# NiNa

Newest questions and responses by NiNa-
## math

I recently learned that in order to graph any trig function you need to factor the period out of the phase shift. Can someone explain why? I think this has something to do with the multiple x intercepts but I am not sure.

*asked on January 1, 2019* -
## History

how did the treaty of Guadalupe of Hidalgo affect Mexican Americans?

*asked on December 10, 2018* -
## Physics

A certain coiled spring with an unstretched length of 20cm required a force of 2N to stretch it by 0.2cm. What work is done in stretching it by 2cm if the elastic limit is not exceeded?

*asked on October 2, 2018* -
## math

A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 63

*asked on April 27, 2018* -
## Math

If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, what is the average of x, y, and z in terms of m? A) m+6 B) m+7***** C) 2m+14 D) 3m+21

*asked on March 12, 2018* -
## Physics

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.) Assume that your weight is a about 1200N. F=

*asked on February 22, 2018* -
## Psychology

I'm writing an essay about myself and have to incorporate the things I learned in psychology. One of them was classical conditioning. An example I wanted to use for this was seeing my mother dress up and put on makeup everytime we went to parties, so I

*asked on November 11, 2017* -
## algrebra

When adding the square root of 16 and -8 which type of number is the Sum Integer Irrational number Radical Whole number

*asked on November 5, 2017* -
## Math

When adding the square root of 16 and -8 which type of number is the Sum Integer Irrational number Radical Whole number

*asked on November 5, 2017* -
## Math

So my question is find the circumference of the circle in terms of Pi then use the approximation 3.14 for pi and approximate the circumference. How would I do this? The radius of the circle is 2m.

*asked on November 2, 2017* -
## Math

A 500-N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 10.0◦ with the horizontal. What is the tension in the rope?

*asked on October 19, 2017* -
## pre calculus

how long will it take for an investment to triple if it is compounded continuously at 4.2%

*asked on October 11, 2017* -
## Algebra 2

I'm having some trouble with this question, may I have some help? 6|6-4x|=8x+4

*asked on September 24, 2017* -
## Algebra 2

I'm working on Lesson 6: Absolute Value Equations and Inequalities Algebra 2 A Unit 2: Expressions, Equations, and Inequalities and feel confident in my first few answers, but beyond that am lost. May I have some help? **=the answer I believe to be true

*asked on September 23, 2017* -
## English

I have a research paper due and I'm in college. It needs to be a compare and contrast and something that can be argued against. I need topics and my teacher doesn't want the basics of abortion, gay marriage, texting and driving, politics etc. I looked on

*asked on September 8, 2017* -
## 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

*asked on July 19, 2017* -
## 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

*asked on July 19, 2017* -
## 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 list = new ArrayList (); public static void main

*asked on June 10, 2017* -
## 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

*asked on May 29, 2017* -
## 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

*asked on April 19, 2017* -
## 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

*asked on April 11, 2017* -
## Math/Algebra

Explain the composition of an algebraic expression, 3 sentences, an example

*asked on March 29, 2017* -
## 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.

*asked on March 29, 2017* -
## Algebra

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

*asked on March 29, 2017* -
## 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?

*asked on March 27, 2017* -
## 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

*asked on March 8, 2017* -
## 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

*asked on February 27, 2017* -
## 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

*asked on February 25, 2017* -
## 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

*asked on February 25, 2017* -
## 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.

*asked on February 3, 2017* -
## 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.

*asked on January 17, 2017* -
## MATH

I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!

*asked on January 13, 2017* -
## History

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

*asked on January 3, 2017* -
## 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?

*asked on December 24, 2016* -
## Math

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

*asked on December 7, 2016* -
## 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.

*asked on November 8, 2016* -
## 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?

*asked on September 26, 2016* -
## 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.

*asked on September 7, 2016* -
## Math

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

*asked on September 4, 2016* -
## 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.

*asked on August 26, 2016* -
## Math

Is the opposite of -4 4

*asked on August 24, 2016* -
## Math

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

*asked on August 24, 2016* -
## 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?

*asked on August 6, 2016* -
## math

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

*asked on July 28, 2016* -
## Algebra 2

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

*asked on July 28, 2016* -
## education

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

*asked on June 30, 2016* -
## geometry

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

*asked on June 25, 2016* -
## 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

*asked on June 16, 2016* -
## 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

*asked on June 15, 2016* -
## Spanish

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

*asked on June 5, 2016* -
## 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

*asked on June 2, 2016* -
## evaluate exptessions

2x-3y-4z=

*asked on May 31, 2016* -
## 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.

*asked on May 17, 2016* -
## 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.

*asked on May 11, 2016* -
## education

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

*asked on May 11, 2016* -
## Math

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

*asked on May 1, 2016* -
## education

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

*asked on April 27, 2016* -
## 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

*asked on April 25, 2016* -
## 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

*asked on April 21, 2016* -
## Math

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

*asked on April 17, 2016* -
## Cultural Anthropology

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

*asked on April 17, 2016* -
## 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?

*asked on April 9, 2016* -
## Math

What is 500 percent of 25?

*asked on April 8, 2016* -
## science

What does the surface temperature of the water affect?

*asked on April 7, 2016* -
## math

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

*asked on April 7, 2016* -
## 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.

*asked on April 7, 2016* -
## 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?

*asked on April 6, 2016* -
## 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.

*asked on March 30, 2016* -
## Math

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

*asked on March 7, 2016* -
## Math

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

*asked on February 10, 2016* -
## 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?

*asked on February 2, 2016* -
## education

what are some of the misconceptions about progressive education?

*asked on February 2, 2016* -
## math

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

*asked on January 21, 2016* -
## math

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

*asked on January 20, 2016* -
## 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

*asked on January 20, 2016* -
## Medical terminology

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

*asked on January 11, 2016* -
## Medical

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

*asked on January 11, 2016* -
## Med

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

*asked on January 11, 2016* -
## 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)

*asked on January 11, 2016* -
## algebra

12 less than the product of 14 and b

*asked on November 19, 2015* -
## English

5. In the following sentence, what is the subject complement? My neighbor is a newspaper reporter. A. Neighbor B. Reporter C. Newspaper D. My

*asked on November 17, 2015* -
## English

Which verb tense indicates continuing action?

*asked on November 17, 2015* -
## Physics

A 143.8-N bird feeder is supported by three cables as shown in the figure below. Find the tension in each cable. The rope on the right is 30 degrees and the rope on the left is 60 degrees. and the middle rope is connected to the bird feeder and is

*asked on October 31, 2015* -
## Algebra II

A coin jar contains 3 pennies, 8 nickels, 6 dimes, and 5 quarters. If a coin is chosen at random, what is the probability of choosing a dime? a) 8/11 b) 3/8 c) 3/22 d) 3/11 So I'm confused. I solved this, but my answer was 6/22 --> 3/12 --> 1/4 (this being

*asked on October 28, 2015* -
## CHM 312L

Experiment: Thermodynamics of Real Gases Chemistry 311L (Heat Capacity Ratio and the Joule-Thomson Effect) question: Imagine that you forget that an oil manometer measures pressures above atmospheric. What will happen to your calculated heat capacity

*asked on October 19, 2015* -
## Math- HELP

1. Write the fraction or mixed number as a decimal 7/8 A. 0.78** B. 0.875 C. 0.8777 D. 1.875 2. 1 1/2 A. 0.50 B. 1.5** C. 1.05 D. 1.1 3. 4 3/8 A. 0.375 B. 4.35 C. 4.375 D. 4.5** 4. Write the decimal as a fraction or mixed number 0.4 A. 4/100** B. 2/5 C.

*asked on October 9, 2015* -
## Technology

1. Using a graphic organizer in the prewriting process can do all of the following except: A. organize the writers thoughts B. help narrow the writers topic C. research a writers story** D. help make the writing more detailed 2. Writing a story with proper

*asked on October 6, 2015* -
## Math

Not Urgent But Please Check My Answer: A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she

*asked on September 30, 2015* -
## lgebra

The sum of three consecutive natural numbers is 963, find the numbers. (A) First, write out an equation that models the relationship between these three numbers: x + ____ +______ = 963 2nd number 3rd number (B) Now, simplify the left side of your equation:

*asked on September 27, 2015* -
## ALGEBRA

A rectangular room is 4.15 meters longer than it is wide, and its perimeter is 27.9 meters. Find the dimensions of the room. The length is :-------- meters and the width is -----meters.

*asked on September 27, 2015* -
## reading

What is the prefix root and suffix for daintly? Am i correct? Prefix- none Suffix-ily Root- daint

*asked on September 22, 2015* -
## math

What is 1/10 of 0.08? 0.07??? Am i correct?

*asked on September 21, 2015* -
## reading

What is the prefix suffix , and root of the word grumbled? My answers: No prefix Led-suffix Grum root am i correct? Plz answer for all my answers and ASAP

*asked on September 15, 2015* -
## language arts 5th grade

What information do you get in both a dictionaryand a glossary entry? I think basically the meaning of a word?

*asked on September 15, 2015* -
## reading

Is intentionally a noun,verb,adverb? I think it is an adverb am i correct?

*asked on September 15, 2015* -
## Math

Blair is decorating a birthday cake with candles. The cake has a diameter of 15 inches. She wants to place the candles about every 6 inches around the edge. How many candles will she need? How could i solve this problem?

*asked on September 8, 2015* -
## Math

One tire has a diameter of 7 in and another has a diameter of 12 in. What is the difference in the distance the tires make in two revolutions? I don't get the question could you explain?

*asked on September 7, 2015* -
## math

which of the following sets of line segments could make a triangle? i don't get it could you explain please a. 3,5,4 b. 1,3,2 c. 12,20,7 d.14,11,15

*asked on September 1, 2015* -
## social studies

Which type of economic institution works to provide services to a community and does not pay taxes? A bank B market C non-profit D labor union (?)

*asked on August 19, 2015* -
## social studies

Which of these is an example of price competition? A a new advertising campaign B a loyalty rewards program C a special holiday sale (?) D a customer satisfaction survey

*asked on August 19, 2015*