical event c. It rhymes and has a regular rhythm d. It uses repetition and describes a natural event...

**Math Pz help**

yes Ms. Sue thank u

**Math Pz help**

OK Ms. Sue i do think its D

**Math Pz help**

a $490.00 b $565.00 c $825.00 d $910.00

**Math Pz help**

A flat-screen TV cost $1,40.00. The TV is on sale for 35% off. What is the discounted price of the TV?

**Chemistry **

Radon-222 is a radioactive gas with a half-life of 4 days. Approximately how much of a 40 g sample of radon-222 would remain after 12 days?

**Ummmm, LA Help?**

Reed not to be rude but she was asking about what were some examples I've done this before because I didn't understand it she wanted some examples from everyone to help her find some examples not to cheat Also sorry Agala I would help but I'm having trouble too

**Math**

itmee is 100% correct fo connexus lesson 3 unit 1 quick check

**Weird question science**

thx babe

**Statistics**

Suppose Cindy is taking a multiple-choice test where there are 5 possible answers on each question. If she guesses on all 8 questions, what is the probability that she gets: a.) exactly 3 correct. b.) at least 1 correct. c.) What is the mean? d.) What is the standard deviation?

**Spanish**

3 is correct.

**Physics**

Jupiter has an Equatorial radius of sour 1.7x10^4 km and it's period of rotation is 9 hours and 50 minutes. Calculate the average speed (in m/s) of an Equatorial point during one period of jupiter's rotation. Is the velocity different than the speed? How do I even go ...

**Physics**

Once all of the passengers aboard it a train leaves the station and it takes 30 minutes to reach its maximum velocity once at maximum velocity train travels the next 6.30×10^2 km for the next 12.6 hours what is the acceleration of the train leaving the station. Do we ...

**Biology**

how to maintain the qualities of water ?

**Math**

I'm having trouble putting these least to greatest 6 and 9/10 , 6 and 19/80 , 6 and 3/4

**math**

why is that the funniest thing ive heard this week

**Math**

Did you ever get the answer to this i need a bunch of help

**Chemistry**

Thank you.

**Chemistry**

What volume of coffee (pH=5.0) would be required to have .25 moles of H3O+ ions? (must be two steps)

**science (URGENT!! CORRECT PLEASE))**

your my savyour @iun

**Math**

Did you ever get the answer to this i really need help

**math**

Mrs Lopez has $9,118 in her bank account on March 1 she saves $609 in March. Then, she must pay $1,011 in taxes in April. Mrs Lopez is able to save $705 in May. At the end of May approoimately how much greater or less is her account balance than it was on March 17 Select each ...

**Math**

Ann is x years old and her sister is 2 years older. If the product of their ages 80. Form an equation in x and solve to find the age of each. ______________________________________ I got up to, x + 2x = 80 x + 2x - 80 = 0 and now im confused... this is for an exam, help?

**spanish**

Ok so I just need someone to check my answers and tell me if they are right or wrong :) (if wrong why) And to help me with the unanswered questions (couldnt find the right answer for them) Choose the correct form of the préterito tense: 1. Susana dormía cuando ...

**Tenology**

thx bae 100%

**Math**

Ricardo spent $37 for a jacket which included $2.38 in sales tax. Write and solve an addition equation to find the price of the jacket before tax

**Health**

Thanks

**Health**

Nevermind, my answers were correct. It’s A,B, and C

**Health**

Long-term stress can lead to: (select 3) A. more frequent illnesses such as colds B. headaches C. heart disease D. self-actualization I think its A,B,C

**Math**

Oh okay Ms. Sue. I was first thinking it was C in the first place

**Math**

Thank you

**Math**

What percent of 250 is 70? A. 3.6% B. 18% C. 28% D. 175% I think it would be either C or D

**Language**

real answers are: 1. b 2. d 3. c 4. b TRUST ME 100% 4/4 CONNEXUS

**Language Arts**

darell correct 100% connexus answers

**Social Studies (Ms. Sue) Please Proofread**

yay you are correct! thanks

**Is this right Ms Sue ???**

Thanks Lun, 100%!

**Educational Technology.**

100% @anynonmous

**Science**

Thank you guys!

**Math**

Mrs Lopez has $9,118 in her bank account on March 1 she saves $609 in March. Then, she must pay $1,011 in taxes in April. Mrs Lopez is able to save $705 in May. At the end of May approoimately how much greater or less is her account balance than it was on March 17 Select each ...

**Maths**

a man accepts a position with an initial salary of money $1800 per year if his salary increases at the end of every year by $1500 what would be his annual salary at Te begging of the 11th year

**Please Answer my Question(Science)**

DEEZ GOT HEE was right these are the answers 1.B 2.C 3.A 4.B 5.C 6.A 7.D 8.A

**Social Studies**

Jordan is 100% right! just wanted to clear that up for anyone whose skeptical of those answers in the future.

**english**

predominant default confiscated Decipher concurrent recession prerequisite constitute nominal hypothetical

**Social Studies**

100% thx

**Social Studies**

THX NVB!

**science**

Have you guys maybe thought of doing a little bit of research of the different spheres and earths rotation so that you can answer these on your own?

**Calculus (math)**

Warfarin is a drug used as an anticoagulant. After administration of the drug is stopped, the quantity remaining in a patient's body decreases at a rate proportional to the quantity remaining. Suppose that the half-life of warfarin in the body is 35 hours. Write a ...

**math**

Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?

**Algebra**

A baseball is hit at a point 2 feet above the ground at a velocity of 100 feet per second and at an angle of 45 degrees with respect to the ground. The path of the baseball is given by the function: f(x)= -0.0032x^2+x+2. where f(x) is the height of the baseball in feet and x ...

**science**

-A is correct! I made a 5/5 a 100% thankyou!

**Science**

Thxs sm @lun

**Physics gr. 12**

Rick and Glen are cornered by zombies as they tend to be in each episode. In this particular episode, Glen fires a grappling hook with a rope attached up to the roof of the building they are standing beside. Glen takes a quick look at the bag the rope came in which states a ...

**science 1 question!!!**

thank you Danny 100%

**science question**

Which process tends to occur more quickly, natural selection or artificial selection?

**science (check plz)**

8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...

**science (help)**

oh sorry i had figured it out mins later but thank you Ms.Sue

**science (help)**

18.Fertilizers and pesticides applied to farm fields in Pennsylvania have made their way down into the Chesapeake Bay in Maryland. This is an example of _________________ pollution. 19.Before beginning any land development project, people should carry out a(n) ...

**science (check!)**

when fossil fuels are burned they produce _____, the main greenhouse responsible for global warming trends. ----MY ANSWER: emission?---

**science (CHECK plz)**

8.two species have a relationship with one another in an ecosystem. suppose one of these two species goes extinct. which type of relationship did the two have if the surviving species population increases after the other goes extinct? A.the extinct species was a parasite in a ...

**science**

I used this on the ones I wasn't sure I had right and got 18/18 thanks, and yes this might be cheating but why're you on this site if you're NOT cheating?

**MATH ✿╣Check╠✿**

which expression would you use to figure out the number of ways you can arrange the letter in the word EQUATION?--------------My answer: 8P4 (the 8 and 4 are suppose to be small)

**MATH ✿╣Check╠✿**

8. There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? 1/5 2/5 24/25 4/5**?

**MATH ✿╣Check╠✿**

nvm

**MATH ✿╣Check╠✿**

A bag has 6 green marbles, 4 red marbles, 5 yellow marbles, and 3 purple marbles. What is the probability of choosing a purple marble? 1/6**? 6/18 3/20 1/9

**chemistry chem science**

A portable CD player that draws 160 milliamperes of current is powered by Ni-Cd rechargable batteries. Compute the mass of Cd consumed when a disk is played for 35 minutes. (enter your answer in grams)

**Math (help)**

what is the length of the radius of the LARGER cone(the LARGER cone has a slant height of 15) when the SMALLER cone has a radius of 8 and a slant height of 12ft ,please help.

**Math (help)**

how to find the surface area of a cone with a diameter of 8 and a slant height of 7? with steps? please

**Math help**

how to find the surface area of a cone with a diameter of 8 and a slant height of 7?

**Math help**

okay I figured it out, is it 24513.84? @Ms.Sue

**Math help**

How do you find the volume of a cylinder with a diameter of 34m and a height of 27m?

**MATH ✿╣Check╠✿**

what is the surface area of a sphere with a radius of 5 meters rounded to the nearest square meter? MY ANSWER: 314m^2 (is it correct?)

**Math (check)**

thank you!

**Math (check)**

what is the slant height for the given pyramid to the nearest whole unit? with a pyramid base of 12cm and a height of 8cm. MY ANSWER: 14

**Math (how do you find the volume of a cone)**

for example, a radius of 5 and a height of 20, could you please explain the steps? Thank you in advance!!

**science (check!)**

which of the following would be most likely to lead to increased biodiversity? . My answer: National park planning (though I kind of have the answer of farming in thought too)

**Science (check please)**

thank you so much Damon! I got them all right (:

**Science (check please)**

3. Which of the following pairs of terms could be used to describe a bullfrog that is active at night and enters a state of complete inactivity during colds months? . . . My answer: Circadian rhythm and hibernation.

**science (check please (:)**

haha thank you Damon!

**science (check please (:)**

8.Which of the following would help decrease the human ecological footprint? . . . . . . . . . . . . . . . My answer: using public transportation instead of riding in a car? (I have doubts on my choice) but my other choice is using bottled water instead of tap water?

**science (check)**

Before yes but it was too late when I realized it. (:

**science (check)**

5.Which of the following could help reduce loss of biodiversity ? A. increasing construction of tall buildings B. increasing farming operations C. increasing conservation measures***** D. Increasing the human ecological footprint

**science (check)**

carrying capacity is the maximum number of _____ that an ecosystem can support. . . . My Answer: Individuals in a population (Is it right?)

**social studies (check plz)**

thank you.

**social studies (check plz)**

Which statement best describes the government of Canada? The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government(MY ANSWER) The prime minister is the monarch of Canada.

**Math check (:**

thank you Ms.Sue!

**Math check (:**

find the volume of the cone with a radius of 6in. and a height of 11in. MY ANSWER: 415 in^3 (Is it right?) thank you in advance!

**math (check please)**

yay thank you @steve (:

**math (check please)**

find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?)

**math question (CHECK)**

find the surface area of a square pyramind with a base length of 24cm and a height of 16cm . . . . . . . . A.1056 cm^2 . . . . . . . . . . B.1536 cm^2 . . . . . . . . . . C.816 cm^2 . . . . . . . . . . D.1344 cm^2(I CHOOSE THIS ONE)

**Math question check**

find the surface area of a square pyramind with a base length of 24cm and a height of 16cm . . . . . . . . A.1056 cm^2 . . . . . . . . . . B.1536 cm^2 . . . . . . . . . . C.816 cm^2 . . . . . . . . . . D.1344 cm^2(I PICKED THIS ONE)