Friday

August 26, 2016
**math**

suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
*Friday, January 23, 2015 by kyle*

**Math**

Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
*Wednesday, January 21, 2015 by JWL*

**grade 6 math**

13 more than product of m and 5
*Wednesday, January 21, 2015 by patty*

**Algebra 1**

The size of a certain cell is 2.5 * 10 to the -9 power m. Another cell is 1.5 * 10 to the 3rd power larger. How large is the larger cell in scientific notation? my answer is 3.75 * 10 to the -6 power m
*Wednesday, January 14, 2015 by Steve*

**Math 7th grade**

1/15 =3/5m For my answer, I put m= 1/5 Is that correct?
*Wednesday, January 14, 2015 by Tam*

**Grade**

If there are 70 questions and you get an 80 how many did you miss
*Thursday, December 18, 2014 by M*

**math**

If Susan takes two tests and makes a makes a 54/100 on the first test and a 63/100 on the second test, and is given a third test and makes an 80/100(which can only count as 20% of her total grade for all three test, what is her final grade/score.
*Thursday, December 18, 2014 by destiny scott*

**7th grade math**

Can you check these problems? 1. 4x^2 + 3x - 4x +5 = 4x^2 - x + 5 2. m - n + m - n - n = 2m - 3n 3. (7x + 5 - 3y) - (-3x - 5 +4y) = 7x + 3x -3y + 4y + 0 = 10x - y = 0 4. m/8 - 9 = 5 m/8 = 5 + 9 m = 14/8 m = 7/4 = 1 3/4
*Wednesday, December 17, 2014 by Alexis*

**division **

9/72=8 56/7=8 49/6=8 36/9=4 64/8=8 6/24=4 5/25=5 3/15=5 Easy I'm in fifth grade and I know this 😜
*Monday, December 15, 2014 by Jamie Fuler*

**sixth grade math**

what are the prime factorization of 88? I need help!
*Sunday, December 14, 2014 by jamar*

**s.s American Revolution **

why was the idea of taxation without representation so important to the revolutionary cause... A) Colonist believed King George 3rd had violated their right by taxing them without their consent B) Great Britain would would have ended taxation if colonists had kept the peace C...
*Thursday, December 4, 2014 by edu*

**5th grade math **

how do i simplify
*Thursday, December 4, 2014 by caitlyn*

**math**

The 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one twenty fourth the 5th term.find the 4th term.(there is a mistake in the 2nd to the last statement.help locate the mistake{final answer 4th term =48).i solved to this extent.ar^2=9 r=3.
*Friday, November 28, 2014 by james*

**math**

the 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one-twenty fourth the 5th term.find the 4th term.(my solution so far).ar^2=9a r=sqr of 9 r=3.help me find the 1st term
*Friday, November 28, 2014 by james*

**math**

The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)
*Thursday, November 27, 2014 by james*

**MLA style**

If i have to write a 1500 word research paper on MLA style. Can the format be like this : 100 word Introduction 400 word 1st paragraph 400 word 2nd paragraph 400 word 3rd paragraph and finally 100 word Conclusion. Is this good enough. and I am gonna use 9 citations.
*Wednesday, November 26, 2014 by HAQUE*

**Maths**

The second term of a GP is 12, more than the first term, given that the common ratio is half of the first. Find the 3rd term of the GP
*Monday, November 10, 2014 by Geometric progression*

**Math**

What is 2 more than 5?and 1 less than 8 plus 2? I am in grade one. Thank you.
*Tuesday, October 21, 2014 by Soin*

**3 grade math**

How can I find the area of an angle?" How do you respond?
*Tuesday, October 14, 2014 by Ellie*

**physics**

A baseball player throws a ball at an angle N of E from 3rd base to 1st base. if it takes 1.2 seconds to get there, at what velocity did he throw it? (bases on a baseball field are 90 feet apart) -9.8=0-27.432m/ .24
*Tuesday, October 14, 2014 by Tosin*

**physics**

A baseball player throws a ball at an angle N of E from 3rd base to 1st base. if it takes 1.2 seconds to get there, at what velocity did he throw it? (bases on a baseball field are 90 feet apart) -9.8=0-27.432m/ .24
*Tuesday, October 14, 2014 by Tosin*

**idk **

what grade level is physics??
*Thursday, October 9, 2014 by Aluminum<3 Helping & C.S.I ♪♫*

**Math**

1. Find the common ratio and the 7th term of the sequence 2/9, 2/3, 2, 6, 18, ..... 2. The 3rd and 5th terms of a geometric sequence are 2 and 1/2 respectively. What is the first term? 3. Find the geometric mean between: a. 1/2 and 1/3 b. sqrt5 - sqrt2
*Tuesday, October 7, 2014 by Erin*

**Algebra**

A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive. I know she has to score between 81 & 96 but I'm not sure how to show it the ...
*Saturday, October 4, 2014 by Tricia*

**5th grade math**

What percent more than 2 is 16/5? Help me please
*Friday, October 3, 2014 by Righteous *

**chemistry 101**

What alcohol(s) could be used to produce each of the following compounds? Enter the IUPAC names of the alcohol(s). If there are more than one alcohol, enter them separated with commas. 1.CH3-CH2-O-CH2-CH3 2.CH3-CH2-C=CH-CH3 ..........| ..........CH3. 3.pentagon with a double ...
*Friday, October 3, 2014 by keila*

**7th grade math**

find the sum 7/20 + (-4.8) + (-4/5) +4.9 im cluless
*Tuesday, September 30, 2014 by reece*

**math**

Write 4 names for 8? This is 2nd grade homework.
*Sunday, September 28, 2014 by morgan*

**physics**

Student wants to jump from their 3rd floor apartment window to the swimming pool below. The base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be running horizontally to make sure they make it to...
*Saturday, September 27, 2014 by Iworlock*

**geometric sequence**

The sum of the 2nd and 5th terms of a geometric sequence is 3.5. The sum of the 3rd and 6th is -7. Determine the ratio r of the sequence and the first term a.
*Saturday, September 27, 2014 by h*

**sixth grade math**

3 3/5 * 5/6 = 90/45 Do I have correct answer?
*Wednesday, September 24, 2014 by Kris*

**English**

1. Class 2 in the second year won first place. 2. Class 2 in the second grade won first place. 3. Class 2-2 in the second year won first place. 4. Class 2-2 in the second grade won first place. (Are they all grammatical and teh same in meaning?)
*Thursday, September 18, 2014 by rfvv*

**4th grade math**

GCM OF 12 and 20. Please explain
*Wednesday, September 17, 2014 by Jay*

**cogat**

i want teach my little who is 3rd grader about cogat where did i find proper material. Can anybody please help to find about figure matrices and also figure classification
*Wednesday, September 17, 2014 by kk*

**Grade 9 Math**

how would you expand: -(w - 30)^2 + 80w + 600
*Friday, September 12, 2014 by Tenneal*

**7th grade math**

132 1/6 - 99 5/6 evaluate the expression
*Tuesday, September 9, 2014 by reece*

**Math 2 **

Juanita runs every 3rd day and swims every 5th day. If Juanita runs and swims today, in how many days will she run and swim again on the same day?
*Thursday, September 4, 2014 by Stephie*

**Math, Calculus**

The questions says it has 2 solutions. It wants me to find what x would be if cos(x)=-.49 and it is given that x is on the scale between 0 and 2pi. I know that cosine is the x value, and since cosime is negative in this case the two solutions need to be in the 2nd and 3rd ...
*Tuesday, September 2, 2014 by Ali*

**5th grade math**

What is the value of n 9*27+2*31-28=n
*Monday, August 25, 2014 by Mythreyee*

**Programming Logic and Design**

This is my 3rd time posting this problem because I didn't get any help before...assistance would be appreciated. Create the logic for a program that calculates and displays the amount of money you would have if you invested $3000 at 2.65 percent interest for one year. ...
*Friday, August 15, 2014 by Lauren*

**grade 7 maths**

Missing input W+9=14
*Monday, August 4, 2014 by Aphiwe*

**Essay Topic (Synthesis)**

Is the topic of Immigration Reform in the United States to controversial for my synthesis essay? I am writing a synthesis essay for my class, and it is a big portion of my grade. I have a lot of information about Immigration, but I'm afraid the topic will be too ...
*Sunday, August 3, 2014 by Tyler*

**math**

Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term of this sequence is 1, what is the first term?
*Thursday, July 17, 2014 by peter*

**programming oop **

I need a help regarding this. Compute and display the sum o 1st and 2nd number, Difference of sum and 3rd number, product of difference and 4th number, Quotient of product and 5th number using Eclipse Helios. My subject is OOP
*Saturday, June 21, 2014 by Anonymous*

**programming**

I need a help regarding this. Compute and display the sum o 1st and 2nd number, Difference of sum and 3rd number, product of difference and 4th number, Quotient of product and 5th number using Eclipse Helios. My subject is OOP
*Saturday, June 21, 2014 by Anonymous*

**chemistry**

The activation energy, Ea, for a zeroth-order reaction, X-->products, is most readily obtained from the slope of a plot of: (choose from below) -[X] vs time -ln k vs time -rate vs time -[X]^2 vs time -ln[X] vs time -1/[X] vs time -ln k vs 1/T, where T is temperature in -ln ...
*Wednesday, June 18, 2014 by Jin*

**4th grade math**

For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result. Basket ball - 6 soccer-7 hockey - 5 volleyball - 2 suppose all 100 students in the grade were asked to name their favorite sport. how many students would you ...
*Thursday, June 5, 2014 by mythreyee*

**I may fail the 8th grade?**

My home life has been crazy so I missed a lot of school and got bad grades. My anxiety is through the roof right now and i'm shaking a lot. all i need to do is get a 75% in math. and i just can't this is my biggest fear I can't see how life goes on after failing a ...
*Thursday, June 5, 2014 by nonononono*

**statistics**

An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75
*Tuesday, June 3, 2014 by Jodi *

**math **

The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
*Wednesday, May 21, 2014 by edwin*

**Math 8th Grade!!!!**

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Wednesday, May 21, 2014 by Max*

**math 8th grade**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Wednesday, May 21, 2014 by anonymus*

**math**

Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...
*Monday, May 19, 2014 by Anonymous*

**history 11th grade**

Amazon rain forest
*Sunday, May 11, 2014 by anonymous*

** algebra**

The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to represent the unknown value
*Sunday, May 11, 2014 by brian*

**Science**

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
*Sunday, May 4, 2014 by Anonymous*

**Science **

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
*Sunday, May 4, 2014 by Hanna*

**4 the grade math**

What's 3/4 of blank=75
*Tuesday, April 29, 2014 by Elsana*

**history grade 3**

Why did the immigrants have to go to Ellis Island
*Sunday, April 27, 2014 by kathy*

**HELP! 5th grade math**

Trying to help my child in 5th grade. Shannon pours 4 different liquid ingredients into a bowl The sum of the liquid ingredients is 8.53 liters. Two of her measurements are in milliliters and two of her measurements are in liters. Give an example of possible measurements for ...
*Sunday, April 13, 2014 by Sara *

**9th grade math**

4x^2=80x-400
*Tuesday, April 8, 2014 by trent*

**9th grade math**

x^2+8x+16=25
*Tuesday, April 8, 2014 by trent*

**9th grade math**

4m^2-24m+36=0
*Tuesday, April 8, 2014 by trent*

**math - 6th grade**

HELP! How do I solve for x: 4x+2=3x+9
*Thursday, April 3, 2014 by Skylar*

**4th grade math**

What is 1. 2/3 + 3/6 = 2. 3 1/10 + 17/5 = 3. 3 2/6 - 1 5/6 =
*Monday, March 24, 2014 by Mythreyee*

**English **

I'm writing about hearing a certain song can take you back to a moment in your past. I know that the 1st paragraph is thesis and the 2nd is explain what song reflects on past and why. I don't know what i should in include in the 3rd paragraph
*Friday, March 21, 2014 by Anonymous*

**Grade 6 math**

What is 2 to the 2nd power
*Thursday, March 20, 2014 by ronaldo*

**Math (algebra)**

Hi could you please help me with this algebra question. A rectangle has one corner on the graph of y=36-x^2, another at the origin, a 3rd on the positive y-axis, and the fourth on the positive x-axis. Express the area A of the rectangle as a function of x. What is the domain ...
*Wednesday, March 19, 2014 by Kyla Bills *

**technology**

Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? ...
*Friday, March 14, 2014 by Brandi*

**to ms. sue**

what was your 4th grade teacher and why
*Wednesday, March 5, 2014 by tamer*

**6 grade math**

How do you solve this problem: x + 2 1/5 = 7?
*Monday, March 3, 2014 by someone*

**MATH**

Determine the equation of a line that is perpendicular to the line 2x+3y=7 and passes through the point (0,6) What is the volume if the prism in terms of y? 1st dimension: 2y+1 2nd dimension: y 3rd dimension: y+3
*Monday, March 3, 2014 by Anonymous*

**Maths**

I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by 9. The sum of my digits is 18. Each of my digit is different. I’m divisible by 4. I’m less than 6000. My units digit is twice my tens ...
*Monday, March 3, 2014 by Zanele *

**4 grade math**

What is the sum of4/10 and 40/100
*Monday, February 24, 2014 by micaiah*

**Math**

Linda jogs every 3rd day and swims every 4th day. If she is jogging on Monday, what day of the week will she end up jogging and swimming? I say it's Tuesday? Would I be correct?
*Monday, February 24, 2014 by Mike*

**math**

Hadley's softball team has a phone tree in case a game is cancelled.The coach calls 3 players. Then each of those players calls 3 players and so on.How many players will be notified during the 3rd round of calls?
*Thursday, February 20, 2014 by mon*

**math**

The grade of a road is 6%. What is its angle of elevation?
*Thursday, February 20, 2014 by nic*

**MAT-134 Math XL**

Graph the following linear equation using one of the following methods: 1st slope intercept form y = mx + b 2nd table of values 3rd x-intercept and y-intercept 1. 3x + 4y = 12
*Thursday, February 13, 2014 by Billy*

**English**

When you are doing a Bibliography page how can you indent a row that is part of a web site? Part of my web site goes into the 3rd line and it won't let me indent it. Thanks
*Wednesday, February 12, 2014 by Sue*

**economic**

Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give you ...
*Sunday, February 9, 2014 by thiti*

**economic**

10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give ...
*Sunday, February 9, 2014 by thiti*

**12th Grade Vocabulary Antonyms Practice**

Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?
*Saturday, February 1, 2014 by Angela*

**COURSE HELP MEEE**

Hi i want to be a pediatrician when i grw up so what course should i take in college ? im already in 3rd yr high school... in the philippines , as for me , i surpassed the k12 before they implement it and the next yr we our batch will be the lasy 4th yr hgh school students to ...
*Saturday, February 1, 2014 by Joy*

**Maths**

In an A.P ratio of 3rd term and 5th term is 3:7. a)Find the ratio of the 4th and 6th term? b)Find the ratio of the 6th and 12th term?
*Wednesday, January 22, 2014 by Liji*

**statistics**

What is the probability for a: a. Randomly selected person being a male in grade E? b. Randomly selected male being in grade E? c. Why are the results different?
*Sunday, January 19, 2014 by Anonymous*

**Fifth grade math**

If a wom and a sail race who will it be
*Saturday, January 11, 2014 by Doodle *

**statistics**

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...
*Tuesday, December 31, 2013 by Lyndyc*

**linear optimization**

During a summer session a student enrolls in two courses, psychology for four hours and engineering for three hours. The student wants to use the available time to amass the largest number of grade points (numerical grade multiplied by the number of hours). Students who have ...
*Sunday, December 29, 2013 by gemicia*

**physics**

A rock is moving through interstellar space towards a snow ball. Describe the motion of the rock until it hits the snow ball (in terms of Newton’s First Law). According to Newton’s 3rd Law, what will be the reaction to the force of the rock on the snow ball? How ...
*Wednesday, December 18, 2013 by Anonymous*

**language arts**

Identify the appositive phrase in the following sentence. Mrs.Talavera,an eight grade teacher at Rosewood Middle School,led the community meeting about childhood obesity. -Mrs.Talavera -an eight grade teacher at Rosewood Middle School -led the community -about childhood obesity
*Tuesday, December 17, 2013 by Anoymous*

**Math (7th grade)**

I have a math question that I do not really understand how to answer is there someone who can walk me through it? In Pinecrest middle school there are 58 6th graders 76 7th graders, and 38 8th graders. The counsel is made up of 35 students who are chosen to represent all three...
*Tuesday, December 17, 2013 by Shawna*

**Math 5th grade**

what are three equivalent fractions for 6/11 and 6/9 and 5/8
*Monday, December 9, 2013 by Shauna Garrett*

**math**

Ines became the manager of an electronics store. She decided to provide customers with a great holiday deal. A customer will be able to purchase 3 big screen televisions at the following price, the first one at the full price of $750, the second one will be discounted 45% and ...
*Saturday, December 7, 2013 by the queen *

**i need help math**

Ines became the manager of an electronics store. She decided to provide customers with a great holiday deal. A customer will be able to purchase 3 big screen televisions at the following price, the first one at the full price of $750, the second one will be discounted 45% and ...
*Friday, December 6, 2013 by eduarda*

**7th grade mat**

8g+2+4g-2-3g=? (9g)
*Thursday, December 5, 2013 by Anonymous*

**language arts**

Can you write a Biography report using and autobiography book on Andrea Bocelli. The report is due 3rd December, and he is my hero,idol and there are no books biography books in my library on him?
*Thursday, November 28, 2013 by josiah*

**4th Grade Math: Help Is Needed ASAP**

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of 1/8, 1/4, and 3/8? 7...
*Monday, November 18, 2013 by Tim*

**math**

Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.
*Monday, November 18, 2013 by miina*

**Math 8th grade**

Type the missing number. -25 -23 -22 -21
*Saturday, November 9, 2013 by greg*

**science **

apa style more references identify at least seven different problems with the following reference and the re-write the reference in its proper form Doherty, Sam; Ames, Leslie; & Clark, David. (2003). The Effects of Music on Perceptual Tasks, in H. Burns (Ed.), The effects of ...
*Monday, November 4, 2013 by eid2013*