Sunday
August 28, 2016

# Homework Help: 1st Grade

chemistry
How do I find the charge of the 1st listed metal? HgCl2 PbO2 Cu(OH)2 Cr2O3 Fe3(PO4)2
Tuesday, March 11, 2008 by Anonymous

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!
Monday, March 10, 2008 by anna

linear algebra
i'm not sure how to go about this one. any help would be appreciated! find all x's that would make the 2x2 matrix below = to a shear-dilation: 1st row: 1, x 2nd row: 3, 4
Saturday, March 8, 2008 by corine

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?
Friday, March 7, 2008 by Brooke

Math
Use the Binomial Theorem to find the fifth term in the expansion (2x+3y)^5. 5!/(5-k)^x^5-kyk 5!/(5-4)!4!^x^5-4y4 (5*4*3*2)/(4*3*2*1) 120/24 5xy^4 (answer) You may not understand the 1st 2 lines I'm sorry just let me know how to make it better.
Tuesday, March 4, 2008 by Jon

math-probability
A King sends for 3 prisoners. HE has 3 black hats and 2 white hats. He blindfolds the prisoners & puts a hat on each. He then removes the blindfolds & allows them to look at each other. He tells them that if they can tell him the color of the hat they have on, he will set them...
Tuesday, March 4, 2008 by ASh

Geometry
Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
Monday, February 25, 2008 by Austin

Math
Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
Monday, February 25, 2008 by Austin

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...
Saturday, February 9, 2008 by TORI

french
what's the future of 'se leve' with accent aigu over 1st 'e' of 'leve'
Thursday, February 7, 2008 by anonymous

African Amer. Study
Who was the 1st American woman to address male audience in public?
Tuesday, January 29, 2008 by Mack

science
A person's body is thronw outward as a car rounds a curve on the highway is this newton's 1st 2nd or 3rd law
Thursday, January 24, 2008 by summer

Movies & Science
I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
Monday, December 31, 2007 by Alexis (For bobpursley or Dr. Bob222)

Film and Physics
I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
Monday, December 31, 2007 by MOvie Guru

social studies
1st Amendment; freedom of religion Why is this amendment important to America? What are 2 examples of how the amendment protects the citizens?
Monday, December 17, 2007 by aj

WWII
The "Phony War" ended April 1940. However, many Canadians were not sent before 1942. What did the ones that were sent with the 1st Division Canadaian infrantry do in Britain until 1942?
Sunday, December 16, 2007 by Lena

WWII
The 1st group of Candians that were sent over sea to ritian were sent in December of 1939. Where were they sent in Canada to prepare for WWII?
Saturday, December 15, 2007 by Lena

SCI 275
What are the challenges of managing Reducing solid waste? What human activities contribute to the problem? I can answer the 2nd question but the 1st one i am having truble with
Monday, December 10, 2007 by dawn

math
what are the 2 greatest consecutive even integers whose sum is less that 180? for the 1st I got x+2 and for the 2nd I got x+4 to get x+2+x+4<180, and solved to get, x<87. Now.. I cant get the answer. biggg problemo. please help.
Wednesday, November 14, 2007 by josh

algebra- integer problems
Hi! i have this problem, I'm stuck on. it says find 2 consecutive multiples of 9 whose sum is -153. I started of my saying the 1st number is 9x and the 2nd is 9x+9. I continued on to get, 9x+(9x+9)=-153 and solved it. I got an irrelevant answer: -9. I was wondering what I ...
Wednesday, November 14, 2007 by min

chemistry
can u tell me of any laboratory acid with 6 letters 1st letter is n 4th letter is r and 6th letter is u, i dont no, it is for a wordsearch
Tuesday, November 6, 2007 by !!ezr!!

Editing
Im posting this essay on The battle of The Somme in 1916. If someone could edit it for me, that would be greatly appreciated. Thanks in advance =] Most Canadians know July 1st to be Canada Day: a day to celebrate the birth of their country. Nevertheless, in Newfoundland, July ...
Wednesday, October 10, 2007 by Gina

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.
Wednesday, October 10, 2007 by seano

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 ...
Sunday, September 30, 2007 by Jessica

MATH!!!
I have 3 2/3 + 7 1/8 = I 1st got 10 19/24 then I got 239/24 please HELP!! What is the right answer? 10 19/24 or 259/24 depending if you have to express it as a fraction or not
Wednesday, May 9, 2007 by Jenifer

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.
Monday, May 7, 2007 by Lily

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 ...
Monday, March 19, 2007 by cheryl

Example Essays
Mkay, I have a five paragraph essay due by tommorow. Its to be an example essay, but I don't have a idea OR a plan on what to write. I am confused {confuzzled} and am looking for a fairly easy example essay to write. I will need to use the Seven Sentence Skeleton which is ...
Thursday, March 1, 2007 by Confizzled

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.
Sunday, January 28, 2007 by jose

algebra1
slope (-3,3),(1,3) well 1st here is the forumla y2-y1/x2-x1 then 3-(-3)=-6 then -3-1=-4 slope=-6/-4 0 _ -2 __
Monday, January 8, 2007 by lena

Data management
. In Lotto 6/49, you must pick 6 numbers and pay $2.00 for each ticket. Six (6) numbers are drawn randomly. The following table summarizes the winning prizes if you match: 6 numbers (1st prize) Tuesday, November 7, 2006 by Wajih 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? ... Tuesday, September 19, 2006 by Veronica music thoery how do you write out the 1st three sharp scales plus there relative minorer's please help e`mail me at blondie5ive thanks a bunch!!!!!!!!!!! whats a andante? and unison? and Accent? and Mezzo Forte? and A Soli? Tuesday, August 29, 2006 by blondie math (7th) grade simplify -2.6 + (-5.4)pls help Friday, August 26, 2016 by ary 7th grade math 1 5/6 divided by 5 2/5 Thursday, August 25, 2016 by mythreyee business Writeaprogramthataskstheusertoenterastud​ent’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. ... Wednesday, August 24, 2016 by kurt Algebra A number consist of 3 digits.The middle digit is 0 and the sum of the first and last digits is 13.If the digits are reversed the number is increased by 297.Find the original number.MY SOLUTION: let x=the 1st digit & y=last digit x+y=13 i.e eqn1 & pls help Saturday, August 20, 2016 by Oduro Hayford 8th grade ss plz help what does accessibility refer to Wednesday, August 17, 2016 by ms.oreo Math Jim opens a savings account with$5. His account doubles every month. How much will he have after the 8th month? 1st 2x5=10 2nd 10x2=20 3rd 20x2=40 4th 40x2=80 5th 80x2=160 6th 160x2=320 7th 320x2=640 8th 640x2=1280 1280 was marked wrong. why?
Tuesday, August 16, 2016 by Gabe

Algebra
A girl was murdered and there was 4 people in the room 1.Sohag 2.Jahan 3.Sagor 4.Hamidur Police got a paper from the hand of the girl and it was written that 1st September 2nd January 3rd August 2nd November 3rd April Who is the murderer among the 4 suspicious?
Saturday, July 30, 2016 by hasib

Pre Calculus
Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians. a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st quadrant
Sunday, July 10, 2016 by Jessica Maths

Pre Calculus
Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians. a. 4th quadrant b. 3rd quadrant c. 2nd quadrant d. 1st quadrant
Saturday, July 9, 2016 by Amelia

Pre Calculus
Determine the quadrant in which an angle, θ, lies if θ = 8π / 7 a. 3rd quadrant b. 1st quadrant c. 4th quadrant d. 2nd quadrant
Saturday, July 9, 2016 by Amelia

Basic Accounting
Pay $3000 toward lease agreement for office. The agreement is for 1year. The rent is 1,500 per month, last months rent was required at time of lease agreement. Lease period is effective July 1st 2014 through jun 30th 2015. I think it's like this: Rent expense 1,500.00 ... Monday, June 27, 2016 by Lisa Basic Accounting Pay$3000 toward lease agreement for office. The agreement is for 1year. The rent is 1,500 per month, last months rent was required at time of lease agreement. Lease period is effective July 1st 2014 through jun 30th 2015. I think it's like this: Rent expense 1,500.00 ...
Monday, June 27, 2016 by Lisa

English grammer
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...
Saturday, June 18, 2016 by Divyan

math
topic tree diagram. a box contain 6red and 4blue,5white balls.there balls are the bag one after the other without replacement find the prob of obtaining 1 first the same colour 2 first blue 2nd red,than white. 3. 1st red. 4different colours
Thursday, June 16, 2016 by Tebiowei

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

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...
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

Math
1st question: Which events are not independent? You toss three coins and get one head and one tail. You choose three different ice toppings for a sundae. You draw to colored pencils without replacement and get one red and yellow. You pull a yellow marble from a bag of marbles...
Wednesday, May 18, 2016 by Anna

Math
1st question: Which events are not independent? You toss three coins and get one head and one tail. You choose three different ice toppings for a sundae. You draw to colored pencils without replacement and get one red and yellow. You pull a yellow marble from a bag of marbles...
Wednesday, May 18, 2016 by Maddie

S.st
What are the answer for number 3 and 4 in week 17 for 4th grade??..
Thursday, May 12, 2016 by Chi

Simple College Question
1.)Do you have to attend college in order to join the Army Or Navy? I truly don't know what I wanna be when I grow up so I've been thinking about join the Army Or Navy once I turn 19 or 18, & I was wondering Do I have to attend a college 1st before I can Join the Navy ...
Wednesday, May 11, 2016 by #FreeGucci

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

Math college grade 12
1=300(0.8)^t
Monday, April 18, 2016 by Yineya

How do we know which plate has an excess of electrons?
Tuesday, April 12, 2016 by angy

Chemistry
When titrating 50.0 mL of 0.10 M H2SO4 with 0.10 M NaOH, how many mL of NaOH will you have added to reach the 1st equivalence point? I am confused... What H2A problem? Chemistry-Dr.Bob222 - DrBob222, Tuesday, April 12, 2016 at 1:49am Refer to the H2A problem above BUT you only...
Tuesday, April 12, 2016 by Nevaeh

Math
A utility company has the following rate schedule for natural gas usage in a city's district: Monthly service charge of $8.80; Per therm service charge: 1st 25 therms:$0.6686/therm; Over 25 therms: $0.85870 (a) What is the charge for usaging 25 therms in one month? (b) ... Sunday, April 10, 2016 by Anonymous Math A utility company has the following rate schedule for natural gas usage in a city's district: Monthly service charge of$8.80; Per therm service charge: 1st 25 therms: $0.6686/therm; Over 25 therms:$0.85870 (a) What is the charge for usaging 25 therms in one month? (b) ...
Sunday, April 10, 2016 by Anonymous

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

Math
Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher
Tuesday, March 29, 2016 by Mrs. Raja

Math
Shaahikala needs Rs.7000 after 15 weeks to send her daughter to school. She saved Rs.150 in the 1st week and raises by Rs.50 every succeeding week. Find whether she will be able to send her to school after 15 weeks? What value is created by the above situation in you? Pls ...
Friday, March 18, 2016 by Megha

chemistry
Hi, Can anyone suggest a protocol for preparing 1 Litre ammonical solution (pH 7.8, NH4-N, 3000 mg/L) from NH4Cl and NaOH? I have worked out that I need 10.7g NH4CL and 0.45 g NaOH -is this correct? I am assuming that 1st step is to prepare 0.45 g NaoH in 0.5 L distilled water...
Thursday, March 17, 2016 by niko

Math
Shaahikala needs Rs.7000 after 15 weeks to send her daughter to school. She saved Rs.150 in the 1st week and raises by Rs.50 every succeeding week. Find whether she will be able to send her to school after 15 weeks? What value is created by the above situation in you?
Thursday, March 17, 2016 by Megha

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 ...
Monday, March 14, 2016 by Debbie

Calculate and compensate 823-273
Sunday, March 6, 2016 by Kgahli

Algebra
On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience a population ...
Wednesday, March 2, 2016 by Kaai97

Geometry
In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} ​DE ​ ​​...
Tuesday, March 1, 2016 by Tyteana

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...
Thursday, February 25, 2016 by Francisco

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

science
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be .....  A. 1:2  B. 2:1  C. 1:4  D. 4:1
Thursday, February 11, 2016 by sanjay

science
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1
Wednesday, February 10, 2016 by sanjay

science
Two wires if the same metal and of the same dia. And same length are connected in series 1st n then parallel, the ratio of energy produced during series n parallel connection will be ..... A. 1:2 B. 2:1 C. 1:4 D. 4:1
Wednesday, February 10, 2016 by sanjay

Math
Find the intervals on which the function is increasing, decreasing, concave up, or concave down and find any local extreme values and inflection points. So I know how to do the above, but not with piece wise functions. Someone help me out? Y={3-x^2, x<0 and x^2+1, x>=0} ...
Wednesday, February 3, 2016 by Beth

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, ...
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

maths
two numbers are in a gp,twice the product of the 1st two numbers is 9times more than the product of the last two numbers.if the product of all the number is 9.find the gp.
Thursday, January 28, 2016 by adeyemi

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

Is 1 pirme or composte
Monday, January 18, 2016 by E

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 ...
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...
Friday, January 8, 2016 by kayla

Melissa needs to subtract 10 5/8 from 12 6/8, what is her answer?
Tuesday, January 5, 2016 by Anonymous

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

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

math
PART A)find x using the ratio of the sides 12 cm and 16 cm: x/20=12/16. Show your work PART B) find x using the ratio of the sides 6 cm and 8 cm. Show your work PART C) Explain why the answers to a and b should be the same The triangles are 1st one x,12 cm, 6cm, the 2nd one is...
Tuesday, December 15, 2015 by help

MATH
PART A)find x using the ratio of the sides 12 cm and 16 cm: x/20=12/16. Show your work PART B) find x using the ratio of the sides 6 cm and 8 cm. Show your work PART C) Explain why the answers to a and b should be the same The triangles are 1st one x,12 cm, 6cm, the 2nd one is...
Tuesday, December 15, 2015 by SHEILA LE BUFF

maTH
PART A)find x using the ratio of the sides 12 cm and 16 cm: x/20=12/16. Show your work PART B) find x using the ratio of the sides 6 cm and 8 cm. Show your work PART C) Explain why the answers to a and b should be the same The triangles are 1st one x,12 cm, 6cm, the 2nd one is...
Tuesday, December 15, 2015 by SHEILA LE BUFF

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

History
7.)Why was the repeal of the judiciary the act of 1801 significant A.)It made crimes related to slavery enforceable by law B.)In the early 1800's what the usual reason for working class children to be separated from their family? C.)It was the first decision by the nation...
Tuesday, December 8, 2015 by YRN DJ

History
7.)Why was the repeal of the judiciary the act of 1801 significant A.)It made crimes related to slavery enforceable by law B.)In the early 1800's what the usual reason for working class children to be separated from their family? C.)It was the first decision by the nation...
Friday, December 4, 2015 by YRN DJ