Saturday

October 22, 2016
**Math**

In a group of 9 coins, one is fake and weighs slightly less. What is the fewest number of times you need to use a pan balance to find the counterfeit coins? (A pan balance is a scale used to measure weights, where weights are placed in two pans. The heaviest pan will go down ...

*Tuesday, February 3, 2015 by Erika*

**statistics**

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**

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*

**Civics**

The 1st step in adding an amendment to the constitution is the amendment being? Sent to the state legislatures by the president Voted upon by the voters of the united states Proposed by a two-thirds vote of both houses of congress Passed by three - fourths of the sate ...

*Monday, January 19, 2015 by jeje*

**Math 7th grade**

1/15 =3/5m For my answer, I put m= 1/5 Is that correct?

*Wednesday, January 14, 2015 by Tam*

**Civics**

Lloyd enjoys deer hunting. He goes into local store to purchase a new gun. Which amendment to the Constitution ensures Lloyd's ability to purchase a new gun? 5th amendment 1st amendment 9th amendment 2nd amendment

*Tuesday, January 6, 2015 by jeje*

**Civics**

Lloyd enjoys deer hunting. He goes into local store to purchase a new gun. Which amendment to the Constitution ensures Lloyd's ability to purchase a new gun? 5th amendment 1st amendment 9th amendment 2nd amendment

*Tuesday, January 6, 2015 by jeje*

**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*

**Chemistry**

An archeological artifact was subjected to radiocarbon dating. The artifact showed a carbon-14 decay rate of 13.8 disintegrations/ min per gram of carbon. Carbon-14 has a half-life of 5715 years, and currently living organisms decay at the rate of 15.3 disintegrations/ min per...

*Friday, December 5, 2014 by Rachel*

**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*

**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*

**arithmetic**

the 20th sum of an arithmetic progression is -7 and the sum of the first 20 terms is 620. find the 1st and 30th terms i am looking at using S20 = a(1-rn)/l-r = 620. but i am reallys tuck and think i am very wrong. please help.

*Saturday, November 8, 2014 by livvy*

**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*

**Math**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.33*0.1667 ?

*Monday, October 20, 2014 by Eric*

**Math**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.33*0.1667 ?

*Sunday, October 19, 2014 by Ashley*

**Probability**

If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.5*0.33*0.1667 ?

*Sunday, October 19, 2014 by Ashley*

**3 grade math**

How can I find the area of an angle?" How do you respond?

*Tuesday, October 14, 2014 by Ellie*

**Math**

I need an expiation on a math concept, because I know the right answer, I just don't know why it is The problem says to find the absolute maximum and minimum of the function f(x)=x^3-12x over the interval [-5, 2] I found the 1st der. 3x^2-12 and set equal to zero, got the ...

*Thursday, October 9, 2014 by Eiban*

**idk **

what grade level is physics??

*Thursday, October 9, 2014 by Aluminum<3 Helping & C.S.I ♪♫*

**Math**

1. Find the 11th term of the geometric sequence 64, -32, 16, -8, … . 2. Find the 1st term of a geometric sequence with a 10th term -1024 and r = -2. 3. Find the sum of each infinite geometric series, if possible. a. 10 + 2 + 2/5 + ..... b. 1.2 – 2.4 + 4.8 – 9.6...

*Tuesday, October 7, 2014 by Brianna*

**5th grade math**

What percent more than 2 is 16/5? Help me please

*Friday, October 3, 2014 by Righteous *

**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*

**sixth grade math**

3 3/5 * 5/6 = 90/45 Do I have correct answer?

*Wednesday, September 24, 2014 by Kris*

**physics**

a bus travels 280 km south along a straight path with an avg velocity of 88 km/h to the south. then it travels 210 km south with an avg velocity of 75 km/h to the south. a) how long does the 1st trip last? b) how long does the 2nd trip last? c) what is the avg velocity for the...

*Sunday, September 21, 2014 by nicole*

**4th grade math**

GCM OF 12 and 20. Please explain

*Wednesday, September 17, 2014 by Jay*

**Grade 9 Math**

how would you expand: -(w - 30)^2 + 80w + 600

*Friday, September 12, 2014 by Tenneal*

**Math**

If a compact body falls vertically 16 ft. during the 1st second, 48 ft. during the 2nd second, and 80 ft. during the third second, how far will it fall during the 7th second? During the first 7 seconds?

*Tuesday, September 9, 2014 by Ryzza*

**Algebra**

1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 2. In the sequence 2, 6, 10, … , what term has a value of 106? 3. Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .

*Tuesday, September 9, 2014 by Ruby*

**7th grade math**

132 1/6 - 99 5/6 evaluate the expression

*Tuesday, September 9, 2014 by reece*

**5th grade math**

What is the value of n 9*27+2*31-28=n

*Monday, August 25, 2014 by Mythreyee*

**Algebra**

This question never got answered and I would appreciate it if someone could take a look at it. Simplify 12(6^/(5^-4^) + 7 My thoughts 12(36/(5^-4^) + 7 12(36/9) + 7 12 (4) + 7 12 * 11 132 Algebra - Steve, Saturday, August 23, 2014 at 11:49pm Your notation is weird. 5^-4 = 1/5^...

*Sunday, August 24, 2014 by Faye*

**Algebra**

You made 2 deposits to your bank account this month. 1 deposit was $17.92 and the 2nd was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. What expression shows your balance at the beginning of the month? My thoughts ending balance = $72.31 ...

*Saturday, August 23, 2014 by Faye*

**math**

what is the base 10 of 469 3rd grade

*Thursday, August 21, 2014 by heidi*

**Literature**

This essay should have 5 paragraphs. In the 1st paragraph it must contain: Attention-grabbing beginning. Description of issue. Opinion Statement. In the 2,3, 4 paragraph should contain: Different reasons for each paragraph. Evidence to support. In the 5th Paragraph it should ...

*Wednesday, August 20, 2014 by Cessy*

**Literature**

Write an essay on "Do You Agree with Capital Punishment? This essay should have 5 paragraphs. In the 1st paragraph it must contain: Attention-grabbing beginning. Description of issue. Opinion Statement. In the 2,3, 4 paragraph should contain: Different reasons for each ...

*Wednesday, August 20, 2014 by Raj Patel*

**Algebra 2**

A species of bees make hexagonal, 6 sided, honeycombs.The bees begin with on hexagonal cell then make successive rings of hexagonal cells around the initial cell. Make a table of values for the number of cells in each of the first 8 rings (1st ring, 2nd ring, etc..) after the ...

*Thursday, August 7, 2014 by Nan*

**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*

**arithmetic**

a guy bought some fish from a farm.during 1st week 1/8 of fish died ,in next 2 weeks 3/5 of the remaining died.what fraction of the original fish died in last three weeks

*Thursday, July 3, 2014 by Imran Qureshi *

**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*

**Math**

1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?

*Sunday, June 15, 2014 by Annika*

**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 *

**Calculus**

A cable is suspended from two towers with a distance of 100m between them. The 1st tower has a height of 50m and the 2nd tower has a height of 70m from the ground. The lowest part of the cable has a distance of 47m from the ground. Find the length of the cable

*Sunday, May 25, 2014 by zxc*

**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*

**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*

**POL201**

Fredick Winslow Tylor was concern with all but the following a. making workers feel appreciated b. making 1st class worker out of 2ne class worker c. efficiency d. good management

*Monday, April 28, 2014 by Ella*

**Calculus**

The following are about an infinite region in the 1st quadrant between y=e^-x and the x-axis. B)Find the volume of the solid generated by revolving the region about the y-axis Part A was solved below. Does anyone know how to do Part B?

*Sunday, April 27, 2014 by Tim*

**Calculus**

The following are about an infinite region in the 1st quadrant between y=e^-x and the x-axis. A) Find the area of the region B)Find the volume of the solid generated by revolving the region about the y-axis

*Sunday, April 27, 2014 by Tim*

**history grade 3**

Why did the immigrants have to go to Ellis Island

*Sunday, April 27, 2014 by kathy*

**Physics 194**

Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. The 1st order bright band is located 0.26m from the central maximum. Light from a second source produces a band 0.21m from the central maximum. Determine the ...

*Friday, April 25, 2014 by BULturp*

**math**

The account balance on April 1st is $50.51. On April 15th a payment of $15.00 is made. On April 25th a purchase of $19.27 is made. The annual rate is 18%. What is the finance charge using the previous balance method? What is the new balance?

*Monday, April 14, 2014 by Anonymous*

**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*

**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*

**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*

**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 *

**Science**

The slevator starts at 1st floor and accelerated 1m/s^2 for 6 seconds and continues at a constant velocity for 12 seconds more and is then stopped in 4 seconds with constant deceleration. If the floors are 3 meters apart at what floor does the elevator stops?

*Sunday, March 2, 2014 by Thor*

**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*

**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. 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 *

**Physics help**

I'm trying to calculate the tension in a rope. The two ropes are holding up a picture frame that is 100N, each rope is at a 45 degree angle. I'm trying to find the value of the tension of the 1st rope. Please help

*Friday, January 10, 2014 by unknown*

**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 (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*

**physics**

An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Two seconds later, another automobile leaves the station and accelerates at a constant rate of 2 m/s^2 in the same direction as the 1st automobile. How soon does the 2nd automobile overtake the ...

*Monday, December 16, 2013 by caisip*

**Mathematics**

The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms

*Wednesday, December 11, 2013 by Jamiu*

**Math 5th grade**

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

*Monday, December 9, 2013 by Shauna Garrett*

**7th grade mat**

8g+2+4g-2-3g=? (9g)

*Thursday, December 5, 2013 by Anonymous*

**finance**

your finance text book sold 47,500 copies in the 1st year the publishing company expects the sales to grow at a rate of 23.0 percent for the next three years and by 12.0 percent in the fourth year calculate the total number of copies that the publisher expect to sell in year 3...

*Wednesday, December 4, 2013 by Anonymous*

**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*