# Homework Help: 3rd Grade

**CHEMISTRY**

THIS IS THE 3RD TIME POSTING THIS, PLEASE HELP ME ANSWER THIS THE HOMEWORK IS DUE TONIGHT. Write formulas for the compounds that form from In (Assume In charge is 3+.) and each of the following polyatomic ion: NO−3, SO2−4, PO3−4 -3, -4, -4 ARE THE CHARGES. ...

*Friday, June 24, 2016 by MELISSA*

**CHEMISTRY**

THIS IS THE 3RD TIME POSTING THIS. PLEASE HELP ME ANSWER THIS. THE HOMEWORK IS DUE TONIGHT. Write formulas for the compounds that form from Sr and each of the following polyatomic ion: NO−3, SO2−4, PO3−4. THE -3, -4, -4 ARE THE CHARGES, CANT TYPE SUBSCRIPT ON...

*Friday, June 24, 2016 by MELISSA*

**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 ...

*Saturday, June 18, 2016 by Divyan*

**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.

*Saturday, June 11, 2016 by Glory*

**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...

*Thursday, June 2, 2016 by Mame*

**math**

The students at Millerville High School were surveyed about their favorites type of music. The results are in the table. to the nearest whole percent, what percent of the students who chose country as their favorite are in 9th grade? a.63%,b.39%,c.24%,d.20% Favorite type of ...

*Friday, May 20, 2016 by marilyn*

**Algebra 1 (8th Grade)**

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

*Tuesday, May 17, 2016 by Anonymous*

**S.st**

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

*Thursday, May 12, 2016 by Chi*

**math**

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

*Monday, May 9, 2016 by adeline*

**math**

The 3rd term of an Arithmetic Progression is 10 more than the first term while the fifth term is 15 more than the second term. Find the sum of the 8th and 15th terms of the Arithmetic Progression if the 7th term is seven times the first term.

*Sunday, May 8, 2016 by Toba*

**5th grade math**

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

*Thursday, May 5, 2016 by Kezia*

**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?

*Tuesday, May 3, 2016 by Drequan*

**mathematics**

6. In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

*Tuesday, May 3, 2016 by patricia*

**mathematics**

evng .my teacher gave me this as a homework but i dnt undertand. 1.In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

*Tuesday, May 3, 2016 by patricia*

**Exponential Modeling**

A certain vehicle loses 35% of its value each year. Compute the value of the vehicle at the end of the 3rd year if the car has an initial value of $25,000

*Sunday, May 1, 2016 by Anonymous*

**math**

In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term

*Sunday, April 24, 2016 by Anonymous*

**maths**

in a GP, the sum of the 3rd and 4th terms is -4/3 and the sum of the 4th and 5th terms is -4/9. Find the 6th term.

*Sunday, April 24, 2016 by glory*

**Math college grade 12**

1=300(0.8)^t

*Monday, April 18, 2016 by Yineya*

**11th grade physics**

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

*Tuesday, April 12, 2016 by angy*

**math**

Blair opens his investment account with $500. He loses $15.45 the first month, and then gains $35.68 the second month. If his net gain after 3 months is $40, how much money did he gain in the 3rd month? *

*Tuesday, April 5, 2016 by billy*

**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...

*Thursday, March 31, 2016 by Korbin*

**Science**

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

*Wednesday, March 23, 2016 by Anonymous*

**math help pls pls pls**

Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4th power. A. a to the 6th power over b to the 7th power B. b^12 C. a^8b^15 D. the quantity a to the 8th power over b to the 12th power pls help me

*Monday, March 21, 2016 by Oscar*

**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 ...

*Thursday, March 17, 2016 by Vonn*

**math**

a student’s grade in a class is simply the mean of five 100-point exams a. If the student has grades of 77, 73, 97, and 89 on the first four exams, what is the students’ grade before taking the last exam? b. What is the lowest score that the student can earn on the last ...

*Monday, March 14, 2016 by Debbie*

**2nd grade math**

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

*Friday, March 11, 2016 by Milan*

**maths**

300 mens were engaged to complete a job in a certain number of days. but due to another assignment 15 men dropped the 2nd day, 15 more men dropped the 3rd day and so on.it takes 15 more days to finish the work now. find the number of days in which the work was completed.

*Friday, March 11, 2016 by hawwa*

**Mathematics grade 9**

Calculate and compensate 823-273

*Sunday, March 6, 2016 by Kgahli*

**Geometry**

In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} DE start overline, D, E, end overline? I am ...

*Tuesday, March 1, 2016 by Tyteana*

**10 grade literature**

Correct punctuation of , That is in my opinion depressing.

*Friday, February 26, 2016 by Debbie*

**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 ...

*Thursday, February 25, 2016 by Francisco*

**6th Grade Math**

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

*Monday, February 22, 2016 by PJ Schrammel*

**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 ...

*Monday, February 22, 2016 by Anesha*

**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?

*Sunday, February 14, 2016 by Brooke*

**MS.SUE!**

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

*Thursday, February 11, 2016 by ashleydawolfy*

**Math**

(〖3x〗^4/〖6x〗^3 )2 I'm having some trouble solving this. In the numerator is 3x to the 4th. In the denominator is 6x to the 3rd. All of that is in a bracket and it's all squared. Do I have to first subtract the exponents, 4 - 3 and then ...

*Tuesday, February 9, 2016 by John*

**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...

*Tuesday, February 2, 2016 by Lizzie*

**maths**

the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference

*Monday, February 1, 2016 by Anonymous*

**English**

I need a thematic statement from the 3rd and 4th acts of The Crucible. I am having a hard time coming up with one though. A thematic statement is structured like this; Topic + what it says about the human condition, motivation, and/or human behavior. The theme statement cannot...

*Thursday, January 28, 2016 by MarthaDog*

**Math**

Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A pencil is 12 feet long. The back porch is 12 inches wide. The 3rd hole on the golf court is 123 miles long. The distance from new York to California is ...

*Tuesday, January 26, 2016 by LOVE*

**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!

*Sunday, January 24, 2016 by lauren*

**math**

1st wall 5'long 8' wide 2nd wall 9'long 8'wide 3rd wall 2' long 4' wide tile size is 2'long 4'wide how many tile do I need

*Thursday, January 21, 2016 by Mike*

**algebra**

Family on a road trip. travels x miles on day 1. On day 2 they go 52 miles more than three times the number of miles traveled on day 1. The 3rd day they go 83 miles fewer than day 1. write and simplify an expression for the total number of miles traveled. the answer is 5x-3 ...

*Tuesday, January 19, 2016 by stephie*

**Fourth grade math**

Is 1 pirme or composte

*Monday, January 18, 2016 by E*

**mathematics, lifesciences,business,tourism**

which course can I take after my grade 12?

*Wednesday, January 13, 2016 by MODISE BOITUMELO*

**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...

*Tuesday, January 12, 2016 by Poemhelp-Please*

**Trig - 9th grade**

Can you help me solve: 5sin2x + 3sinx - 1 = 0 Thanks

*Sunday, January 10, 2016 by Carol*

**Math**

Repeat the following procedure for the four given numbers. Add 7 . Double the result. Subtract 4 . Divide by 2. Subtract the original selected number. The 1st number is 1 . The result is 5 . The 2nd number is 4 . The result is 5 . The 3rd number is 7 . The result is 5 . The ...

*Sunday, January 10, 2016 by Jeffrey*

**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 ...

*Friday, January 8, 2016 by kayla*

**7 Grade Math**

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

*Tuesday, January 5, 2016 by Anonymous*

**Math 8th grade**

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

*Monday, December 21, 2015 by Help needed*

**math**

in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence

*Sunday, December 20, 2015 by selina*

**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 ?

*Wednesday, December 16, 2015 by patricia*

**Physics**

Three people are pulling on a tree. The first person pulls with 16N at 64.0 degrees. The second person pulls with 15 N at 136 degrees. The 3rd person pulls with 12 N at 195 degrees. What is the magnitude and direction of the resultant force on the three?

*Wednesday, December 16, 2015 by Gtueyb*

**7th grade math**

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

*Tuesday, December 15, 2015 by Emmy*

**algebra**

I am the middle of 3 numbers whose total is 31. The largest is 3 more than 5 times the smallest. What # am I? 1st number I put as x 2nd number I put as y as long as y> x 3rd number is 3+5x=z X+y+z=31 so when I plug it in I get X+y+3+5x=31. Y=28-6x Now is where I get lost. ...

*Wednesday, December 9, 2015 by susan*

**Math**

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

*Tuesday, December 8, 2015 by bob*

**Math**

Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of those numbers between...

*Tuesday, December 8, 2015 by Anonymous*

**math**

1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have 8 as their units ...

*Tuesday, December 8, 2015 by Anonymous*

**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?

*Thursday, December 3, 2015 by Alex*

**Medical Billing and coding**

Can I retake a Quizz to help raise my grade?

*Thursday, November 26, 2015 by Melodee*

**probability**

You have a bag with 3 red, 3 white, and 2 blue balls in it. You draw three balls without replacement. What is the probability that the 3rd ball chosen is blue?

*Sunday, November 22, 2015 by Anonymous*

**General Chemistry**

Calculate the standard heat of formation of acetaldehyde , 2C(s) + 2 H2(g) +1/2 O2 (g) ---> CH3CHO(g) given the following information? CH3CHO(g) + 5/2 O2 (g) --> 2H2O(l) + 2 CO2(g) DeltaH rxn =-1194 KJ H2(g)+ 1/2 O2 (g) --> H2O (l) DeltaH rxn =-286 KJ/mol C(s) + O2(g...

*Friday, November 20, 2015 by ChemLove*

**10th grade**

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

*Monday, November 16, 2015 by Anonymous*

**chemistry**

In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(...

*Saturday, November 14, 2015 by Dalton*

**Math**

Libby sold $60 worth of vegetables at the farmer's market. Jess sold 3/4ths of what Libby sold. Stephanie sold 1/3rd of what Jess sold. How much did they all sell together?

*Tuesday, November 10, 2015 by Anonymous*

**Grade 12 Chemistry**

5.85gof Naclis Dissolvedin250mlofsolution.Calculatethemass%ofsolute?

*Sunday, November 8, 2015 by Minibel*

**3rd Math**

Olivia used colored ribbon for each craft project.she used 1/6 of a yard of green,1/3 of a yard of red, and 1/4 of a yard of yellow. Which ribbing is the longest.

*Friday, November 6, 2015 by Tre'Von*

**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...

*Thursday, November 5, 2015 by iyana*

**Sixth grade math**

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

*Tuesday, November 3, 2015 by Kevin*

**9th grade**

32/4=b+4/3

*Monday, November 2, 2015 by Cole*

**11th grade math**

y^a/y^b

*Wednesday, October 28, 2015 by Claire*

**chemistry**

150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?

*Tuesday, October 27, 2015 by lisa*

**analytical chemistry**

150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?

*Tuesday, October 27, 2015 by TK*

**physics**

4. A mover wants to push a box down a hall. The mover applies an ‘action’ force on the box (the push). According to Newton’s 3rd law, there is a ‘reaction’ force applied in the opposite direction. The larger the action force applied by the mover, the larger the ...

*Saturday, October 24, 2015 by XOXOX*

**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 ...

*Thursday, October 15, 2015 by Patrick*

**5th Grade**

Where is the hundred thousandths place in 46.15398?

*Thursday, October 15, 2015 by Grace (The Puzzled Penguin)*

**algebra**

A 28-inch board is to be cut into three pieces so that the second piece is twicetwice as long as the first piece and the third piece is 44 times as long as the first piece. If x represents the length of the first piece, find the lengths of all three pieces 1st ...

*Sunday, October 4, 2015 by Anonymous*

**lgebra**

The sum of three consecutive natural numbers is 963, find the numbers. (A) First, write out an equation that models the relationship between these three numbers: x + ____ +______ = 963 2nd number 3rd number (B) Now, simplify the left side of your equation: ____________ = 963 (...

*Saturday, September 26, 2015 by NINA*

**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...

*Tuesday, September 22, 2015 by Tosin*

**Math 7th grade**

-0.5167 is this number rational or irrational ? Thank you

*Wednesday, September 9, 2015 by Holly*

**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 ...

*Wednesday, September 9, 2015 by Camry*

**4th Grade Math**

What does 5*6 mean?

*Tuesday, September 8, 2015 by Donna*

**Statistics (Percentile, Decile, Quartile)**

Please refer to the following table: Number of Cellular Phones in Household: DECILE 1 - 1.00 2 - 1.00 3 - 1.00 4 - 1.00 5 - 2.00 6 - 2.00 7 - 3.00 8 - 3.00 9 - 4.00 (a) How many cellular phones does a household have at the 42nd percentile? (b) ...

*Sunday, September 6, 2015 by Zam*

**life orientation grade 11**

social and environmental issues that cause ill - health

*Tuesday, September 1, 2015 by nokwanda*

**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?

*Monday, August 31, 2015 by Casey*

**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 ...

*Friday, August 21, 2015 by Aayla*

**Economics grade 12**

What's elasticity?

*Monday, August 17, 2015 by Sm*

**Reading**

38. From Laurencaville, take highway 9 for 20 miles (about 30 minutes) until you reach the third katetown?? Exit (exit 116). Turn north on Park Street and drive for 3.1 miles, past six stop lights. Take a left on 3rd Avenue and drive six blocks. The store will be on the right ...

*Sunday, August 16, 2015 by BARNETTA*

**Reading**

38. From Laurencaville, take highway 9 for 20 miles (about 30 minutes) until you reach the third katetown?? Exit (exit 116). Turn north on Park Street and drive for 3.1 miles, past six stop lights. Take a left on 3rd Avenue and drive six blocks. The store will be on the right ...

*Saturday, August 15, 2015 by BARNETTA*

**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?

*Tuesday, August 11, 2015 by Anonymous*

**9th grade math**

I need help with this problem please help with steps. -u+5u-2(6u-11)

*Monday, August 10, 2015 by Clarissa*

**5th grade math**

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

*Friday, July 31, 2015 by anonymous*

**physics**

a gas is filled in a vessel at 27 degree Celsius. to what temp should it be heated so that it 1/3rd of of the gas escapes out of the vessel? my attempt to solve; i tried applying charles law. so, V1/V2= T1/T2. V2= V1+V1/3= 4V1/3 hence, applying charles law V1/V2= 3/4 T1/T2= ...

*Sunday, July 19, 2015 by saumya*

**English**

Posted by rfvv on Monday, July 13, 2015 at 9:33am. Lesson Plan .... Standards Addressed: General Goal9s): Specific Objectives: ...... ===================== In a leson plan, what is 'Standards Addressed'?•English - Writeacher, Monday, July 13, 2015 at 9:42am Standards are ...

*Tuesday, July 14, 2015 by rfvv*

**English please i need it for tom**

1. From Lawrenceville take Highway 9 for 20 minutes (about 30 minutes) until you reach the Third Karletown and exit off and turn North on Park Street and drive for 3.1 miles past six stop lights take a left on 3rd Avenue and drive for the tour will be on the right side of the ...

*Tuesday, June 9, 2015 by wedi*

**English please i need it for tom**

1. From Lawrenceville take Highway 9 for 20 minutes (about 30 minutes) until you reach the Third Karletown and exit off and turn North on Park Street and drive for 3.1 miles past six stop lights take a left on 3rd Avenue and drive for the tour will be on the right side of the...

*Tuesday, June 9, 2015 by wedi*

**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...

*Saturday, June 6, 2015 by Lois*

**Math: Arithmetic Sequence.**

the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.

*Thursday, June 4, 2015 by Jan*

**5th grade math**

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

*Wednesday, June 3, 2015 by Mythreyee*