# Homework Help: 7th Grade

**7th grade pre algebra**

We need assistance solving 3 + 2(k+1) = 6 + 3k I know the 2(k+1) has to become 2k + 2 then we have 3 + 2k + 2 = 6 + 3k then we can subtract 3k from both sides to get 3 +2k + 2 - 3K = 6 But can I combine the 3+2 on the left and the 2k - 3k to get -1k? leaving us with 5 -1k = 6...

*Thursday, November 6, 2008 by William*

**7th grade**

In the sentence, During the 1990's, MC Hammer "was too legit, too legit too quit." Waht are the nouns?

*Thursday, October 30, 2008 by Jess*

**7th grade science**

....... capacity is the largest numbers of individuals of one species that an ecosystem can support over time. What kind of capacity???

*Wednesday, October 22, 2008 by Robert*

**7th grade**

If a man says he has three children who's ages are the product 36,the sum is the house number across the street and his oldest son loves chocolate cake,how old are the kids?

*Tuesday, October 14, 2008 by Reid*

**7th grade**

Do you need to capitalize the name of the stars? for example: clearly visible in the sky overhead were the big dipper, small dipper, and the north star.

*Tuesday, October 14, 2008 by Jen*

**7th grade**

Write three equivalent fractions for each fracton 7/8,5/6 in order to get the answer am I suppose to find the number that I can divid both numbers and is it the same number

*Monday, October 13, 2008 by Jessica*

**7th grade**

Are teacher gave us an assignment that is due tomorrow it is Re-writing Fairy tales From The ANTAGONIST'S pOINT OF VIEW

*Monday, October 13, 2008 by yonden*

**7th grade**

how does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries?

*Tuesday, October 7, 2008 by David Monroe*

**7th grade science**

What is a simplified reprsentation of reality? It is either a model,table,variable,or an inquiry. Does anyone know the answer?

*Sunday, October 5, 2008 by Cailey*

**7th grade History**

Hoe do you write a pursasuve essay about selling product from the B.c time.

*Monday, September 29, 2008 by Charlene*

**7th grade**

the name of a instrument carried by a weather ballon to measure upper level pressure, temp, humidity and winds

*Monday, September 29, 2008 by christy*

**7th grade**

we are re-teaching the metric system and i forget how to do any of it! can you help me with like convertic and things? thx - k gurl

*Sunday, September 21, 2008 by k gurl*

**7th grade science**

what 6 things do living things need. Such as water and oxygen and...

*Thursday, September 18, 2008 by Drummond*

**math 7th grade**

solve the equation 5=f-7 tell me how you get the answer i don't want just the answer i want to know how to do it

*Wednesday, September 17, 2008 by keke*

**7th grade Math**

What is a complement in a set using set theory. Please explain it, give examples, and be as detailed as possible because i really do not understand and neet it thouroghly explained.

*Thursday, September 11, 2008 by Tahjae*

**7th grade science**

A Majory Theory in Science

*Wednesday, September 10, 2008 by Billy*

**7th grade science**

a group of similar cells that work together to do one job

*Tuesday, September 9, 2008 by bobby*

**Pre Algebra 7th Grade**

How do I simplify the following expressions by collecting like terms? 2x-9+x=? 6x-4j+3y=? 4x+15+2x-x+9+? j-k-j+3k= 5r+3r+4rt= 7yz+yz=

*Thursday, September 4, 2008 by Maria*

**Pre-Algebra 7th Grade**

how do I simplify the following expressions by collecting like terms? x+2+x= x+x+x+4+8+x= 2x-9+x

*Thursday, September 4, 2008 by Maria*

**Pre-Algebra - 7th Grade**

How do you add a negative number and a positive number. For example: -9 + 7 = ?

*Thursday, September 4, 2008 by Savannah*

**7th grade english**

Ok i got a work sheet and i have to compare an articale that was writen by billy shore on sept.1,2006 and the IB learner profile. what are some similarites

*Wednesday, September 3, 2008 by Marussa*

**7th grade science**

what is the protective sheild covering what segment of the thorax? its in grasshopper dissection

*Tuesday, April 22, 2008 by kayla*

**science 7th grade**

How can humans harbor many microorganisms on and inside their body without experiencing symptoms of infection ? Where could I get some info thanks

*Wednesday, April 2, 2008 by Anonymous*

**science 7th grade**

In sequential order how does our body digest a crakcer. I was wondering if someone could please let me know if there is a web-site that may be able to help me thanks

*Wednesday, April 2, 2008 by Amy*

**7th grade health**

please help I need to get information on how to correctly describe the location of the heart

*Tuesday, March 25, 2008 by Anonymous*

**7th grade health**

If you get a pian in your calf while walking down the block and it is relieved by resting what is this condition called ?

*Tuesday, March 25, 2008 by Anonymous*

**7th grade health**

Please check my answer thanks :) Blood flows from the left ventricle of the heart to thr general circulation through the what ? I think it is aorta

*Tuesday, March 25, 2008 by Anonymous*

**English**

I am in the 7th grade and I love books that are fiction. Here are some books that I LOVE!! Kira Kira So B. It Olive's Ocean Becoming Naomi Leon Corner of the Universe Green Glass Sea Edward's eyes The problem is I need a new book to do a book report on and I can't find one ...

*Sunday, March 23, 2008 by Taylor*

**7th grade health**

When you swallow a peanut, the peanut first comes in contact with the what ? I am not sure can you please let me know of any web sites that may help thanks

*Saturday, March 22, 2008 by Kathy*

**7th grade health**

Where could i find the correct order of how sound waves or sent to the brain ? thanks

*Saturday, March 22, 2008 by Kathy*

**7th grade health**

PLease see if I am right When you do a push up from the floor what kind of movement describes the motion of your elbow flexion

*Saturday, March 22, 2008 by Kathy*

**Social Studies**

I am in 7th grade age 12 and i was wonder how does the European Parliament determine how many each country gets on each branch? I would like and answer ASAP. Thanks!

*Wednesday, November 28, 2007 by Logan*

**math**

how do you factor a to the 7th + b the the 7th?

*Monday, November 26, 2007 by chelsay*

**7th grade math**

place the operation signs (+,-,x, divide) in the order that makes each sentence true 18__6__2=15

*Tuesday, September 4, 2007 by Marcus*

**Math**

7th grade--how do I determine the slope of a set of stairs? Thanks you find it by measuring thr rise over the run i.e. the vertical distance divided by the horizontal distance. thanks

*Monday, May 7, 2007 by Ellen*

**7th grade math**

what is the equivalent expressin of 7(5x) 35x ? 35x

*Tuesday, January 9, 2007 by Amber*

**7th Grade English-Word Puzzles/Pictures**

I need help with word pictures/puzzles.(1) head (no capitals or other words next to it, above or below it)...(2) yrooucrhkeasd (again, no words above, below or next to it) Thank you! I'm sorry, but I don't understand. Can you give us more details about these pictures/puzzles? ...

*Wednesday, August 30, 2006 by Wendy*

**7th grade ss unit 1 lesson 13 test**

I am stuck on the test ss 2b one the lesson 13 test Why is mining important to the economy of the Untied states? I but mineral I am so stuck on this test

*Monday, March 6, 2017 by j*

**Math Geometry**

Unit 1 Lesson 5: Drawing Triangles Quiz if some knows what the answers are then please put them down I have been stuck on this quiz for the past 3 days PLEASE HELP MEEE!!!!!!! 7th grade

*Thursday, January 12, 2017 by I NEED HELP !!!!!!!!*

**7th grade math**

A track is 3/4 mile long . The track is measured in units called furlongs. one furlong is equivalent to an 1/8 of a mile. Ho long is the track in furlongs? Thanks! I think it is 3/4 times 1/8 equal 3/32

*Sunday, December 4, 2016 by please check my work*

**7th grade math**

Lightning electronics charges $9.98 plus 0.75 per pound to ship electronic purchases. Write and solve an equation to find the weight in pounds of a dvd player for which the shipping charge is $18.23. I thin k it is 9.98 +.75p = 18.23 the answer being 11....thank you again

*Wednesday, November 30, 2016 by one more please check my work*

**7th grade math**

Allison earns a $40,000 base salary plus a commission equal to 15% of her total sales. What expression represents what she earns in total? I think it is : 40,000 + 0.15s thank you

*Wednesday, November 30, 2016 by please check my work*

**math 7th grade**

The length of a rectangle is 5 more than 3 times the width. Write and solve ad equation to find the width(w) if the length is 12.5cm 12.5= 5 + 3w w=2.5cm is this correct? thank you.

*Wednesday, November 9, 2016 by judy/check my work thank you*

**math 7th grade**

if a map scale distance is 2cm:15km, what is the actual distance of a map scale that is 6cm? Do I set this problem up like this: 2cm/15km=?/6km and then cross multiply?

*Thursday, November 3, 2016 by kimmie*

**7th Grade Math**

Sarah ran her first mile in 8 minutes. Her next mile was run in 6 minutes. What was the percent decrease in her mile time?

*Monday, October 24, 2016 by Geek Girl*

**Geometry**

I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon my class starts at 9:00

*Saturday, September 24, 2016 by Ava*

**7th grade math**

a photograph is 4.5 in. wide and 6 in. long. A yearbook editor has the photo reduced to fit a spade 1.7 in. wide. how long is the reduced photograph?

*Tuesday, September 20, 2016 by Nae*

**7th grade math**

parmesan cheese was on sale for $13.60 per pound. wesley bought a piece of the parmesan cheese that weighed 1 1/8 punds. how much did he pay

*Thursday, August 25, 2016 by mythreyee*

**Algebra**

Test scores of average 7th grade class are: 77,83,92,66,89,74,98,79,85,75,80,88,76,96,84,100,71,93,70,82 The mean is 82.9 and the standard deviaition is 9.7 1. What score is in the 80th percentile? 2. Your teacher tells you that your score beat 78% of the scores on the ...

*Monday, May 30, 2016 by Ulia*

**7th grade science final**

review Question -- 3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips 2. duplicates 3. zips back up and then a simple sentence about each

*Sunday, May 29, 2016 by Danny*

**Math**

PQR has vertices p(5, -1), q(0.8), and r(7,5). It is translated right 3 units and up 6 units. Find the coordinates of P', Q', and R'. A) P(8,5), Q(3,14), R(10,11) B) P(2,5), Q(-3,14), R(4,11) C) P(8,-7), Q(3,2), R(10,-1) D) P(2,-7), Q(-3,2), R(4,-1) Please help anyone, if you ...

*Thursday, May 26, 2016 by Waffles*

**7th Grade Math**

Fernando is 6 1/4 feet tall. If one inch equals 2.54 centimeters, what is Fernando's height in centimeters? My answer is 15.49 centimeters. Is my answer correct? If not please show me how to work it out.

*Monday, May 2, 2016 by Tim*

**7th Grade Math**

Sam serves a tennis ball at a speed of 90 miles per hour. If 0.62 mile is equivalent to 1 kilometer, what is Sam's serve speed in kilometers per hour? Round your answer to the nearest hundredth.

*Monday, May 2, 2016 by Mikey*

**7th grade math**

A submarine descends below the oceans surface at a rate of 75 feet per minute. How naby feet below the iceabs surface will the submarine be in 12 minutes

*Sunday, April 10, 2016 by zaire*

**Science**

Hi do you guys know Lesson 2: Natural Selection Unit 3: Natural Selection and Adaptation in connexus 7th grade the portfolio. please I need help

*Wednesday, April 6, 2016 by Subhan Hassan*

**7th Grade Civics**

I really need help with this because I'm not sure who the person is I'll put the answer I think it is with an asterisk. Please help! Which entrepreneur named below took over and expanded a family business begun by his or her father? A. Joseph Unahue** B. Blake Mycoskie C. ...

*Monday, April 4, 2016 by MusicLover14*

**tx history 7th grade**

after oil was discovered in texas,many boom towns appeared,what are some disadvantages associated with boom towns?

*Monday, March 7, 2016 by tjweezy*

**Math**

The ratio of 6th graders to 7th graders in the competition is 15 to 8. How many 7th graders are there if 225 6th graders are competing?

*Tuesday, March 1, 2016 by Amy*

**Math 7th grade**

A recipe serves 12 people and requires 1/5 cup of eggs. If you wanted to make the same recipe to serve 4 people, how many cups of eggs would you need? Show your work.

*Monday, February 29, 2016 by Kristie*

**medical Terminology**

The most easily treated tumor is A. Grade I. B. Grade V. C. Grade III. D. Grade X. A is my answer

*Sunday, February 28, 2016 by debbie*

**7th grade geometry**

A circular path two feet wide has an inner diameter of 150 feet. How much farther is it around the outer edge of the path than around the inner edge ?

*Thursday, February 4, 2016 by Martha*

**7th grade math**

Suppose 36 videos are added to a video collection that has 24 videos. What is the percentage of change. I got 50 percent....my mom says it's 150 percent. thanks!

*Tuesday, January 5, 2016 by Peggy*

**7TH GRADE MATH**

2.12 MILES/27 HOURS = 4 MILES / H HOURS (1 point) 28 12 9* 18

*Tuesday, December 22, 2015 by ilovealpaca*

**4th grade Number patterns**

An artist is arranging tiles in rows to decorate a wall. Each new row has 2 fewer tiles than the row below it. If the first row has 23 tiles how many tiles will be in the 7th row?

*Tuesday, December 15, 2015 by Evan W.*

**7th Grade Proportion Help**

A 10 acre field produced 750 bushels of corn. At that rate, how much corn can be produced from a 14-acre field? I really need help understanding this question I'm not looking for the answer. Please Help Me!

*Thursday, November 19, 2015 by MusicLover14*

**Applying Rational Number Operations**

(7th grade regular math) One half liter of lemonade concentrate is added to 3 liters of water. How many 1/3-liters serving are made? How would you do the math for this question? Please help I really need this question answered

*Wednesday, October 7, 2015 by Natalie*

**7th grade math help**

What is rational number as a terminating decimal? Also what would this be and how would it be solved 19/20 How would you turn it into a terminating decimal?

*Tuesday, September 29, 2015 by NApolo*

**7th grade algebra**

plane 1 travels 600 mph. plane 2 travels 800 mph and leaves 45 minutes later. when will plane 2 pass plane 1 Not sure what formula I use.

*Friday, September 25, 2015 by Kylee*

**algebra**

An “A” is considered 4.0, a “B” is 3.0, a “C” is 2.0, a “D” is 1.0, and an “F” is 0. In your first semester you received the following grades. Calculate your grade point average English = credits 3.0 Grade = C Biology = credits 4.0 Grade = B Communications...

*Tuesday, September 22, 2015 by Kristen*

**7th grade math "Math Makes Me Think"**

Day 15: What's my number? It has 3 digits. Sum of digits is 9. GCF of digits is 1. Product of hundreds and tens place is 1.

*Sunday, September 20, 2015 by anonymous*

**7th Grade**

You have 8 sticks. 4 are exactly half the height of the other 4. Arrange the sticks that you make exactly three squares of same size. No breaking or bending the sticks.

*Wednesday, September 9, 2015 by 7th Grade*

**math**

I have a question I would really appreciate the answer. If 15% of my grade is 74% and 96 is 15% of my grade and 40% of my grade is a 60.5% without the final counting for 30% what is my grade? Please help thank you.

*Friday, June 26, 2015 by kim*

**Algebra**

I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?

*Sunday, June 7, 2015 by Rebecca*

**7th grade English**

Both the authors of Zoos: Joys or Jails and the author of Why do we need Zoos : a. think animals should live in their natural habitat b.believe animals are protected in zoos c.wish people would make donations to zoos d. want to help wild animals, esp. endangered ones.

*Thursday, June 4, 2015 by Brian*

**Vacation**

what should I pack to the grand canyon? why is the grand canyon a trip? please answer these are an essay to complete & if I don't pass I cant go to 7th grade thanks

*Tuesday, May 12, 2015 by Priscilla*

**7th of 850.000 dollars**

hi steve please help me don't now how to figure this ,--- a 7th of 850.000 dollars what would my part be thank you michael

*Sunday, May 10, 2015 by mike*

**Math 7th Grade**

1. which is a rule that describes the translation of point from (-5, 4) to (-1, 2) A (x,y) --> (x - 4, y - 2) B (x,y) --> (x + 4, y - 2) (my answer) C (x,y) --> (x + 4, y + 2) D (x,y) --> (x - 4, y + 2) 2. the ordered pairs (2, -17) and (5, -35) are solutions to ...

*Thursday, April 23, 2015 by Jarrod*

**7th grade math**

Can you check the following problem? (forgot to incl last night) 1. Which is an equivalent equation to (2/3)x - 1 = 1/2 that does not contain fractions? (2/3)x = 1 + 1/2 (2/3)x = 3/2 x = 3/2 * 3/2 x = 9/4 x = 2 1/4 A. 4x - 6 = 3 4x = 9 x = 9/4 x = 2 1/4 B. 4x - 2 = 3 4x = 5 x...

*Thursday, April 23, 2015 by Alexis*

**7th grade math (probability)**

Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...

*Thursday, March 26, 2015 by Alexis*

**Math - 7th grade (repost)**

Can someone please help? I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?

*Wednesday, March 18, 2015 by Alexis*

**Math - 7th grade**

I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?

*Tuesday, March 17, 2015 by Alexis*

**7th grade math**

Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2, but...

*Friday, February 27, 2015 by Alexis*

**7th grade math**

The sum of an integer and the next greater integer is at the most 13. Write an inequality to find the lesser integer and solve for the lesser integer. My answer n+n+1 <_ 13 n<_6

*Wednesday, February 4, 2015 by Sierra*

**7th grade challenge math**

of 109.6 million house holds, 19,508,800 watched the television show CIS during the week of October 3, 2005. what percent of american households watched CIS this week?

*Tuesday, January 6, 2015 by lizzy*

**7th grade math**

Anna walked 8 miles in 3 hours. Juan walked 14 miles in 5 hours. Are these rates in proportion? 8/3 divided 3/3 = 2.66/1= 2.66 14/5 divided 5/5= 2.80/1= 2.80

*Thursday, December 11, 2014 by kyron*

**SCIENCE FOR 7TH GRADE**

i need to conduct a scientific investigation and i need some ideas. Ex. " how does the amount of sunlight affect a plants growth" I need something like what is listed above. Thank you

*Thursday, October 23, 2014 by MAX123*

**7th grade math**

consider the inequality 2x+3≤-3. Find the set of all integer solutions of this inequality that are also solutions of the inequality 5x-2<3. Please help I am really confuded

*Wednesday, October 22, 2014 by harry*

**physics**

Ten ,one rupees coin are put on the top of at each other on a table each coin has a mass 'm' give the magnitudes and direction of - 1. The force of seventh coin (counted from bottom) due to all the coins. 2. The reaction of 6th coin on the 7th coin. 3. The force at 7th coin by...

*Tuesday, October 14, 2014 by nayan*

**7th grade math word problems**

While scuba diving Quentin descended 2 1/3 feet each second for 30 seconds. If Quentin ended up at a depth of -234 feet before he began his descent, what was his original depth? Do I multiply 2 1/3ft by 30 seconds?

*Tuesday, October 7, 2014 by Anonymous*

**math**

Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?

*Monday, October 6, 2014 by jenna*

**7th grade math**

Classify properties of operations. 1. (-4-3n) * -8 Ans: distributive 2. (6+4)+8=6+(4+8) Ans: associative 3. (1-7n) * 5 Ans: distributive

*Monday, September 29, 2014 by Alexis*

**Science**

I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated concepts and systems ...

*Friday, September 26, 2014 by Jordyn*

**7th grade math**

Carrie has a 10ft long plank of wood. She want's to cut three pieces that are each 2 2/3 feet long from the plank. how long will the plank be after she cuts off the three pieces?

*Thursday, September 11, 2014 by Reece*

**7th grade math**

how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself not sure what to do...

*Tuesday, September 9, 2014 by Alexis*

**Hard math 7th grade**

What is the value of 42 – 2(3 • 5 + 1)? (1 point) 8 1 –16 –21 4. What symbol is needed between –2 and |–3| to make a true statement? (1 point) < > = 5. What is the value of (32 + 1) – 14 ÷ 2? (1 point) 2 3 –3 –2

*Tuesday, September 9, 2014 by Dfca*

**7th grade math**

when x is nonzero integer the sum 0f 3+x is sometimes negative and sometimes positive. Identify a value of x for which the sum of 3+x is negative.

*Wednesday, September 3, 2014 by Robert*

**7th grade Math/Science**

Can you help me with this science question: from sea level, the biosphere goes up about 9km and down about 19km. What is the thickness of the biosphere in meters? (there wasn't a formula in the workbook). Thanks

*Wednesday, August 20, 2014 by Alexis*

**science 7th grade**

Which of the following does not reduce water pollution? a) cleaning up oil and gasoline spills. b)reducing pollutants such as pesticides and fertilizers. c) increasing the use of gasoline. d) properly treating waste water

*Tuesday, May 13, 2014 by Haylee*

**7th grade math**

Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the screen is 10 inches in height, what is the width of the screen to the nearest inch?

*Thursday, May 8, 2014 by Jim*

**MATH**

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)

*Monday, March 24, 2014 by MANISH*