Saturday

February 28, 2015

February 28, 2015

Post a New Question | Current Questions

**math**

the 1st branch produced 1 orange. the 2nd branch produced 2 oranges, the 3rd branch produced 4 oranges, the 4th branch produced 8 oranges and the 5th branch produced 16 oranges. how many oranges will the 10th branch produce?
*Tuesday, February 10, 2015 at 9:39am*

**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 at 1:49pm*

**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 at 12:54pm*

**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 at 8:45pm*

**grade 6 math**

13 more than product of m and 5
*Wednesday, January 21, 2015 at 7:16pm*

**Grade**

If there are 70 questions and you get an 80 how many did you miss
*Thursday, December 18, 2014 at 9:42pm*

**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 at 1:14pm*

**5th grade math **

how do i simplify
*Thursday, December 4, 2014 at 10:02am*

**Biology**

I think this is a shot in the dark, but worth a try. I have the Biology: Life on Earth by Audesirk, Audesirk & Byers 10th edition bought used online, apparently there are some pages missing in the book, so I can't do my homework, if anyone has the book could, you help me ...
*Saturday, November 22, 2014 at 8:02pm*

**idk **

what grade level is physics??
*Thursday, October 9, 2014 at 1:44pm*

**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 at 11:21pm*

**Grade**

What is my grade if I have two 100's and two 70's
*Tuesday, September 9, 2014 at 8:34pm*

**government**

Originalists often hold that it is incorrect to use the Equal Protection Clause of the Fourteenth Amendment to strike down laws that discriminate because? 1 it runs contrary to the 10th Amendment. 2 laws that discriminate must be said to reflect the will of the majority. 3 it ...
*Friday, September 5, 2014 at 9:22pm*

**5th grade math**

What is the value of n 9*27+2*31-28=n
*Monday, August 25, 2014 at 6:54pm*

**log 101**

An 80% learning curve has been observed for the production of the MEERKAT system. If the 5th production unit''s recurring cost is $1 million, what will be the recurring cost for the 10th production unit? Assume that the production line is continuous and that the ...
*Friday, August 15, 2014 at 12:17am*

**grade 7 maths**

Missing input W+9=14
*Monday, August 4, 2014 at 12:53pm*

**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 at 12:37am*

**programming**

Professor Merlin has asked you to help him. He has 5 students who have taken four tests. He wants a program where he can enter the students name and their four test scores. After entering all 5 students then he wants a grade report printed showing the student name and their ...
*Thursday, July 24, 2014 at 12:16am*

**statistics**

If you are told the mean grade in ECON 2023 is 80 with a standard deviation of 5, what is the probability that if you randomly selected 36 students you would find an average grade of 82 or more? I found the Z-score: 82-80/5 Which gave me .6554 then 1-.6554=.3446 So 34% would ...
*Sunday, July 6, 2014 at 1:32pm*

**algebra 2**

The height of an arrow shot in the air is given by the function h(t)=-16t^2+144t+24, where h(t) represents the height in feet, and t represents the time in seconds. what is the maximum height of the arrow? how long does it take to reach the maximum height? how long does it ...
*Monday, June 16, 2014 at 12:08am*

**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 at 7:37pm*

**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 at 3:24pm*

**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 at 7:36am*

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

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Wednesday, May 21, 2014 at 6:56am*

**math 8th grade**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Wednesday, May 21, 2014 at 6:49am*

**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 at 10:21am*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
*Friday, May 9, 2014 at 9:07am*

**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 at 2:18pm*

**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 at 10:52am*

**4 the grade math**

What's 3/4 of blank=75
*Tuesday, April 29, 2014 at 11:35pm*

**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 at 10:43pm*

**9th grade math**

x^2+8x+16=25
*Tuesday, April 8, 2014 at 10:56pm*

**9th grade math**

4m^2-24m+36=0
*Tuesday, April 8, 2014 at 10:51pm*

**Math 11**

I am really stuck at these 4 questions. Pls help: a) Two spheres of the same density have a ratio of 9 to 16 inches in surface area, If the small sphere weighs 15 kg what does the sphere weighs. Answer to the nearest 10th of KG. b) The ratio of the volume of two cubes is 216 ...
*Monday, April 7, 2014 at 4:19pm*

**math - 6th grade**

HELP! How do I solve for x: 4x+2=3x+9
*Thursday, April 3, 2014 at 6:48pm*

**MATH**

you have a pair of newborn hamsters. each pair that is at least one month old produces a new pair every month. at this rate, you will have 178 hamsters at the end of what month? (The math relay officials said the 10th month but I think that it should be the 8th)
*Tuesday, March 25, 2014 at 10:11am*

**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 at 6:14pm*

**Grade 6 math**

What is 2 to the 2nd power
*Thursday, March 20, 2014 at 5:53pm*

**to ms. sue**

what was your 4th grade teacher and why
*Wednesday, March 5, 2014 at 11:09pm*

**sue**

Time (s): 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position: 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the negative ...
*Wednesday, March 5, 2014 at 6:03pm*

**help i have no idea!!!!!!**

Time (s) 0 1 2 3 4 5 7 8 9 10 Δ X (m/s) Position 0 3 7 12 17 24 22 17 14 14 1. Graph the table above (include title, label the independent (x) and dependent variable (y), use the proper scale) 2. Identify on your scale the positive acceleration and the negative ...
*Wednesday, March 5, 2014 at 6:02pm*

**6 grade math**

How do you solve this problem: x + 2 1/5 = 7?
*Monday, March 3, 2014 at 10:36pm*

**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 at 5:03am*

**american government**

In Gibbons v. Ogden, the Supreme Court held that (Points : 1) states’ rights to regulate may not trample on powers specifically reserved for Congress. states’ rights supersede national authority. the national government does not have interstate commerce authority. ...
*Friday, February 21, 2014 at 5:00pm*

**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 at 12:24am*

**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 at 12:18am*

**12th Grade Vocabulary Antonyms Practice**

Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?
*Saturday, February 1, 2014 at 3:17pm*

**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 at 11:23pm*

**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 at 8:07pm*

**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 at 10:45am*

**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 at 8:30pm*

**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 at 3:42pm*

**7th grade mat**

8g+2+4g-2-3g=? (9g)
*Thursday, December 5, 2013 at 11:57pm*

**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 at 8:21pm*

**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 at 12:02pm*

**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 plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s right to safety. Shannon is (3)endowed ...
*Wednesday, October 23, 2013 at 2:36am*

**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 at 11:50pm*

**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 at 11:42pm*

**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 at 8:58pm*

**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 at 5:41pm*

**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 at 10:42pm*

**grades**

your average grade if you get a b- then you get a d+ ?
*Thursday, September 26, 2013 at 5:45pm*

**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 at 9:10pm*

**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 at 9:18pm*

**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 at 8:21pm*

**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 at 10:47pm*

**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 at 9:49pm*

**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 at 2:12am*

**statistics**

1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was:
*Sunday, August 11, 2013 at 2:58am*

**Statistics Help !!!!**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Friday, July 19, 2013 at 2:08am*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Tuesday, July 16, 2013 at 6:19am*

**Statistics Help !! **

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Sunday, July 14, 2013 at 1:03am*

**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 at 2:48pm*

**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 at 5:47pm*

**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 at 11:43am*

**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 at 7:48pm*

**maths**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question,true if heads and false if tails). What is the chance ...
*Saturday, April 27, 2013 at 3:25am*

**?**

If there are 56 questions and you miss 10 what would your grade be? Your grade would be a 81.88 I divided 100/56 and got 1.78 than I multiplied how many questions I would get right by 1.78. So 46x1.78=81.88
*Wednesday, April 24, 2013 at 5:33pm*

**4th grade math**

4 1/4 minus 1 3/4
*Monday, April 22, 2013 at 9:03pm*

**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 at 7:16pm*

**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 at 10:31pm*

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...
*Saturday, April 6, 2013 at 7:24pm*

**Algebra 8th grade**

3a + 5b = 70 6a + 9b = 135
*Monday, April 1, 2013 at 5:44pm*

**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 “grade” relate to...
*Monday, April 1, 2013 at 9:17am*

**10 grade algebra**

solve 10(x+5)=130
*Tuesday, March 26, 2013 at 7:29pm*

**10 grade algebra**

Solve the equation 2(x =10)=80
*Tuesday, March 26, 2013 at 7:05pm*

**English**

i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...
*Monday, March 11, 2013 at 12:50pm*

**6th grade math**

n/4+32=72
*Tuesday, February 26, 2013 at 7:36am*

**5th grade math**

Is 3/9 <,>,= to 9/14?
*Monday, February 25, 2013 at 7:13pm*

**6 grade math**

(100-7•2+3)÷10 =
*Tuesday, February 12, 2013 at 10:33pm*

**math 4th grade **

my mistake will it be 8
*Tuesday, February 12, 2013 at 4:36pm*

**statistics**

this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
*Sunday, February 10, 2013 at 10:42pm*

**Math**

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...
*Saturday, February 9, 2013 at 4:04pm*

** math**

franklin school has 3 boys for every 4 girls in the fifth grade.there is 140 students in the fifth grade. A. how many are boys and how many are girls??? pleassseee helpppp meeeeee!!!!
*Saturday, February 2, 2013 at 12:12pm*

**Math**

There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?
*Monday, January 28, 2013 at 9:00pm*

**6 grade Math**

How do I divide this ... 3 divided by 1/2
*Wednesday, January 23, 2013 at 6:23pm*

**4th grade math**

How do you solve 41/2-1/4=?
*Sunday, January 20, 2013 at 4:22pm*

**9TH GRADE MATH**

IF C=2M+D THEN M=
*Tuesday, January 15, 2013 at 5:43pm*

**math 7 th grade asap **

6(b-4)=
*Monday, January 14, 2013 at 10:03pm*

**9th grade algebra**

2x^2+5x+2
*Thursday, January 10, 2013 at 9:24pm*

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