Posts by Nina

Total # Posts: 660

Physics
The spin-drier of a washing machine slows down uniformly from 880 rpm (revolutions per minute) to 260 rpm while making  50 revolutions.  Find the angular acceleration through these 50 revolutions.  Express your answer in rad/s2. The answer is -12.3359871531. I ...

Physics
Hint: Assume stone is drilled and the stick passes through it

Physics
Fred Flintstone’s club–ax is made up of two parts:  an uniform 2.5 kg stick and a symmetrical 10 kg stone attached to the end of the stick.  The dimensions of the club-ax are shown in the figure.  How far is the center of mass from the handle end of ...

Java programming
Hi, I'm trying to figure out how to implement toString() methods into the JavaTest and H2ClassB classes so that the output would be 4 3 7 5 99 3: import java.util.ArrayList; public class JavaTest { ArrayList <JavaTest> list = new ArrayList <JavaTest> (); public...

Trigonometry
Thank you Steve!

Trigonometry
would it be Down and to the right?

Trigonometry
A clown is juggling at a circus. The path of a ball is given by the parametric equations x=2 cos T + 2 and y = 3 sin T + 3. In what direction is the ball moving? Up and to the right counterclockwise down and to the right clockwise After graphing it and observing its ...

Trigonometry
over which of the following domains is f(x) = csc(0.1x + 1.2) defined at all points and invertible? x = [0,10] x = [10,20] x = [20,30] x = [30,40] Can someone please explain how to solve this to me and show me all the steps rather than simply giving me the answer so I can ...

Algebra
A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t² + 60t + 6. What will the height be at t = 3 seconds? A) 3 B) 4***** C) 5 D) 6

Math/Algebra
Explain the composition of an algebraic expression, 3 sentences, an example

Math
You rent x pairs of shoes for $2 each. You buy the same number of drinks for $1.50 each. You also pay $9 for a bowling lane. Write an expression in simplest form.

Algebra
Now I get it, thanks Steve.

Algebra
Please help! Give the square and the cube of each expression in simplified form. -2t^2k

Statistics
Consider the population (1,3). Suppose you take all possible samples of size n=3 with replacement. What is the sampling distribution of the sample total?

Physics
A thin light beam is shining onto a wall. You take a solid block of glass that is 3.0cm thick and place it between the wall and the beam. The refractive index of the glass is 1.5. The angle between the beam and the surface of the block is 60° What is the incident angle of ...

Physics Help please
The lecturer with a monotone voice of 440 Hz and you are both 2m away from the long, smooth and tall wall. You will hear sound that comes directly to you from the lecturer along with sound that comes back from the wall on it’s way to reaching you. You need the path here ...

help with physics
Excited by the in class experiments you put two speakers in your living room 80cm apart producing a sound of 750Hz. 4.0 m away you place a microphone right on the centerline between the speakers. Will the microphone detect a loud sound or a soft on at this point (relatively to...

physics help please
The lecturer with a monotone voice of 440 Hz and you are both 2m away from the long, smooth and tall wall. You will hear sound that comes directly to you from the lecturer along with sound that comes back from the wall on it’s way to reaching you. You need the path here ...

World Geo
"Change the way people think and things will never be the same." -Steve Biko -what is the meaning of this and what made Steve Biko say this.

Maths
The area of rhombus is 148.8 square cm.if one of its diagonal is 19.2 cm,find the length of the other diagonals.

MATH
the diagram below shows the distances in miles between several towns Which is the shortest rout from plainview to franklin Answers A: plainview, to greenwood to franklin B:Plainview to rehobeth to franklin C: plainview to greenwood to spring field to franklin D: plainbiew to ...

MATH
yes please

MATH
I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!

History
Converted to the Mayan number system, what would be 152 and 100? I'm confused as to how it's set up.

Math
Two combines are able to harvest 320 acres of crops in a certain amount of time. How many acres will (a)3, (b)4, (c)6 and (d)7 combines harvest if they work at the same rate for this amount of time?

Math
Ok I have some math questions I need help with i'm not asking for the answer i just need help

math
•Explain how writing 2x-5 with positive exponents is similar to writing 2x-3/4 with positive exponents. Post a problem involving a rational exponent for your classmates to solve.

american goverment check answers
I mean A for number 6

american goverment check answers
A?

Math
A music store gives every 20th customer a $5 gift card. Every 50th customer gets a $10 gift card. Which customer will be the first to receive both types of gift cards?

Math College 115
Thank you so much @steve

Math College 115
terms*

Math College 115
a cat is born (age 0) weighing 3.8 ounces and at 2 years of age the cat weighs 40.8 ounces. Write answerin slope-intercept form, w=b+ma, in temrs of weight,w, and age,a.

Math
How do u evaluate and put 2.0*10^-7/8.0*10^-9

English 2
What is the tone of the following lines in "At the Tourist Centre of Boston"? I seem to remember people, at least in the cities, also slush , machines and assorted garbage. Perhaps that was my private mirage which will just evaporate when I go back. -embarrassed -...

Math
Is the opposite of -4 4

Math
Ms.Sue also is the opposite of -10 10

Math
which symbol is used to make -5 ? -8 a true statement? A > B < C =

algebra 2
so my data set follows a normal distribution??

algebra 2
My mode is 4****

algebra 2
My data has a median of 4, a mode of 3 and a mean of 3.56. Would this mean my data set was normally distributed? I think my data set is not normally distributed but can someone just check my work for me?

math
Determine the rate per cent per annum if Rs 6,250 amounts to Rs 6760 in six months ,interest being compounded quarterly

Algebra 2
Thank you!!

Algebra 2
What would happen to the sum of a geometric series if the ratio was 1?

education
why Race and Racism is essential to acknowledge in the scope of the classroom setting? what does this question mean? examples thank you

geometry
Identify the lateral area and surface area of a regular square pyramid with base edge length 11 cm and slant height 15 cm.

education
what is the meaning of this?

education
Hanson & Lynch detail how historical and present issues of race, ethnicity, language diversity, and socioeconomic background can impact equal and equitable access to education, health care, housing, food security, and community resources/services. Please speak to this

education
How do you feel that these images have been shaped by the family structure that you are a part of/ or ones that you have been exposed to throughout the course of your life? 3. how would you define cultural competence? Describe why cultural competence is an essential part of ...

Spanish
They're telling you to Write the pronouns that should be in the spaces. Juan buys flowers from her grandmother. Juan __ __ buys. I'm not exactly sure what pronouns can fit in though

Spanish
Escribe los pronombres que deben estar en los espacios. Juan compra flores a su abuela. Juan __ __ compra.

The Importance of Being Ernest
They can also use their imaginary characters to get out of situations and events they don't want to attend

The Importance of Being Ernest
Why does Ernest/Jack and Algernon both have fake characters? I just want to clarify my answer for my study guide since they are all written responses and have no multiple choice options so my answer is below. My answer: So they both have an opportunity to escape into the country

evaluate exptessions
2x-3y-4z=

eudcation
in what ways can housing program be realistically strengthened to have a more lasting impact? What are the housing program’s limitations? what is she asking. explain what the question is asking please and thank you.

education
thank you ms. sue and i'm sorry that I'm just confused what the question is asking. I'm confused about this part: create a barrier for creating strong and healthy children in this country? thank you

education
thank you ms. sue. can you another example on housing cost in united states? thank you

education
sorry. I put the problem is transportation and the country is united states.

education
How does this problem create a barrier for creating strong and healthy children in this country? problem-transportation need someone to explain and examples please.

education
How does this problem create a barrier for creating strong and healthy children in this country? need someone to explain please.

science
The answer is C

Math
Thank you John.

Math
Is this answer correct? 55% of x = 2 The answer I got was 40/11.

education
what should service providers (i.e youth and social workers) consider before intervention? what is he asking?

statistics
I divided 492 by 806. I want to know if that's the correct way to do it

statistics
oh okay thank you. I have another question about a claim problem. I don't know how to calculate the claim. "Suppose you are going to test the claim that more than half of adults prefer a window seat when they fly. The results of a poll indicated that 492 of 806 adults...

statistics
I wrote P(X<.8535) but how did that become .106? and where did you find sample size? is it 465 times something? I'm still confused.

statistics
Individual M&M plain candies have weights that are normally distributed with a mean weight of 0.8565 g and a standard deviation of 0.0518 g. If you randomly select 465 M&M plain candies, what is the probability that their mean weight will be less than 0.8535 g? what is the ...

Algebra
the perimeter of a triangle is 56 inches. the longest side measures 4 inches less than the sum of the other two sides. three times the shortest side is 4 inches more than the longest side. find the lengths of the three sides

Math
How long will it take me to become a millionaire with my investment of $1330.00 compounded at 18% annually?

Cultural Anthropology
Describe one informal and one formal means of social control that has recently been imposed/applied to you.

algebra
one day a store sold 18 sweatshirts, white ones cost $9.95 and yellow ones cost 12.50. in all 222.45 worth of sweatshirts were sold. how many of each were sold?

Math
NO BODY IS HELPING MEEEE!!!!!!

Math
What is 500 percent of 25?

Mathematics
The answers to the quick check are- B A A B Trust me im in connexus and i got 4/4.

Math
Yes.

science
What does the surface temperature of the water affect?

math
Thank you!!

math
What are the prime factors of 42 and 56? Which prime factors do 42 and 56 have in common?

math
The least common multiple is 15. This is the lowest multiple the two numbers have in common.

math
The factors of 3 are 1 and 3 and the factors of 5 are 1 and 5. Decide which of the following is the least common multiple of 3 and 5 and a correct description of what the value represents.

math
thank you

math
Jamie practiced the piano every four days. He had a piano lesson every nine days. When will Jamie practice and have a lesson on the same day?

algebra
then i subratct 4x from each side and i get x=-11 ??

algebra
ugh i don't get itt

algebra
i got 1x=x-11

algebra
I CLEARLY SAID THAT I DON'T WANT THE ANSWER PLEASE STOP GIVING PEOPLE ANSWERS WITHOUT EXPLANATION. WE ALL NEED HELP NOT THE ANSWERS. IF I WANTED THE ANSWER I COULD EASLIY SEARCH IT UP. PLEASE DO NOT POST ON ANY OF MY STUFF AGAIN. THANKS.

algebra
Hi I need help with this question. I am not asking for the answer because if not I wont learn like that. I am looking for a good step by step explanation. Thank you. Solve for x: 5x + 2 = 4x − 9.

Math
A number has more tens than hundreds or ones. What might the number be?

Math
0.01+0.05 simplify the expression above. which of the following is correct?

education
what is this question asking. need help. today one common curriculum model is emergent curriculum or planning curriculum around what emerges from the childrens interests and experience. is this consistent or inconsistent with deweys idea about education? why? thanks

education
what are some of the misconceptions about progressive education?

math
X^2-x-6/2x-6

math
what is the volume of a 2 ft wide 2 ft long and 4ft high

algebra
Please help I have tried this question so many times: I cannot type out the exponents because my keyboard does not allow so I'll have to write it in verbal form I'm sorry. What is the simplified form of -9 m to the power of negative two times n to the power of 5 times ...

Medical terminology
Omar Hussain had to have part of his lung removed. This surgery is known as a _______

Medical
Ms. Eubanks missed the recital because of a sore throat. This condition is known as _______

Med
Daniel was rushed from the accident scene to the hospital, and in the ambulance his basic respiratory function was monitored using a ______

algebra 1
Solve the system by either substitution or elimination 3x-5y=21 2x+y=1 A (2,-3) B (2,3) C (-2,-1) D (-2,1)

Social Studies, Ms. Sue, Reed, Check My Work
ey this was like a year ago but for those who are looking at this now and need the correct answers I will post them once i submit mine, but the essay questions you can do your self and PUT IN YOUR OWN WORDS!

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