# 9th Grade

**Math( 7th grade advanced math so 8th grade math)**

Bacterial populations can grow to enormous numbers in a matter of a few hours with the right conditions. If a bacterial colony doubles size every 15 minutes, how many bacteria will be present after 1 hour if the colony began with 4 bacteria?

**Data management**

How many ways can 5 student receive a grade A or E

**Algrebra and Math**

Can you help me answer this question? I'm confused, and show me how you did it, that way I can understand on how to solve it more? The total number of students in 8th Grade is 32, including Fran and Billy, Who are one of the female and male students respectively. Fran has ...

**Marh**

If I missed 9 questions out of 27 what wil my grade be

**english 5 grade**

I want the imagine paragraph

**Math 7th grade**

1. 5/6 + 4/9 1/2 9/18 1 5/18 1 1/2

**math**

f i have a 100 in a class and i get a 0 on something that is worth 23% what will my grade be ?

**5th grade math**

insert in parentheses: 14+2=6+2x3+2

**math**

Each test grade in Sara's science class counts for 1/6 of the final grade. The final exam counts for 1/2. Sara's test scores are 72, 84, and 90. Her final exam score is 90. What is Sara's final grade for the class? A) 83 B) 86 C) 87 D) 89

**Math**

Mandy had 22 correct her grade was 80% how many questions on the test?

**stats**

Jason, a freshman at a local college, just completed 15 credit hours. His grade report is presented below. Course: Calculus, Biology, English, Music, P.E. Credit Hours 5, 4, 3, 2, 1 Grades C, A, D, B, A The local university uses a 4 point grading system, i.e., A = 4, B = 3, C...

**Algebra 1**

The number of boys to girls any grade level is 7:2. If there are 48 girls in the grade level how many boys are there ?

**math**

At the end of the 8th grade,Lin was 3.6 feet tall.Over the next two years he grew 1.2 feet tall. How tall was Lin at the end of the 10th grade

**9th Grade Biology**

You set up 5 samples that contained a range of sucrase concentrations but the same amount of substrate (sucrose). - The pH was kept constant in all tubes buy using the same amount of buffer. - The temperature was kept constant in all tubes (room temp) - A negative control was...

**math (7th) grade**

simplify -2.6 + (-5.4)pls help

**7th grade math**

1 5/6 divided by 5 2/5

**business**

Writeaprogramthataskstheusertoenterastudent’sgradesonfourexams.The program should display the four grades and the average of the four grades, round- ed to the nearest tenth. To add the grades, use a variable called total_grade, which you should initialize to zero. As ...

**8th grade ss plz help**

what does accessibility refer to

**English grammar**

What is the prepositional phrase is the following: 1. We were doing a mathematical test when the fire alarm rang yesterday. 2.The new girl in our ESL class has a brother I grade 7 and a sister in grade 9. 3.I didn't know what time it was so I very late to class. 4.To build a ...

**math**

Mercy must obtain an average mark of at least 85 to get an A grade in her mathematics examination,out of the four examinations she obtained 80,85 and 82 in the first three. Find the mark she must obtain on the fourth examination of to enable her get an A grade.

**Math Urgent Please Help**

Which construction is illustrated below? a. a perpendicular to a given line from a point not on the line b. a perpendicular to a given line from a point on the line c. perpendicular bisector of a given segment d. bisector of a line segment Please help with this. It doesn't get...

**math grade 9**

can someone check over my answers and correct them? *over means fraction 1) What would the slope be for a road that has a rise of 11m and a run of 100m? a. 22 over 100 b. 11 over 100 (THS ONE) c. 15 over 100 d. 30 over 100 2) What would the slope be for a road that has a rise ...

**Algebra 1 (8th Grade)**

How can I factor 18x^2+x=5 by completing the square?

**S.st**

What are the answer for number 3 and 4 in week 17 for 4th grade??..

**math**

If my teacher grades a test of 54 questions and I get 18 wrong what will be my grade?

**5th grade math**

If y is less than twice x , and x is 15. What is y

**math**

Grade 5 will plant 1/3 of the whole school garden. So far, they have planted ¼ of the whole school garden. What fraction of the school garden still needs to be planted by grade 5?

**Math college grade 12**

1=300(0.8)^t

**11th grade physics**

How do we know which plate has an excess of electrons?

**Math**

There are 55 student in eight grade middle school that play different sports. 27 of them play soccer, 15 of them play basketball. 11 of them play soccer or basketball. What is the probability given that the they are in eight grade and play sports that they play both soccer and...

**Math**

Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher

**Science**

What if a student gets a 65 on 1 test and 100% on 4 tests? What will there grade be?

**Programming C++ using Data Structure.**

In an academic institution, Student has its records. Each student has his/her profile such as id number, student name. The institution also keeps records of student grades in each subject. Student grades contains information subject description, school year, semester, and ...

**2nd grade math**

7+5=8+ What number makes this equation true

**Mathematics grade 9**

Calculate and compensate 823-273

**10 grade literature**

Correct punctuation of , That is in my opinion depressing.

**Statistics**

The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and symmetrical. Using this information determine the probability that “Joe”, a random student you know nothing about, other than the fact that they are ...

**6th Grade Math**

How do you write (1/2) to the 5th power? (Not answered)

**Algebra**

A math class has 7 girls and 5 boys in the seventh grade and 4 girls and 4 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 boys? Write ...

**Social Studies**

9th amendment The enumeration [listing] in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. Based on this text, what can you infer about the founding Father's concerns in forming a constitution? They wanted to keep...

**Math**

A science class has 3 girls and 3 boys in the seventh grade and 4 girls and 1 boy 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 boys?

**MS.SUE!**

this weekend can you help me with the second part of my grade recovery

**News for Ms. Sue**

1. A student raises her grade average from a 75 to a 90. What was the percent of increase in the student’s grade average? Round your answer to the nearest tenth of a percent, if necessary. A: 20% B: 16.7% C: 8.3% D: 15% Hi Ms. Sue, it was 20%. Thank you for your help, though...

**math**

if the lecture grade is the mastering points worth 20% and exams worth 80%. what is the lecture grade? mastering points: 1513 exam grades: 92,83,76,95,95 thank you!

**Fourth grade math**

Is 1 pirme or composte

**mathematics, lifesciences,business,tourism**

which course can I take after my grade 12?

**Modernist Poetry**

I want to write a modernist poem about struggles, future, stress. How everything I do in grade 12 will affect my future. The amount of pressure that is put onto me by my parents to get into university. I need a lot of help. I've always struggled with poems. I really need help...

**algebra**

A student's grade in a course is the average of 4 test grades and a final exam that is worth three times as much as each test. Suppose a student has test grades of 90, 88, 81, and 94. Write an equation to model this situation where x is the student's grade on the final exam ...

**7 Grade Math**

Melissa needs to subtract 10 5/8 from 12 6/8, what is her answer?

**Math 8th grade**

Solve the equation. 1. 4-5 __ = 1 I cannot figure this out. 3

**5th grade math**

The fifth-grade class at John Adams Middle School earned $428.81 at their school carnival. The money is being divided between 23 students to help pay for their class trip. How much money will each student receive? Round to the nearest hundredth. is it $18.60 ?

**7th grade math**

electrical wire: $1.49 for 3 ft $.69 for 18 in which is a better buy?

**Math**

I'm in sixth grade and I need help on 3(12w+8)+17+9w

**Math**

Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?

**Medical Billing and coding**

Can I retake a Quizz to help raise my grade?

**10th grade**

Ravi resigned----------illness

**Grade 12 Chemistry**

5.85gof Naclis Dissolvedin250mlofsolution.Calculatethemass%ofsolute?

**Math**

Am stuck A fifth grade class of 32 students is going on a field trip. They want to rent vans to drive to the field trip. Each van seats a maximum of 7 students. What is the least number of vans the fifth grade class must rent so that each student has a seat? If I times it that...

**Sixth grade math**

The sum is 1.7 and the product is 6.3. What are the numbers?

**11th grade math**

y^a/y^b

**Human Growth**

Mary Lou must complete a research project to get her associate degree. She has just one year left to finish her degree and must spend as little time and money as possible on her research. She plans to compare stress levels of 8th graders to stress levels of 9th graders. What ...

**Grammar**

2.Brianna eats chocoloate whenever she gets poor grade in math. whenever she gets a poor grade in math is underlined. I believe this is a dependent clause. 3. After the house flooded, the family moved into a temporary shelter. After the house is flooded is underlined. I ...

**5th Grade**

Where is the hundred thousandths place in 46.15398?

**Pre-Calculus**

The cup on the 9th hole of a golf course is located dead center in the middle of a circular green that is 70 ft in diameter. You ball is located 50 feet south, and 40 feet west of the cup. The ball follows a straight line path and exits the green at the right most edge. Assume...

**Computer/Math**

In an examination five pass grade and one fail is awarded a. For mark between 70 and 100 b. For mark between 60 and 69 c. For mark between 50 and 59 d. For mark between 45 and 49 e. For mark between 40 and 44. Write a program to input an mark for a student and print the grade...

**3rd grade math**

explain how to compare 8,563 and 8,699

**Math 7th grade**

-0.5167 is this number rational or irrational ? Thank you

**Algebra**

Students get two grades for a test in an introductory psychology course: a letter grade, and a numerical equivalent (weighted value). So an A is worth 4 points, a B is worth 3 points, a C is worth 2 points, a D is worth 1 point, and an F is worth 0 points. The results for the ...

**4th Grade Math**

What does 5*6 mean?

**life orientation grade 11**

social and environmental issues that cause ill - health

**8th grade math**

I am in 8th grade math as a sixth grader. I am stuck on one problem. It is this: You are making a necklace that is 9 inches long. You use 6 beads for each inch. what integer is the change in your supply of beads after making the necklace?

**Math: Mean, Median, Mode, Range & Finding the devi**

What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers 2,2,3,6,1,9,4,2,5,7,6,8,6, What is the ...

**Economics grade 12**

What's elasticity?

**need help**

There are 205 students in the middle school. If 41 students are girls in 8th grade, what percent of the middle school do the girls in 8th grade represent?

**5th grade math**

what can be a word problem that can be represented by the equation 1) 1/4 + 3/4=? 2- 7/8=?

**precalculus**

If you are driving down a 10% grade, you will alway 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 he "grade" relate to and how far...

**5th grade math**

What is he price of a hamburger and cheeseburger at this restaurant h+3c=$9.00 2h+c=$5.50

**5th grade math**

51 is 4 times the number of books, less 13

**5th grade math**

51 is 4 times of book is less 13

**5th grade math**

The sum of 6 and the product of 7 and a number is 75

**1st grade math**

what is a common factor

**math**

lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?

**English**

I need help understanding the directions for this essay response in 9th grade English B Unit 3. Its worth ten points and I really want to score all ten!! I need to get this done right now. The questions is... 20.) Identify one of the darker actions examined in a story or drama...

**English**

I need help understanding the directions for this essay response in 9th grade English B Unit 3. Its worth ten points and I really want to score all ten!!! It really cant go over a page because there is a character limit. I need to get this done right now. The questions is... ...

**English**

I need help understanding the directions for this essay response in 9th grade English B Unit 3. Its worth ten points and I really want to score all ten!!! It really cant go over a page because there is a character limit. I need to get this done right now. The questions is... ...

**math**

I have a question on my math that my teacher cant help me with because this one is for try it. Can you help me see if it is right?: It says: 12 . Wich is equal to 30 hundreths? A)3 thousandths B)3tenths C)3 tens D)3thousands I think the answer is B but, it really confuses me ...

**English**

WORDS: Averse Detract Disdain Divulge Elation Endow Expulsion Mortified Nullified Ominous ------------- Some people are so (1)averse 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 ...

**math**

Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 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?

**Algebra (check my work?)**

1. Write a proportion using an unknown value x and the ratio 5:6 then solve it. 5/6 = x/12 6 * 2 = 12 5 * 2 = 10 x = 10 2. In an orchestra, the ratio of trombones to violas is 1 to 3. There are 9 violas, Write a proportion that gives the number t of trombones in the orchestra...

**connexus**

anybody go to flvs academy and is 8th grade

**algebra**

what is the first step when solving x/15=3/5? write a proportion using an unknown value x and the ratio 5:6 then solve it. in an orchestra, the ratio of trombones to violas is 1 to 3. a. there are 9 violas. write a proportion that gives the number t of trombones in the ...

**1 st grade**

why does little red riding hood go for a walk in the woods?

**Algebra 8th grade**

(y2-3y)

**Civics**

9th amendment The enumeration [listing] in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. Based on this text, what can you infer about the founding Father's concerns in forming a constitution? They wanted to keep...

**Math**

Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and explain what they ...

**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...

**Maths lit**

Fraction for grade 10 assessment

**3rd grade math**

what is the standard form of 213

**mathematics**

THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST THREE TIMES OF G.P. IF THE 7TH TERM OF THE LINEAR SEQUENCE IS 14. CALCULATE (A) 20TH TERM OF THE LINEAR SEQUENCE (B) SUM OF THE 1ST, 12TH TERM OF THE G.P

**Math 6th grade**

Explain what a neutral field is.