# 9th Grade

**Math**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

**physics**

After a jump, a skydiver reaches terminal speed in 10 seconds. Does he gain more speed during the first second of fall or the ninth second of fall? which of these two seconds (1st or 9th) will he fall the greater distance?

**Accounting**

How do I post an adjusted entry for the following: The company prepaid its 9th month rent agreement on 6-1-2010 and prepaid its 6th month insurance policy on 12-1-2010.

**math**

the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term

**math**

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade

**Algebra 2 (Linear Programming)**

The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...

**Algebra**

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

**College**

Is Harvard is really the best college ? also what high school grades are require to get to Harvard ??? When I be a 9th grader will they prepare me for SAT ???

**7 th grade math**

if all my grades are above an 80 how will a 38 affectn my grade.

**programming**

2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a 10 ...

**English**

I tried to summarize briefly Scotland's history. Can you please have a look at it? Which form is correct: in 9th century/in the ninth century? 6th century (AD): 500-599 (is it correct?) 9th century (AD): 800-899 10th century: 900-999 1) The first inhabitants of Scotland were ...

**Math**

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.

**Algebra**

In a class of 110 students, 22 received the grade of A. what fraction of the students did not receive the grade A?

**math**

a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form

**math**

on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study to get a grade of 96 and go to the mall for 17 hours? grade varies directly with studying and inversely with going to the mall. is the answer 48hrs?

**Am. History**

this is not a homework question but we are studying the Bill of Rights and my question is what, in laymans terms, is the significance of the 9th amendment? i have googled it and read many articles but i still can't get what it means. any information would be appreciated.

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

**algebra 2**

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible. Log of 7(p to the 5th root q to the 9th root) / t²

**10th Grade Chemistry**

I struggle in the sciences and was wondering what I could do over the summer self studying wise to prepare for 10th grade chem?

**grammar**

When posting dates on a sign is it August 9-10 or August 9th - 10th?

**English**

Could you please check this sentence for me? I am interested in student writing exchanges but my students are in first grade. How old are first-grade students? (This is a real question)

**english**

i am not able to find a a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines on net. poem should be of class 9th level can u help me please... regards yash sethia

**english**

a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines poem should be of class 9th level

**arithmetic**

The 9th term of an A.p is 32 while the12th termis70.find the sum of it 20th term

**math**

if i had a 66 in bim and my teacher puts a 100 in the grade book what will be mi grade

**math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

**Good Reads? 6th and 7th grade**

Please. I need a list of Non-fiction books recommended for 6th and 7th grade readers. Thank you and have a nice day. God bless! <3

**8th grade science**

What is the reprodution in bacteria, prokaryotic cells, called? A. Mitosis, B. Binary fission, C. Interphase, or D. Fusion. Thank you for helping! I need this because it's for my 9 weeks exam study guide which counts for a whole lot of my grade. Thanks!

**2nd Grade Math**

What is the best way to explain 2nd grade kid, how to find one fourth of 7

**statistics**

After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Green’s Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass Ms. Green’s course if...

**Physical Science**

Hi... well anyways so I am in 7th grade but I'm taking 8th grade science...I think...I know for sure that I am in Accelerated 7th grade science so if that helps at all, there you go:) Back to the subject I'm really confused with acceleration calculation and velocity, time, ...

**math**

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.

**math**

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.

**math**

4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power

**math**

There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.

**US History**

Hello! I have an assignment where I have to rewrite the Bill of Rights in modern english. I've been able to do most of them, but I'm stumped on the 9th amendment. "The enumeration in the Constitution of certain rights shall not be construed to deny or disparage others retained...

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?

**6th grade science**

What are Newton's three laws on motion in sixth grade lingo?

**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

**software**

I want a conclusion on system & app. Software for my i.t. Project. Not big but small i.e. A paragraph for class 9th

**chemistry**

What would the wavelength of radiation whose frequency is 5.75*10 to the 9th cycles per second be? Name the type of radiation it is?

**5tth grade math**

every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.

**math**

The third and seventh terms of an arithmetic sequence are 10 and 20. 1) What is the value of the 1st term? 2) What is the value of the 9th term? 3) What is the equation to find the nth term in the sequence? HELP!! PLEASE!!

**MATH**

WHAT IS THE LCM OF 21X TO THE 7TH POWER AND 147X TO THE 9TH POWER

**algebra**

A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this

**math**

i am having difficulties figuring this out.... a ball has dropped from a height of 15m and bounces 60% of the previous height. the total distance ball travels after the 9th bounce is... i got this equation done but i do not know how to calculate this to find the answer 15(0.6^...

**physical science**

How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.

**third grade hw help**

My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!

**9th algebra**

You store square notepaper in cube-shaped box with an inside edge length of 3 inches. What is the volume of the box?

**7th grade**

Okay, so what are the axiom names? (honors math) Should this go in the 8th grade place? Oh well...

**5th grade**

how to do a double line graph with 2 superbowl teams scores with their mode median,and range for the first seven games. this is so hard for fifth grade. i need help

**math**

franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade. A.how many are boys B.how many are gorls

**math**

franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?

**Computer Programing & Logic Design**

Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...

**5th grade**

what are the answers to the 5th grade unit 1 test harcourt

**9th grade algebra**

The table shows the ammount ( IN dollars) spent by a household on plans and flowers in certain years. ( Time interval means to give a range of years) A) Determine the time interval during which the amount spent on plans showed the least rate of change. B) Determine the time ...

**5th grade**

My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.

**9th**

The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?

**english**

I'm a 8th grade student and i need to write a Proffesional Business letter to My 7th grade english Teacher can you help?

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students

**3rd grade**

Make a tally chart for the number of students in the third, fourth, and fifth grade classes: 26,25,27,27,26,28,27

**Statics for Engineers**

Knowing that the coefficient of static friction between the collar and the rod is 0.35, determine the range of values of P for which equilibrium is maintained when theta = 50 degrees and M = 20 Nm. From 9th edition Beer, Johnston Vector Mechanics for Engineers Statics

**6th grade**

What is the simple and complex for this sentence. Making a bad grade on such an easy spelling test is such an embarrassment.

**math**

from a base elevation of 8600ft a mountain peak in Colorado rises to a summit elevation of 14660ft over a horizontal distance of 15838ft find the grade of the peak . the grade of the peak is ? %

**6th grade science**

I recently posted a 6th grade science question at 9:11 p.m. Can someone take a look at it for me. Thank you in advance!

**Sep.11/01**

Tomorrow will be the 9th anniversary of the worst terrorist attacks on American soil, when the Twin Towers were destroyed, the Pentagon was attacked, and Flight 93 crashed into a field in Pennsylvania. Did the terrorists wanted to kill the former Secretary of Defense at that ...

**8th grade Math**

I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) ______________________ 27mn 3a·4a(4 ...

**Advise**

Ok, I am going to grade 12 and my university requires a 90% for advanced functions. In grade 11, I got a 78% with no tutoring. Is there who is willing to help me free of cost for tutoring or even websites that would help me.

**physics**

The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead? 1. 10 to the 34th power 2. 10 to the 19th power 3. 10 to the 24th power 4. 10 to the 29th ...

**Language Arts**

When I'm using 'grade' in a sentence, would it be capitalized? I.e. Jorge is in Grade 9? PS I'm Canadian, so maybe no US grammar rules?

**geometry**

10x(to the 5th power)y(to the 4th power) over 15x(to the third power)y(tothe 9th power)

**Websites for Third Grade**

Can you give me some websites to study for 3rd grade is these areas? Social Studies,English Language Arts, Math,Science

**7th grade**

I was wondering if there were any sample placement tests that I could give to my son who is currently in 7th grade homeschool.

**Math**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% ---------- 5% 100% ---------15% 95% --------- 15% 90% -----------5% 94.5% --------60% I multiplied the total grade by the percent, then ...

**Statistics**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% 5% 100% 15% 95% 15% 90% 5% 94.5% 60% I multiplied the total grade by the percent, then added the percent. But I get 109.20 as a final ...

**7TH GRADE**

HOW DO I STUDY BETTER? WHEN THERE ARE TO MANY DISTRACTIONS IN MY HOUSE. BECAUSE MY TEST GRADES ARE BAD AND THEY ARE PULLING DOWN MY AVERAGE GRADE

**7th grade**

HOW DO I STUDY BETTER? BECAUSE MY TEST GRADES ARE BAD, SO THEY ARE PULLING MY AVERAGE GRADE DOWN.

**Science Grade 8**

I know that this seems like a REALLY EASY question, but for some reason I cannot think of anything! 2. What technologies have been developed that use light? This is from a grade 8 textbook, so nothing to technical!

**10th grade**

i need an interesting topic for a tenth grade informative essay

**math (find my grade)**

1% of my grade 82% 4% of my grade 76% 2% of my grade 100% 100% 100% 100% 100% 100% 100% 100% 82% could you please find my average. thank you!!!!

**spanish**

How do you write "December the 9th" in Spanish ?

**grade 10 career studies**

I have to hand in an assignment called WHO AM I? for my grade 10 career studies course, i just need to no what to hand in exactly

**9th grade English**

This is the 2nd body paragraph for my Romeo and Juliet essay about fate. Can you please read over it and please give me your opinion and any advice on how to make it better. Throughout the play, the characters have mentioned fate and fortune numerous times which exhibits their...

**12th grade**

There are 300 students in 12th grade. What is the total population of the school?

**math**

If you have a grade average at 50% and you score 89% percent on a test what does your grade equal out to?

**classroom instruction**

• Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school) i would ...

**6th Grade Grammar**

The sixth grade class *had wrote* several papers about the great sphinx. How should the words in the asterisks be written? A. had written b. has wrote c. correct as is

**2nd grade**

2nd grade math measurement

**computer science**

ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include <iostream> using namespace std; int main() { cout<<"Hello World!"<<endl return(0); } this message keep pops up. ¡é "It seems that this ...

**math**

if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.

**math**

if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.

**classroom instruction 9not sure if i am right)**

• Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i am not sure if i am ...

**6th grade**

Doyou have 6 grade text book?

**English 1**

what is the subject of the sent? Holly has been my best friend since grade school. A.friend B.school C.grade D.Holly

**6th Grade Science : Newton's First Law of Motion**

Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.

**7th grade**

i need help on Chemistry and i am in 7th grade i don't know how to do some problems and i would like to know how to translate statements into equation form?