# 9th Grade

**trig.**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks in advance

**reading 4th grade**

looking for someone to tell me where I can find anything on "Tales of a Fourth Grade Nothing"

**5th grade expectations**

my son is going to the fifth grade. What do I need to do to make sure he is ready?

**English-Satire**

Yesterday I was the photographer for a small court house wedding. As I was waiting for the couple to finish the necessary paperwork for a legal marriage, I couldn’t help but overhear the daughter of the bride, a 9th grade student, complaining about living at home—wishing ...

**Problem Solving**

Lindsey has 75% as her final grade, but after she writes her exam she gets 85%. If her exam is worth 7.5%, what is her final grade.

**Part 1**

Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <= X and X < 85) output "your...

**Part 1**

input X if (0 <= X and X < 49) output "you fail" else if (50 <= X and X < 70) output "your grade is" X output "you did OK" else if (70 <= X and X < 85) output "your grade is" X output "you did well" else if (85 <= X and X < 100) output "your grade is" X...

**6th Grade Math**

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many would ...

**geometrey**

The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!

**science: help**

i need to do a science fair project. i am in 7th grade and my teacher said that it can't be something a 6th grade or younger could do. i wanted to do something with kinetic energy. like maybe drop an egg from different heights and measure its k.e. any suggestions?

**MATH-PERCENTILES**

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...

**English**

I need some recommendations for a challenging book for an voracious reader who can read advanced books and understand them. Somewhere of a reading level of 8th,9th or 10th.

**algebra 2**

Find the constant term or the term independent of x in the expansion of (3x – 5/x to the 2nd power )and to the 9th power

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.

**math**

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average between 70% and...

**English?**

I'm trying to do research on whether 9th graders should/should not be in Middle school with 7-8th graders. Does anyone know of any studies that would support either side? Or any leads I could perhaps follow to write the paper easier?

**random**

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.

**math**

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...

**Math**

Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in i am in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...

**math**

what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.

**English 9th Grade**

HELP!!! Need to write a 2 page paper on Shakespeare using dramatic foil. Please let me know what that means. I will be contrasting 2 characters in Romeo and Juliet. Thank you so much. http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Foil Here is an excellent ...

**Math**

Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, and 50 on the final pass the course? ...

**American Government (9th Grade)**

7.) What would a world of anarchy be like? A: A situation of living in nature, harmonious and free B: A Situation of well-ordered law and order C: A situation of extended families living together, fighting for resources with other families D: A situation of conclusion and wild...

**Math**

Two out of every 7 7th grade students are in the chorus. Estimate the probability of randomly selecting 3 7th grade students and having at least one student be in the chorus. Which of the following tools could be used to simulate this situation? A bag of marbles A coin A 6 ...

**grade**

How to figure out a grade 19 out of 25.

**Statistics and probability**

A science class has four girls and four boys in the seventh grade and three girls and five boys in the eighth grade the teacher randomly selects a seventh grader and an eighth grader from the class for competition what is the probability that the student she selects are both boys

**Math**

In college algebra a student earns an average grade of 86 on his homework and 75 on his quizzes. What final examination grade will give him a total average of 80 if homework 1/10 , quizzes 3/5 and the final examination 3/10?

**Math 6 grade**

1 4/9 is1.3 right???

**Math 6 grade**

5 1/8

**Math 6 grade**

What is 20/100,6/10,2 1/4,5 1/8,1 4/9 as a decimal

**Math 6 grade**

What is 1/3 as a decimal

**science**

which of the following is true about the metal boxes pictured below? A.The magnetic force wil be strongest on box two B.the magnetic force will be weakest on box three C.the magnetic force will be strongest on box one D.the magnetic force will be weakest on box one please ...

**Math 8th Grade Pre Algebra**

1. 5h - 9 = -16 + 6h a. 4 b. -7 c. 7 d. 10

**AP Algebra 8th grade**

Suppose U = {1,2,3,4,5,6,7,8}, Is the Universal set, and P = {1,3,5,7}, What is P' A) {2,4,6,8} B) {1,2,3,4,5,6,7,8} C) {1,3,5,7} D) {1,3,5,7,8} I think A.

**8th grade math**

Convert 3.16x10^3 in standard form

**english**

Identify the correct sentence. a. Have you spoken to your professor about your grade in English class? b. Have you spoken to your prof about your grade in english class? c. Have you spoken to your Professor about your grade in English class? d. Have you spoken to your Prof. ...

**Statistics**

Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.62 and a standard deviation of 0.43. Using the empirical rule, what percentage of the students have grade point averages that are at least 3.48? ...

**7th Grade Math**

What value(s) can x have if x = |7|? Explain.

**Math 8th Grade**

8^(2)+9(12÷3×2)-7 Solve And show steps

**7th grade math**

how do u model 8-(-2)on a number line

**Math**

If three teachers can grade 40 tests in 3 hours, how many hours will it take 12 teachers to grade 480 tests?

**College - Unweighted GPA**

On my college application, am I supposed to give my GPA for my senior year only or my total GPA? On my college application: What was your unweighted high school GPA (grade point average)? Please enter a value between 0.00 and 4.00. If you are still in high school, enter your ...

**math**

Kindergarten 43 inches 5 grade 55 inches The inflatable Giant Slide that has been ordered for the upcoming school carnival is 21 feet tall. How many average height 5th grade students would it take to get as close as possible to this height? How many average height kindergarten...

**math**

a teacher teaches two class and each class contains 35 students. if she grade final exam at a rate of 15 minutes per exam. how many minutes will it take to grade all final . how many hours is this?

**Math**

The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School. Two box and whisker plots are shown above a number line. The number line is scaled from 2 to 38 by twos. The first plot ...

**math**

A sixth-grade class has 20 total students, while the entire middle school has 1,000 students. A census is taken of the entire school’s population to see on which day of the week every student was born. Theoretically, 14.3%, or 1/7 of the students should have been born on ...

**Advanced Functions grade 12**

f(x)= a(x+4)(x+1)(x-2) Find a

**Social Sutdies**

What are answers to week 26 for forth grade

**Math**

The box-and-whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth grades at Lincoln Middle School. Two box and whisker plots are shown above a number line. The number line is scaled from 2 to 38 by twos. The first plot ...

**Social Studies 6th grade**

What is a modern form of paper.

**4 th grade social studies**

What were huge steam engines called?

**Algebra**

A clock's minute hand moves 60 grade in 10 minutes and 180 grade in 30 minutes low far does it move from 11:00 to 11:40? What is the problem asking you to find? The measure of the angle on a clock from What do you need to know to solve the problem? What is the measure of the ...

**statistics and probability**

n a written test given to a large class comprising 42 students, the test scores were found to be normally distributed with a mean of 78 and a standard deviation of 7. A minimum score of 60 was needed to pass the test. A score of 90 or greater was needed to earn an A in the ...

**math**

in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find the first three terms

**Math Unit Geometry Test 8th Grade**

Does anybody know the answers for the geometry unit test, 8th grade ?

**accounting**

Which college or university could I go after grade 12

**MATH (7th Grade)**

-2.4/5 1/3 -2.4/5.333 =-0.45?????

**Math (6th grade)**

How do I find the answer to 234 divided by 89 + 53 x 72

**all**

For highschool what percentages correspond with grade letters. like is a 91% an A, A-, or A+

**Math**

At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th grade? Help plz

**Math**

A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin 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?

**Math**

A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin 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?

**Chemistry**

I am using 85% ACS grade phosphoric acid. I need to make a 21% phosphoric acid solution with a total volume of 250ml. I have been told that 37ml of the 85% ACS grade phosphoric acid plus 188ml of Deionized water will create the 21% phosphoric acid solution I need to make. I'm ...

**math algebra**

At a college, records show that the average persons grade point average, G, is a function of the number of hours he or she studies and does homework per week h. The grade point average can be estimated by the equation : G=0.01h^2 +0.2h+1.2 To obtain a 3.2 GPA how many hours ...

**fourth grade math**

What is 271÷7 with a remainder?

**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 ...

**Math**

The weights of all one hundred (100) 9th graders at a school are measured, and it is found that the mean of all the measurements is 100 lbs., with a standard deviation of 15 lbs. Explain how you would use this information to determine the percentage of students who weighed...

**7th grade Pre- Algebra**

R/5 - 6 = -1 I know the answer is 25, but can you show me the steps. Thank you.

**Math**

Ricky took a survey in the fifth grade and found that 2/3 of the students ride the bus to school and 1/4 of the students walk. What fraction of the fifth grade students either ride the bus or walk to school?

**Math**

Plz help me what dose underestimate mean ps in 5th grade

**EASY MATH FOR 4TH GRADE**

HOW DO YOU MULTIPLY 3,333 and 5?

**Math**

I need help with homework 2-10 fifth grade

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

Salvador bought 3 pounds of oranges that cost x cents per pound, a cucumber for 59 cents, and 2 bananas for 35 cents. Write an expression in simplest form that represents the amount spent. I don't understand how you would write that into an equation. I don't think I should be ...

**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?