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Homework Help: 8th Grade

5th grade math
what is the common denominator to 3/5, 1/3, and 1/6

7th grade math
Hello there! I am totally confused what does x = 4x+3+2x= 54/9 Thank you ;) & please help me!?!

stats
It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...

12th grade goverment
who could vote in elections for colonial legislatures

5th grade math
What is 508 times 7?Thanks if you help:)

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 ...

5th grade Math
How do you add fractions with different denominators? Thanks if you help :)

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 ...

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.

physics
A man is 3/8th of the way across a railroad bridge when he hears a train coming. He knows that this passenger train cruises along at 60 MPH in this area. It turns out that he can run to either end of the bridge and jump off just ahead of the train. Assuming he runs a a ...

10 grade algebra
In the following system of equations, what does x equal? -10x - 2y = 56 6x - 2y = -40 x = 6 or x = -6 or x = 2 or x = -2

Psychology
Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why? Answer ...

4th grade math
4 1/4 minus 1 3/4

3rd grade math
What does 5 fracture each 1/2 mean?

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 ...

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 ...

math 4th grade
how do you add 2/3 plus 5/8

5th grade math
I don't get it! /is 20 times 5/6 greater than or less than 20

8th grade math!!!!! :)
Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1 point...

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 ...

3rd Grade Math
What is the sum of 4/10 and 55/100

8th Math - Probability
A basket contains 5 green lollipops, 12 red lollipops, and 7 orange lollipops. When a lollipop is taken from the basket, it is not replaced. What is P(orange, then orange)? I know the answer. It's 42/552. But HOW do I figure this out? I can do the first p(orange) but if it's ...

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, and ...

algebra 10th grade
Solve for x? 0 = -9/5 x -9

10 grade algebra
solve 10(x+5)=130

10 grade algebra
Solve the equation 2(x =10)=80

3rd grade math
which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4

3rd grade math
which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6

7th Grade Math
What is arithmetic and geometric sequences?

3rd grade math
1/3 2-fracture each third, what does it mean.

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 ...

Lang. Arts
4. Identify the appositive phrase in the following sentence. Mrs. Talavera, an eighth grade teacher at Rosewood Middle School, led the community meeting about childhood obesity. A.Mrs. Talavera B.an eighth grade teacher at Rosewood Middle School C.led the community meeting D....

4th grade Algebra
Evaluate the expression 15 - n when n= 9 I am not sure but is it 6?

math
what is 31/3 simplified by idk(im in 5th grade)

Reading
What is a 2nd grade pronoun definition

Writing
2nd grade opinion pieces

6th grade math
n/4+32=72

6th grade math
n/4 +32=32 I can get it n/4=40 but not sure how to get n by itself????

5th grade math
Is 3/9 <,>,= to 9/14?

Statistics
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major test is worth 22.5...

6 grade math
(100-7•2+3)÷10 =

math 4th grade
my mistake will it be 8

math 4th grade
now is the correct answer 4

math 4th grade
So Alyonka will the correct answer be 10

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-...

Algebra
simplify 9to 6th power times 3 to the 7th power all over 9 to the 8th power times 3 to the 6th power

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...

Math-grade 4
what is the estimated quotient of 6 divided into 75?

Science 8R
What is Combustion? this is not homework (please give me a good definition for 8th graders like me to understand) BTW - I'm creating a study guide for the NYS Science Test I'm taking at the end of the year. We started taking notes in my science class that we can use to study ...

Geometry-8th gr
Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

Geometry-8th gr
The perimeter of triangle ABC is 120. LIne segment BD bisects <B. Line segment AD= 15, and line segment DC= 21. FInd AB and BC. Thanks.

Geometry -8th gr
Given: triangle ABC ~ triangle PQR, m<A = 75 degrees, m<P = (5x + 7y) degrees, m<R = (3x + 4y) degrees, and m<B =( 2x + 9y) degrees. FInd m<R. Thanks

Geometry-8th gr
Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m<A= 50 degrees, m<X= (2x +5y) degrees, m>Z=( 55 + y) degrees, and that m<B=(102-x) degrees. Find m<Z. Thanks.

math
How do you shade in .625 on a hundreds grid ( for fifth grade)

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?

6th grade math
5ft 3 in. – 2ft 9 in. = ??

6th grade health
the view you have of yourself is known as your

8th Grade Math
I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

8th grade Math
need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your ...

Math - 8th Grade
I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

Math - 8th Grade
I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

6 grade Math
How do I divide this ... 3 divided by 1/2

Physical Science
The distance from earth to the sun is 1.5x10 to the 11th power minutes and light travels at a speed of 3.0x10 to the 8th power m/s. How long does it take sunlight to reach the earth? Give answer in minutes and seconds.

4th grade math
How do you solve 41/2-1/4=?

Science
What are 6th grade examples of negative feedback mechanism?

3rd grade math
Draw a model to show 84/12=7

9TH GRADE MATH
IF C=2M+D THEN M=

math
what is tell me rule it frist grade help please......

math 7 th grade asap
6(b-4)=

English Grade 10
Discuss society's tendency to fear the unknown.

9th grade algebra
2x^2+5x+2

7th grade math
solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2

statistics-?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

statistics-?mean average with lowest number out?
A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

math
In the year 2000,approximately 169,000,000 personal cmputers were used in the US. What is this number expressed in scientific notation? I moved the decimal point 8 times to the left so My answer I got was 1.69x 10to the 8th. Is this correct Thanks

math
(8 x____) x 5 = 8 x ( 20 x 5).. third grade question please help me solve

World history- does this sound okay?
if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why? I think I would give her a B bc for the most part she was a very big influence on the enlightenment era and she enabled quite a bit for us today. she changed...

3rd grade math
25 cents __?__ 3/10 of a dollar

7 th grade math
How many 4/5 are in 1 ?

5th grade math
what is a word problem for 4.23x10

math 6th grade
what does y=x

Math 5th grade
9K=414

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 75, 80, and 74. To get an B in the course, you must have an average of at ...

7th grade social studies
What are the pros and cons to democracy? Thank you.

5th grade
how do you divide 1/4 by 1/2? please tell answer and explain

Algebra Grade 7 (Rotation)
If you rotate a clock clockwise 90° from 3:00, what will it be?

5th grade math
i need help

MATH 5TH GRADE
HOW MANY TIMES MORE IS 2000 THAN 20?

Spelling 4th grade
Down is to dive as up is to ____________?

5th grade
How can I do distributtive property to break apart each multiplication 5*13=5*(6+_)=(5*_)+(_*7)

6th grade math
What does this sign mean "| |"

6th grade math
What does this sign mean "| |"

Geo- 7th Grade
What are the Atlantic Provinces?

Algebra Grade 7
Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __

Algebra Grade 7
It is possible to estimate the length of a line. True?

math
how to solve identity property,2nd grade

Math Statistics
The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?

Statistic
Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54 - Find the correlation coefficient for the data. I got this part of my answer. I believe the answer to be -0.9767 I am just going crazy with the second part. - Find the equation for the regression line for the data, ...

math 7th grade
what is 234(2-1+1092-924+18) ?

7th Grade Math
A proportion is shown below. 7/10 = 17.5/x What is the value of x?

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