Monday

January 16, 2017
**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) Ã· 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 Question**

the 5th term in a geometric sequence is 160. The 7th term is 40. What are the possible values of the 6th term of the sequence +70 70 +80 80

*Monday, May 19, 2014 by kristi*

**algebra 2**

What is the 20th term of the sequence that begins -3,6,-12,24? A. 524,288 B 524,288 C. 1,572,864 d. 3,145,728 The term in a geometric sequence is 160. the 7th term is 40. What are the possible values of the 6th term of the sequence? You roll a standard, six sided number cube. ...

*Monday, May 19, 2014 by Multiple choice please help*

**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*

**English**

Coins Coins were first invented in the 7th century B.C.. in Lydia. They were made from gold and silver. People made coins of different sizes and gave them different values. Coins were good in many ways. First, they could be carried easily. Second, they made exact exchanges ...

*Wednesday, May 14, 2014 by rfvv*

**history 11th grade**

Amazon rain forest

*Sunday, May 11, 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 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*

**Data math help 7th**

Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer chocolate ice cream?

*Thursday, May 1, 2014 by moby*

**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*

**3rd grade math**

Explain how you know 6/6 and 1 are equivalent?

*Tuesday, April 8, 2014 by Lindsey*

**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*

**Grade 6 math**

What is 2 to the 2nd power

*Thursday, March 20, 2014 by ronaldo*

**Science**

How many minutes are required for a radio signal to travel for Earth to a space station in Mars if the planet Mars is 7.83 x 10 to the 7th km from Earth?

*Thursday, March 20, 2014 by Mark*

**math 7th**

a right triangular prism has a length of 11 units.Its right triangle face has legs of 3 and 4 and a hypotenuse of 5. what is the surface area of the right triangular prism.

*Tuesday, March 18, 2014 by nazalynn*

**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*

**4TH GRADE MATH**

MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES HAD ALREADY BEEN EATEN...

*Wednesday, February 26, 2014 by DARRYL*

**4 grade math**

What is the sum of4/10 and 40/100

*Monday, February 24, 2014 by micaiah*

**math**

The grade of a road is 6%. What is its angle of elevation?

*Thursday, February 20, 2014 by nic*

**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*

**Math:A.P.**

The 1st,3rd and 9th terms of an A.P are the three terms of a G.P.if the 7th term of the A.P is 19.calculate the 20th term of the A.P and the sum of the first 12terms of the G.P(LEAVING YOUR ANSWER IN INDEX FORM)

*Thursday, February 6, 2014 by Miracle*

**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*

**statistics**

What is the probability for a: a.Â Â Â ;Â Â Â Randomly selected person being a male in grade E? b.Â Â Â ;Â Â Randomly selected male ...

*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 *

**LA....help!!!????**

Someone from connections academy 7th grade gifted and talented LA??!!! help! check answers, dunno whether to send in or not!! 1. Which of the following statements about "3BCB: Three" by Clay Bennett is NOT true? (1 point) the cartoonist is concerned about the ...

*Tuesday, January 7, 2014 by TTR+S<3*

**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*

**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 5th grade**

what are three equivalent fractions for 6/11 and 6/9 and 5/8

*Monday, December 9, 2013 by Shauna Garrett*

**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*

**math 5th grade**

How to solve 547X73

*Friday, November 1, 2013 by hannah*

**math 5th grade**

How to solve 547X73

*Friday, November 1, 2013 by hannah*

**english**

Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plantâ€™s license to be (2)nullify. They say the plant infringes on every homeownerâ€™s right to ...

*Wednesday, October 23, 2013 by Franny*

**Geology**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...

*Thursday, October 17, 2013 by Matt*

**Geogoly**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...

*Thursday, October 17, 2013 by Matt*

**Pre Algebra**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...

*Thursday, October 17, 2013 by Ry*

**Survey Math **

A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...

*Saturday, October 12, 2013 by Alex*

**math**

I need help on study links 2.9 for 5 grade

*Thursday, October 10, 2013 by tony*

**6th grade math**

6 1/2-7/8 / 5 11/16 evaluate the expresson

*Monday, October 7, 2013 by rupa*

**Exponents and division 8th grade**

x^4/x^16 i don't know 12^10/12^2 12^8 5n^14/20n^7 i don't know 6^8/6^8 1 a^9b^5/a^3b^15 i don't know /=divided by

*Monday, October 7, 2013 by rockrboigurlluvr14*

**Shurley English Grade 4**

I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks

*Wednesday, October 2, 2013 by Brayden*

**Second Grade Reading**

Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?

*Saturday, September 28, 2013 by Qiayamah*

**grades**

your average grade if you get a b- then you get a d+ ?

*Thursday, September 26, 2013 by rockrboiluvr14*

**12th grade chemistry **

What is the structure for ethyl ethanamide? (Ie. c-c-N-c-c) ??? Thanks

*Tuesday, September 24, 2013 by Michaela*

**8th Grade Math**

25/50 x 60/70 x 100/200= 72 6/7

*Tuesday, September 24, 2013 by Nick*

**statistics**

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84

*Monday, September 23, 2013 by roy*

**math grade 10 **

Solve 3p-6q = 0 4p+1q = 3 Using any method Thank you!!!!

*Monday, September 23, 2013 by rose*

**Life Science**

Im doing 7th grade life science. (im 13.) I need to make sure my answers are right because my homework is being graded. I think i have most of them right but we'll see. I DO NOT want you to tell me the answer to my homework. I just want you to tell me if its wrong or not. ...

*Friday, September 13, 2013 by Holley*

**pre-algebra**

There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?

*Thursday, September 12, 2013 by Fernando*

**health 5 grade**

i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...

*Friday, September 6, 2013 by niki*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

*Wednesday, September 4, 2013 by Anonymous*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

*Wednesday, September 4, 2013 by Anonymous*

**Math 6th grade**

Can you give me a word problem for 11/12 / 1/4?

*Tuesday, September 3, 2013 by Lauren*

**math**

what does the word array mean in 3rd grade

*Friday, August 23, 2013 by abenezer*

**math**

Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold

*Monday, August 12, 2013 by Anonymous*

**grade 4 math**

exponential form of 59,187

*Thursday, June 20, 2013 by jexzey heily*

**9th grade math**

Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2

*Tuesday, June 4, 2013 by elia*

**Music**

23. If the fourth chord of a note is a seventh above the root, the chord is: a. a 7th chord b. a triad c. non-tertian d. a 4th chord Not sure 33. The inversion of triads can be written with roman numerals and a. letters b. small numbers c. percentage signs d. tiny stars B?

*Saturday, June 1, 2013 by mysterychicken*

**5th grade math**

what is the common denominator to 3/5, 1/3, and 1/6

*Tuesday, May 28, 2013 by Kim*

**arithmetic**

there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.

*Tuesday, May 14, 2013 by Hussain*

**Science**

A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?

*Wednesday, May 8, 2013 by Anjali*

**stats**

It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...

*Wednesday, May 8, 2013 by Anonymous*

**5th grade math**

What is 508 times 7?Thanks if you help:)

*Monday, May 6, 2013 by Kim*

**Math**

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...

*Wednesday, May 1, 2013 by Ann*

**Math**

A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your ...

*Wednesday, May 1, 2013 by MADISON*

**Biology **

Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.

*Monday, April 29, 2013 by Sarah*

**Math 7th Geometery**

I have a complex figure like a U shape. I understand the formula for this is l x w = a Can you show me the steps? 31m is parael to 31m this would be the height (sides of the U)?? or is this the width? Length 69m Width is on the right top of U 23m. Inside the middle of the ...

*Wednesday, April 24, 2013 by Max*

**math 7th**

When the temperature is 68Â°F, the speed of sound in air is approximately 343 meters per second. Approximately how many kilometers does sound travel in five seconds? Can some one help with the steps?

*Wednesday, April 24, 2013 by Chris*

**Psychology**

Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why? Answer ...

*Tuesday, April 23, 2013 by J.J*

**4th grade math**

4 1/4 minus 1 3/4

*Monday, April 22, 2013 by jordyn*

**3rd grade math**

What does 5 fracture each 1/2 mean?

*Thursday, April 18, 2013 by James*

**Math**

Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...

*Wednesday, April 17, 2013 by Jerald*

**programming**

Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...

*Tuesday, April 16, 2013 by Shirley*

**arithmetic**

If the first term of an arithmetic sequence is 2 and the 7th term is 3278, what is the common difference?

*Tuesday, April 16, 2013 by Anonymous*

**math 4th grade**

how do you add 2/3 plus 5/8

*Tuesday, April 16, 2013 by daniel*

**5th grade math**

I don't get it! /is 20 times 5/6 greater than or less than 20

*Monday, April 15, 2013 by Sky*

**Probabilities**

In a cookie jar, there are 6 chocolate cookies and 8 oatmeal cookies. I take out the cookies one at a time and proceed to eat them. The probability that the 7th cookie that I eat is a chocolate cookie is a/b, where a and b are positive coprime integers. What is the value of a+b?

*Tuesday, April 9, 2013 by Anna*

**Probability**

In a cookie jar, there are 6 choco chip cookies and 8 oatmeal cookies. Kim takes out the cookies one at a time and proceeds to eat them. The probability that the 7th cookie that Kim eats is a choco chip cookie is a/b, where a and b are positive coprime integers. What is the ...

*Monday, April 8, 2013 by Kim*

**3rd Grade Math**

What is the sum of 4/10 and 55/100

*Wednesday, April 3, 2013 by Gillian*

**Algebra 8th grade**

3a + 5b = 70 6a + 9b = 135

*Monday, April 1, 2013 by Anon*

**pre calculus**

If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the â€œgrade&...

*Monday, April 1, 2013 by sharon*

**algebra 10th grade**

Solve for x? 0 = -9/5 x -9

*Thursday, March 28, 2013 by mary*

**7th Grade Science**

1. A person's belief that he or she needs a drug to feel good or function normally (1 point) addiction psychological dependence emphysema tolerance 2. A large, dome-shaped muscle below the lungs (1 point) trachea alveoli diaphragm emphysema 3. Smoke that is inhaled and ...

*Thursday, March 28, 2013 by Anonymous*

**10 grade algebra**

solve 10(x+5)=130

*Tuesday, March 26, 2013 by mary*

**10 grade algebra**

Solve the equation 2(x =10)=80

*Tuesday, March 26, 2013 by mary*

**3rd grade math**

which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4

*Wednesday, March 20, 2013 by mythreyee*

**3rd grade math**

which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6

*Wednesday, March 20, 2013 by mythreyee*