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Homework Help: 2nd Grade

MATH 2ND GRADE
THE SUM OF 2 NUMBERS IS 28.THEIR DIFFERENCE IS 2 WHAT ARE THE NUMBERS?

math
evaluate 17-5to the 2nd powerdivde by(2 the fourth power + 3 to the 2nd power

math
The math problem is........... 3n to the 2nd power when n=3 what do I do first if nothing is in parenthesis? Do I multiply 3n or do n to the 2nd power first? square n, then multiply it by three. That's a good question Nikki. We would read (3n)^2 as quantity 3n to the 2nd. We ...

math
Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?

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?

Math
On Feb. 27th, 2010, an earthquake of magnitude 8.8 occurred off the coast of Chile lasting up to 3 minutes. Five months later, a 2nd earthquake occurred with magnitude of 5.3. How much more intense was the first earthquake compared to the 2nd earthquake?

Chemistry
1.06g of Na2CO3 is dissolved in water to make 250cm^3 solution. 10.0 cm^3 of this solution was further diluted to make 500cm^3 of 2nd solution. 25.0cm^3 of 2nd solution reacted with 28.5cm^3 of HCl. Find the concentration of HCl in mol/dm^3

English
1. On the 2nd basement, there is a book store. 2. In the 2nd basement, there is a book store. 3. A book store is on the 2nd basement. 4. A book store is in the 2nd basement. 5. A book store is on basement 2. 6. A book store is in basement 2...

English
1. The products are on the 2nd floor in section D. 2. The products are in section D on the 2nd floor. -------------------- Are both grammatical? Which word order is better?

English
* They refers to 'history books.' 1. They are on the 2nd floor in Section D. 2. They are in Section D on the 2nd floor. (Are both the same? According to the word order rule, which one is right?)

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

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} ...

2ND GRADE MATH
I have 3 coins, They total less than 25 cents. I cannot make 15 cents. I can make 6 cents. What are my coins.

2nd Law Physics
You fashion a sling shot with a rather long and wide rubber band and practice hurling pebbles. You pull back on the center of the band with a force of 2.31 N. The angle between the two halves is 107°. What is the tension in the band? I get the gist of setting up Newton's 2nd ...

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...

physics
An object traveling 339 m/s strikes a 2nd object and comes to rest 24 cm inside of the 2nd object (which does not move). What is the 1st object's average deceleration (m/s/s)?

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.

math
The 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one twenty fourth the 5th term.find the 4th term.(there is a mistake in the 2nd to the last statement.help locate the mistake{final answer 4th term =48).i solved to this extent.ar^2=9 r=3.

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?

2ND GRADE MATH
A store sells 2 boxes of 100 pencils and some single pencils. Choose all the numbers that show how many pencils the store could sell: 1. 219, 2. 206, 3. 120, 4. 182

2nd grade math
A number has more ones than tens. the value of the tens digit is 50. the ones digit in the number is less than 7. what are the possible numbers

algebra
The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to represent the unknown value

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)

2nd grade math
Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?

Physics
A particular asteroid has a circular orbit about the Sun with a radius of 450 million miles. How long does it take to go around the sun? Compare the prediction of Kepler's 2nd law to a direct computation with Newton's 2nd law. How much area does the line connecting the ...

math
1)on the 7th grade honor review exam, student were asked to create a power with a base of 3 that is greater than 9 but less then 3 to the 5th power . two powers that student created show below. Describe why each of the solutions is incorrect 5 to the 3rd power 3 to the 2nd power

Math
Julie has been offered two jobs. The 1st one pays $400 per week. The 2nd job pays $175 per week plus 15% commision of her sales. How much will she have to sell i n order for the 2nd job to pay as much as the first? how do you do this? i don't know the steps to.

Intermediate Algebra
add or subtract the following polynomials as indicated (5.9x to the 3rd power+3.4x to the 2nd power - 7)-92.9x to the 3rd power -9.6x to the 2nd power +3)

math
6 runners run in a 500 yard dash. Prizes are awarded for 1st, 2nd, and 3rd place. Assume there are no ties, how many different orders can the runners finish 1st, 2nd, and 3rd?

math
at2pma train leaves at 8pm 2nd train leaves at 162miles per hour faster than 1st train 2nd train takes over at10pm what are the speeds of the2 trains

statistics
The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B” grade to the next 10% of...

5-6th grade Math
Follow instructions: 1) Write the word SOLAR. 2) Add the 5th letter of the alphabetto the right of the last letter from the left. 3) Remove the 19th letter of the alphabet and replace them with the 14th letter of the Alphabet. 4) Remove all vowels EXCEPT the 2nd vowel of the ...

Chemistry
Can someone help me identify the functional groups and what the chiral carbons are? NOTE: THE LAST C HAS A DOUBLE BOND POINTED UPWARDS CONNECTED TO O. SORRY I TRIED MAKING IT AS CLEAN AS I CAN. STARTING FROM LEFT TO RIGHT THE 2ND C HAS A NH3 ATTACHED. THEN NUMBER 3 HAS A CH2-O...

Intergated chemistry/physics
A 200 pound go-kart with a speed of 20 miles/hour collides with a 2nd go-kart (that was at rest) and causes it to move at a speed of 15 miles per hour. What is the mass of the 2nd cart if the first kart came to a stop upon collision?

Sociology/Psychology
I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any topics (interesting ones) in Sociology and Psychology.

Math
15x to the 8 power x y to the 2nd power divided by 15x to the 6th power y to the 2nd power equals?

physics
Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...

Calculus
A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.

physics
Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...

grade 11 math
at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal

SS Help!
The 2nd amendment is "the right of the people to keep and use bear arms". what does Right to keep and bear arms means??? (please tell in a 7th grade level)

social studies
I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.

math
at hill school 112 new books arrived for each grade 2nd, 3rd and 4th which shows one way to find about how many books arrived at the school in all

math 2nd grade
Makoto and Otis each decorate diamond patterns that are the same size and shape. Makoto deoorates 1/8 of a diamond. Otis decorate 1/4 of a diamond. Who decorates more

math 2nd grade
valarie makes 2 pans of brownies for a bake sale. She cuts each pan into 12 brownies. She sell 15 brownies. What fractional part of a pan of brownies did valarie sell?

math 2nd grade
simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your answer

Math Lit
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.

Math
How do you solve 2t - 4t to the 2nd power? 2t-4t to the 2nd power Identify the greatest common factor Factor this expression

My Awards (to share with teachers)
1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...

differential equations
Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two first-order equations. please ...

5th grade math
f I have 3 geese in the first pattern, 5 in the 2nd pattern, & 7 in the 5th pattern, how many geese will be in the 10th and 100th patterns?

2nd Grade Math
Jordan spent $6.37 on a book and $1.23 on a magazine. How much did he spend all together? First estimate the costs and the totals. _____+______=______ Then use partial sums and solve. _____

appling middle
If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70

Physics
I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...

math
The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power

2nd grade
jose worked for 13 minutes weeding the garden. when he has worked 20 minutes he will get a dollar, how many more minutes does he need to work to get the dollar?

2nd grade
I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place

math/2nd grade
One box holds 16 crayons. Another box holds 24 crayons. Write a sentence using words that compare the crayons in the two boxes. (not a number sentence 24>16)

2nd grade math
Shawn is writing down the family recipes in a cookbook. He has 21 recipes left to write down. He has 3 pages left to fill up. If he wants to put the same number of recipes on every page, how many goes on each?

2nd grade
Please tell me which sentence is correct. Adrian chose him and I for the job. *Adrian chose him and me for the job.

2nd grade
my son has a project on Georgia's Landforms, I don't know wht to do or where to start. Will you please give my an example on what I can do. They are allowed to use shoe boxes, styrofoam balls, cardboard boxes, clay play dough, popsicle sticks, tissue and paper towel tubes.

2nd grade
Sam lives 5 miles from school, Joe lives 2 miles from school, and Andy lives 1 mile from school. What is the range of the miles the boys live from school?

2nd Grade Math
Craig reads a book with 10 pages in the morning, a book with 26 pages before dinner, and a book with 10 pages after dinner. Find the mode of the number of pages in the books that Craig read.

2nd grade
Sam lives 5 miles from school, Joe lives 2 miles from school, and Ady lives 1 mile from school. What is the range of the miles the boys live from school?

arithmetic
WAT IS 2/3 TO THE 2ND POWER TIMES 3/5 TO THE 2ND POWER

2nd grade
there are 20 pages in jamals book he read 1/5 of the book how many pages did he read

2nd grade
there are 16 children in room a. there are 11 children in room b. can they make 2 equal teams? How many children would be on each team?

elemmanarty algebra
Divide xy to 3rd power -3xy to 2nd power +2x to 2nd power y by xy

math
5p to the 2nd power t + 3p to the 2nd power t = ?

Statistics
Two cards are drawn in succession from a standard deck of 52 cards without replacing the first one before the second. a) Are these outcomes are independent? Why? b) Find P ( 3 on 1st card and 10 on the 2nd card) c) Find P( 10 on the 1st card and 3 on 2nd card) d) Find the ...

classroom instruction
Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.

Math - average grade
Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...

2nd grade
guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?

2nd grade
lucy's shade is covering nine-twelfths of her window. draw and clor nine-twelfths of a square to show lucy's window.Write te correct fraction

reading
hi!i am an adult. i am 44 years old,i am at a 2nd grade level.i havent gone to school when i was a child i would like some educatiod. please if you can give me some exercises to do on adaily basis i would really appreciate. Thank you. Buddy

11th grade
The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?

8th Clinton Junior High School
What is the Dividing Power of 12 a to the 2nd power or squared b to the 3rd power of cubed over or Divided by 6 a to the 2nd power b

2nd grade
mom weighs 100 pounds her son weighs 450 pounds. how many pounds do they weigh in all?

2nd grade
how do you multiply a 2-digit number times a 1-digit number.

external/internal character analysis
Hi, I need to prepare a demo lesson for 2nd grade on teaching character internal/external traits to students the lesson needs to be 40 minutes can you give me any ideas

MATH
omg i hate my h.w no one can answer it ....like wtf! who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?

math
who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?

11th grade
if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?

2nd grade
Teacher wants below words sorted by Pattern. What does that mean? here are the words: did, fin, pick, nine, pipe, rip, mix, five, side, hike, cape, made, because, off, picture, deaf, language, signing, cultures, relatives, celebrate. We don't know where to begin.

math
When solving a system using elimination on a TI-84 calculator how do you do it? I forgrt all the steps heres the ones i know 1. 2nd (button) Matrix 2. Edit Matrix A 3. Edit Matrix B 4. 2nd (button) Quit what's next? Thanks

Algebra
Simplify the following [2x / (3x (2nd power) - 5x - 2] + [(x-1) / (x (2nd power) -x - 20)]

Math
x(2nd power)+ 2x - 3 ________________________ (Divided by) x (2nd power) + 3x

algebra 2
i have a piece of wood 72 inches long i cut it into 3 peices. the 2nd peice is 6 inches longer than the 1st the third id 6 inches longer than the 2nd. write and equation and solve??

maths 4th grade
In end of term tests Zanna got the following marks mathematics 54/75 history 27/40 geography 39/50 english 48/60 french 25/40 art 15/20 what was her best subject her 2nd best her 3rd her 4th her 5th her 6th please show workings

2nd grade
Kayla has these strawberries. She will give four strawberries to each of her three friends. How many strawberries will be left for Kayla?

Physics
This is a basic question on motion. I must choose a procedure to test sideward motion and have no clue where to start. I am in 2nd grade so this test needs to be relatively simple. Thanks!

business calculas
A cylindrical can is to hold 20 pie mraised to the 3rd power. The material for the top and bottom costs $10/m raised to the 2nd power and material for the side costs $8/m to the 2nd power. Find the radius r and height h of the most economical can.

2nd grade math
in a lesson about reading strategies and making predictions in math i was asked this... celia has a new kitten. it is 5 inches tall. will it be 5,12, or 24 inches tall when it is grown up? how do i fgure this out?

question
bus holds 66 people. Starts out empty. Picks up 1 person at the 1st station. 2nd person at the 2nd station 3rd person at the 3rd station and so on. No one gets off. After how many stations will fill up the bus Show your work- explain your thinking?

2nd grade Math
Wich 3 flowers add up to 85 cents? Tulip-48 cents Rose-52 cents Dafidale-25 cents Viloit-37 cents Sunflower-23 cents

2nd grade math
Danielle has 18 marbles. All the marbles are either black or gold. There are 4 more gold marbles than black. How many black marbles are there.

physics-mechanics
a ball, m1, is held in place, 30 degrees from the roof it is connected to, from m1 hangs a 2nd ball m2, 1 pendulum connected to another pendulum. what is the acceleration of the 2nd ball, m2, the moment m1 is released?? my 1st thought was, simply -g, since m1 isnt held anymore...

math need help please
-9 to the 2nd power - (-6) to the 2nd power

american history
ok im doing a crossword puzzle on the constitution info...i'm doing 11th grade history and i just need 2 answers left... the 1sr is , powers of both the state and federal governments (but the third letter is s) ..2nd is and anti federalist (during the constitution time)

Math
1st plane flew at 600km/h 15 minutes later..... 2nd plane flew at 700km/h how long did it take the 2nd plane to overtake the 1st plane? for my answre, I got 1.75h Is this correct? The book said it was 1.5 Thanks

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