Wednesday
September 2, 2015

Homework Help: 8th Grade

8th Grade Algebra
To find the image length, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where 2 is the distance, in feet, of the object from the mirror. What is the image length of the object when it is 1.5 feet away from the mirror?
Friday, August 22, 2008 by Anonymous

8th Grade Algebra
The distance required for a car to stop is directly proportional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?
Friday, August 22, 2008 by Anonymous

Business studies
Hi, my question involves listing assets and liabilities for week ending 14th of January for a plumbing company. The plumber has bought some tools on the 8th but is not paying for them until the 23rd. Would I need to list the tools as a fixed asset (as they benifit the company)...
Wednesday, June 25, 2008 by Sam

math
A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. The 8th period ...
Saturday, April 26, 2008 by kevin

English Expression
What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade'...
Friday, April 18, 2008 by John

Maths
1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the AP, 1+3+5...that are required to make a sum ...
Thursday, April 17, 2008 by Anonymous

Science 8th grade please check (revised answer
Mr. Jones went to his doctor because for the past few days he has been having frequent burning uriation. The doctor preformed a urialysis. This was done by have the patient void into a collection container. The urine was cloudy and yellow in color. There was an unusual ammonia...
Tuesday, April 1, 2008 by Anonymous

working with data
josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...
Sunday, February 24, 2008 by mike

8th grade math
Your uncle is three years older than your aunt. The product of their ages is 3190. What are their ages? I know the answer is 55 and 58. But I can't come up with the correct formula or equation to get the answer. I've tried 3(A+3)=3190. It doesn't come up with the ...
Thursday, February 7, 2008 by KL

english
when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)
Sunday, January 13, 2008 by spelling-grammer

math - 8th grade
use the numbers one to nine, each one only once. now multiply a two digit number by a three digit number and get a four digit answer using each of the digits, 1-9 each only once. 12 x 345 = 6789 of course that isn't a true statement though.
Wednesday, January 9, 2008 by taylor2008

spanish
Question: algo menos de moda que pantlaones de cuadros Answer: Unas faldas armarillo moda que los que pantalones de cuadros This one really confused me - and it is my last one. Do you accept 8th grade students for private tutoring in spanish thanks.
Tuesday, October 23, 2007 by sam

Sequences
A = {a1, a1 + d1, a1 + 2d1, …}, B = {a2, a2 + d2, a2 +2d2, …}. Investigate whether A + B and A x B are arithmetic or geometric sequences. If an arithmetic sequence is identified, state its common difference. If a geometric sequence is identified, state its common ...
Sunday, September 30, 2007 by Nelson

science
Is concrete a heterongeneous or homogeneous mixture? Your exact answer here: http://www.usoe.k12.ut.us/curr/Science/s​ciber00/8th/matter/sciber/matter.htm
Sunday, June 10, 2007 by Astrid

8th grade technology
what are good sites to study for technology final exams? This site may help you. http://www.homewood.k12.al.us/middlescho​ol/staff/whip/8thgradeproftests.htm However, your best preparation is go study your text and your notes and any handouts your teacher has given you.
Sunday, June 10, 2007 by cc

physics-energy conservation
some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...
Tuesday, May 8, 2007 by Emma

math
wat is a corresponding angle.............. in the math 8th grade is really most of the test goin to be angles In triangles, it is the angle between two specified sides. It also refers to tha angles formed when one line cuts through two or more parallel lines, as in www....
Thursday, March 1, 2007 by jose

Math - 8th grade
We are just starting this section, and I'm confused...Please help me understand how to solve this inequality: (one fifth r is less than two) 1/5r < 2 Also, simplify: (the #s are exponents) z3 . z3 x12/x3 By 1/5r you mean r/5 or 1/(5r)? z^3 . z^3 = z^6 x^12/x^3 = x^9 If ...
Wednesday, January 3, 2007 by Shawn

math / linear programming
Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...
Tuesday, January 2, 2007 by Tim

stonehenge
i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it? http://www.fromoldbooks.org/OldEngland/p​ages/0002-Stonehenge-Restored-plan/
Monday, December 11, 2006 by amy

science (8th grade)
Which of the following is not a characteristic of a crystal? a. The arrangement of the atoms in a crystal determines its shapes. b. A crystalline structure is always geometric. c. Crystals are classified according to their mineral content. http://en.wikipedia.org/wiki/Crystal
Wednesday, September 13, 2006 by tonya

algebra
give the demensions of rectangles with the perimeters of 70 feet and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width) =2((3/4)width + ...
Tuesday, September 12, 2006 by christine

LAW
The __________ Amendment right to counsel applies during plea bargaining because charges have already been filed before bargaining commences. a. 2nd b. 6th c. 8th d. 14th is it D
Tuesday, September 1, 2015 by Amy

GREATER TOMMOROW
THE SUM OF THE FIRST TWO TERM OF A GP IS 6 AND THE SUM OF THE 5TH AND 8TH TERM IS 288. SOLVE
Sunday, July 12, 2015 by DARE

Geometric Progression
The first five terms of a sequence are 9,16,25,36,49,.....find A) the 8th term. B) the nth term?
Monday, July 6, 2015 by Mutakai Rennie

Physics
A Particle moving with uniform acceleration is found to travel 35m in the 8th second and 51m in the 9th second. its velocity in m/sec at the beginning of 11 seconds is a> 49 b> 45 c> 47 d> 51
Tuesday, June 30, 2015 by ChuLbuLi

Nursing
My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?
Wednesday, June 24, 2015 by Elaina

Math
x to negative 3, x to 9th power, y to 5th power, y cubed Is the answer x to the 6th, y to the 8th?
Thursday, June 11, 2015 by Rosemary

MS. SUE?? MATH (8TH) CONNECTIONS
I have 3 questions. Multiply the polynomials. -2r(8r+5) a. -16r^2 + 5 b. -16r^2 + 10 c. -16r^2- 10r d. -16r^2 - 10 ^2a(a^2 + 4a) a. 2a^2 + 6a^2 b. 2a^3 + 8a^2 c. 2a + 6a d. 2a^3 + 6a^2 (3y)(3y-2) a. 9y^2 - 6 b. 9y^2 + 5y c. 9y^2 + 1 d. 9y^2 - 6y
Tuesday, June 9, 2015 by Anon

Science- 8th grade- please help!!
1) What evidence is there that the human species has been successful so far? Explain. 2) What environmental pressures in the past do you think were most important in shaping the human species as it exists today? 3) What environmental pressures exist now that you think may be ...
Thursday, May 21, 2015 by Savannah H

SOCIAL STDIES HELP! 8th
Ellis Arnall was elected to the office of governor in 1942 by promising to (1 point) reform Georgia’s government. continue Talmadge’s policies. fight in World War II.*** support disfranchisement for African Americans.
Monday, May 18, 2015 by XenaGonzalez

Algebra 1
A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a standard deviation of 3. One of her students, Katrina, had a z-score of 2. What grade did Katrina get on the test?
Sunday, May 10, 2015 by Jacob

Language arts 8th grade.
Which sentence contains a predicate pronoun as a subject complement? 1) The best person for the job is she. 2) The ground is sloping and uneven.* 3) We wondered what happened to him. 4) Amy is employee of the week. Identify the capital portion of the sentence. Chris will be ...
Wednesday, April 22, 2015 by Selah

science 8th (::
1. According to Ohm’s law, what is the resistance of a lightbulb if the applied voltage is 21.0 V and the current is 3.0 amps? (1 point) 24 ohms 7.0 ohms 18 ohms*** 3.0 ohms am i right?
Monday, April 20, 2015 by XenaGonzalez

math
Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
Friday, April 17, 2015 by HELP

statistics
Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
Friday, April 17, 2015 by Jane

math 8th!
point A (-2,3) lies on a line with a slope of 2. Describe how to find two points on the line on either side of A.
Thursday, April 16, 2015 by mae

programming
Write a Java application that computes and prints the grade of a student according to the following algorithm: 1) It should read from the user TMA score and MTA score. 2a) If their sum is less than 15, the grade "FC" should be printed and the program will stop. 2b) ...
Saturday, April 11, 2015 by pooja

ICT (Programming)
Design program logic that receives the letter grades for 4 subjects and then based on the grades, calculate the total grade point. The program should use IF statements to determine the grade point corresponding to the letter grade (as given in the table below). Once all the ...
Saturday, April 11, 2015 by Zee

7th grade math (probability)
I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up ...
Monday, March 30, 2015 by Alexis

math
there are half as many 11th grade students in the band the are 9th grade students. how many 11th grade students are in the band
Wednesday, March 25, 2015 by vanessa

Math
Kami has an average of 64% in her class. School ends soon and she would like to raise her grade to a 74%.She has 2 tests left and tests counts as 80% of her grade, what would she have to get on the next to test to get her average up to a 74%?
Wednesday, March 25, 2015 by Kammi

Math
Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in attendance 375. Grade...
Tuesday, March 17, 2015 by Anonymous

MATH
DRIVING DOWN A 10% GRADE, THEN YOU DESCEND TO 20 FEET BELOW YOUR STARTING POINT. wHAT CONCEPT DOES THE GRADE RELATE TO?
Monday, March 16, 2015 by BONNIE

language arts
WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
Wednesday, March 11, 2015 by hello

8TH GRADE MATH
PLEASE HELP ASAP!!! When you use a credit card, you are charged interest each month on the balance in your account. You can use a spreadsheet to investigate the interest chargeed n a credit-card account. you use a credit card to buy a $450 airline ticket. you are charged 1.8% ...
Monday, March 2, 2015 by Britney

4th grade math
explain how you know that 21/30 is greater than 2/3. Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Also, I need a FOURTH GRADE ANSWER, nothing else, perferibly using fraction strips.
Monday, March 2, 2015 by Yellow

math
it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?
Friday, February 27, 2015 by brandon

statistics
In a course there is a midterm exam, worth 40% of the course grade, and a final exam worth 60%. On the midterm the mean grade was 80 with a standard deviation of 10, and on the final the mean was 75 with a standard deviation of 15. The correlation between the two exams is 0.6...
Wednesday, February 25, 2015 by jess

mathematics concepts
Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before ...
Tuesday, February 24, 2015 by lauren

Ss help 8th
Compare and contrast the experiences of the Creeks and Cherokees in Georgia following the War of 1812
Saturday, January 31, 2015 by Christina

Math
The 80 8th graders took a trip. The boys numbered 16 fewer than twice the number of girls. How many of the eighth graders are girls?
Tuesday, January 13, 2015 by Zack

probability
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Saturday, January 10, 2015 by Sal

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Friday, January 9, 2015 by Stumped

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Thursday, January 8, 2015 by Roxy

Chemsitry
What courses should you take in each grade 9,10,11,12 to help you become a pharmacologist. i need courses for each grade
Thursday, December 11, 2014 by Katherine

Math
An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
Wednesday, December 10, 2014 by LJ

MATHEMATICS
IN A GP THE 5TH AND THE 8TH IS 24 AND 72 FIND THE 6TH
Wednesday, November 26, 2014 by Anonymous

MATHEMATICS
IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TH
Wednesday, November 26, 2014 by Anonymous

MATHEMATICS
IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM
Wednesday, November 26, 2014 by Anonymous

MATHAMATICS
IN A GP THE 5TH AND 8TH IS 24 AND 72 FIND THE 6TERM
Wednesday, November 26, 2014 by Anonymous

Chemistry Numerical
The half life period of a radioactive element is 27.96 days. Calculate the time taken by a given sample to reduce to 1/8th of its initial activity
Thursday, November 20, 2014 by Harsh

java programming
Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
Monday, November 3, 2014 by JORDAN

Maths
The 4th term of an AP is 6 if d sum of d 8th and 9th term is -72 the common difference is
Saturday, November 1, 2014 by Ada

Grades
If I have an 80 in my class, and I get a 70 on my test which is 33.33% of my grade, what will my overall grade become
Monday, October 27, 2014 by Anonymous

Chemistry
What is the wavelength of a photon having a frequency of 71.6 THz? So I know 1 THz = 10 to the power of 15 Hz And c= 3 x 10 to the 8th and h= 6.63 x 10 to the -34th
Friday, October 10, 2014 by Maria

Math
A sixth grader weighs 90 pounds which is 120% of what he weighed in 4 th grade. How much did he weigh in 4th grade? 90x100=9000/120= 75 So he weighed 75lbs is this correct?
Sunday, October 5, 2014 by Megan

statistics
how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what- average when last ...
Saturday, October 4, 2014 by nina

algebra 1
princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.
Friday, October 3, 2014 by paula

physics
a car cover 100 m in 5th second and 120 m in 8th second during its motion ?calculate the acceleration and distance covered in 20th second?
Friday, September 19, 2014 by shubhum

programming
create a program using java that calculates the current grade in a classroom. the program should ask for 5 grades as well as the total point value per grade available.
Friday, September 12, 2014 by JORDAN

JAVA PROGRAMMING
Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
Friday, September 12, 2014 by JORDAN

statistics
You want to estimate the difference in grade point averages between two groups of university students to be accurate within 0.2 grade point, with probability approximately equal to 0.95. If the standard deviation of the grade point measurements is approximately equal to 0.6, ...
Wednesday, August 13, 2014 by Bob

statistics
The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...
Saturday, August 2, 2014 by Marc

Math
The 8th term of a g.p is -7/32 fine it's common ration if its first term is 28
Sunday, July 6, 2014 by Jane

Math
I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online.
Sunday, June 8, 2014 by Sheenybeany

What does your overall grade have to be to pass?
I'm in the eighth grade and mine is 64 percent am I passing?
Thursday, June 5, 2014 by nonononono

Algebra
Alma can grade a batch of placement exams in 3hr and Kevin can grade a batch in 4hr. if they work together to grade a batch of exams, what percentage of the exams will have been graded by Alma?
Saturday, May 24, 2014 by Kgk

math question
If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?
Monday, April 28, 2014 by matt

math 8th
Find the circumference of the given circle. Round to the nearest tenth. circle (1 point) 22.0 cm 38.5 cm 11.0 cm 42.8 cm
Friday, April 18, 2014 by james

math 8th
Find the measure of ∠s. angle s (1 point) 63° 153° 68° 148°
Monday, March 31, 2014 by james

Patterns and rules unit test 7th grade
I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this test Find the next three terms of the sequence -2,-12,-72,-432... A. -1,728,-6,912,-27,648
Monday, March 31, 2014 by Kayla Moore

8th Grade U.S History
Document F Andrew Jackson, Proclamation to the people of South Carolina, December 10, 1832 I consider that the power of one state to annul a law of the United States is not consistent with the survival of the Union. Nullification is forbidden by the Constitution; it violates ...
Thursday, March 27, 2014 by Cassidy

Fractions
Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.
Wednesday, March 26, 2014 by Dave

History 8th
Washington’s troops, joined by the French forces under de Grasse and Lafayette, soundly defeated the British troops of General Cornwallis at the which battle?
Monday, March 24, 2014 by imissbobby♥

Computer
Home work:- Write a program to read 5 records consists of first name, last name, id and grade. Assign the grade according to the following specifications: 0<g<= 50 F 50<g<=60 D 60< g<= 70 C 70<g<=90 B 90<g <=100 A Use Stringtokenizer and buffering...
Thursday, March 20, 2014 by Bano

algebra
How would you solve polynomial equation for, a to the 8th power minus a to the 2nd power and b to the 6th power?
Monday, March 17, 2014 by Amy

mathematics
MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms
Thursday, March 6, 2014 by brad johnson

math
In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.
Thursday, March 6, 2014 by simamkele libalele

8th grade math
firefighters have a 35 foot extension ladder. In order to reach 30 feet up a building, how far away from the building should the foot of the ladder be placed? Express your answer in simplest radial form a^2+b^2=c^2 30^2+x^2=35^2 900+x^2=1225 -900 -900 x^2=325 square root of x^...
Monday, March 3, 2014 by diane

math
lenzy has a 77 a c. as a grade. if she fails a test worth 26% 0/22 what will her grade be
Tuesday, February 18, 2014 by zack

Statistics in Psychology
What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
Monday, February 10, 2014 by Annie

STATISTICS
What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
Monday, February 10, 2014 by Anonymous1

MATH --- PLS HELP CONNECTIONS ACADEMY
pls help asap! i dont know!!! i need someone from connections academy, 8th grade semester 2 unit 1 lesson 5: polygons and angles!!! Identify the sequence of transformations that maps quadrilateral ABCD onto quadrilateral A''B''C''D'&​#39;. (1 ...
Friday, January 31, 2014 by TTR+S<3

Math
The nth term of an A.P. Is 3 times the 5th term.(a)find the relationship between a and d.(b)prove that the 8th term is 5times the 4th term.
Wednesday, January 29, 2014 by Miracle

math---help! connections academy! check my answers
pls help asap! check my answers: In the diagram, lines m and n are parallel. If m¡Ð2 = 150¡Æ, find the measure of the following angles. 1. ¡Ð4 = ? (1 point) 120¨¬ 50¨¬ 30¨¬ 150¨¬ 2. ¡Ð6 = (1 point) 150&...
Tuesday, January 28, 2014 by TTR+S<3

Geometry - 8th grade
Well, I am trying to get geometry polygons and angles, but it's really hard to understand what to do. I'm not one to exaggerate and say I'm dying, but I'm pretty desperate for some help. If someone could explain the basics in simple terms or even post a helpful...
Thursday, January 16, 2014 by Larkin

Math - Algebra
Von's arcade uses 3 different colored tokens for its game machines. For 500, you can purchase any of the following combinations of tokens: 8 gold, 18 silver, and 7 bronze tokens; 8 gold, 14 silver, and 13 bronze tokens; or 16 gold, 6 silver, and 9 bronze tokens. What is ...
Saturday, January 4, 2014 by Ashley Kate

lang arts 8th
Label the sentence below as active or passive. Random people were visited by pollsters. a. active b. passive
Thursday, December 19, 2013 by bigurl1.4

Algebra 2
A grocer mixes x kg of Grade A and Y kg of Grade B nuts to get 60 kg of mixed nuts. Write and equation involving x and y to represent this information. The grocer sells all the mixed nuts at 9.00 per kg. He receives the same amount of money as when he sells the Grade A nuts ...
Thursday, December 5, 2013 by Anonymous

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