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Homework Help: 2nd Grade

Statistics
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st card and 3 on 2nd) d) ...

World history
What was the foreign policy of William the 2nd?

World history
what was the foreign policy of william the 2nd

College Algebra
Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?

maths
The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________

Chemistry
(A) is a solution of hcl (b)is a solution of koh titrate against b8 record your titre values as follows burretreading|rough|1stread|2ndread|3rdr​ead/finalrding under rough|33.50|un der 1s rd |33.50|under 2nd rd |33.60| under3rd rd|33.70 intial rding under rough|0.00| 1st...

Ecology
Estimate the fish population of Lake Champlain using the Lincoln-Peterson Method. -Number of fish of 1st capture: 60 -Number of fish of 2nd capture: 65 Marked fish in 2nd capture: 10 -Number of fish of 3rd capture: 65 Marked fish in 3rd capture: 15 -Number of fish of 4th ...

algebra
12 to the negative 2nd power

College Algebra
simplify x-2/8x to the 2nd power - 32

Math
If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!

6th grade
Of the sixth-grade students surveyed, 12% bring their lunches to school. Suppose 24 sixth-graders do this? How many sixth-grade are at the school?

math
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

8th grade
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power cus she weights the ...

Physics
Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power cus she weights the ...

Math
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

2nd grade
The sum of my ones digit and tens digit is 10. My tens digit is les than my ones digit and both my digits are prime. i am a prime number. what number am i?

comparing fractions
at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...

Math
How is 3x2 different from 3 to the 2nd power ?

2nd grade
it says i must skip count by 10 for 1-100. then skip count by 3 for 1-100. then it says what do i see when i skip count by 10 and 3 for 1-100... i have no idea what they are talking about. plz help

algebra
10+2[2+(1+1)-2 to the 2nd power]

math
Factor the expression: x to the 2nd power+3x+2?

Math - Magic Square???
My daughter is in 2nd grade and has a worksheet called Magic 26. It wants her to use the numbers 1 -12. Each row, column, and diagonal must equal 26. The four corners and four center numbers must equal 26 too. (example of puzzle below) Please help solve. THANKS!!!!! {____}...

what can i compare middle school to?
what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money

algebra
(-3x+4)+(x tothe 2nd power +x-5)

2nd grade
the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him a big bucket. 4.- ...

find my grade average
-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!

math
division (x to da 2nd power + x - 6) / (x - 2)= ?

Math 157-1
Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of each ...

Calculus
2nd derivative of 3t^2 Cos(4t)

Algebra
How do Isolve this, 10q-25q to the 2nd power

English
I have a prompt for an English essay and it says, "In a well developed composition, identify the character, describe what the character questions about society, and explain why the character's questioning is important to the meaning of literature." It's supposed to be five ...

math
how would u factor ab (to the 2nd power) - b

2nd grade Math
The following is a table Range in lb Number Under 50-54 4 55-59 7 60-64 6 65 and higher 2 1. Write a simple comparison problem about the weights in the above table. 2. Weite an addition proble about weights. 3. Write an addition problem about the table as a whole.

1st grade Math Fair
My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help?

Math
what is 12 to the 2nd power?

math 6 grade
If 2 people have 60 shares of stock between them and you double the number of shares of the 1st person and half the number of shares of the 2nd person so that they both have equal shares. How do find the number of shares the 1st person has?

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

Algebra 1A
From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...

7th grade Pre-Algebra
Using the definition, 10(to the negative sixth power) = 1/10to the six power and x(negative2) = 1/xto the second power The definition also shows that 1/10to the six power = 10to the negative 6th power and 1/xto the 2nd power = x(negative2) I think that's the directions :S 1. ...

Algebra
Solve the following 2x (2nd power) + 5x - 12 = 0

algebra
Simplify the following expression 2(3 x - 2)(2nd Power) - 3x (x + 1) + 4

Grammar
which is the complete subject,simple subject The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. simple subject is: received 2nd degree burns :complete subject is two-and-a-half-month-old

Mathematrics
Each diagram in the sequence is obtained by drawing of a 1 unit square on each side that forms the perimeter of the previous diagram, the 1st digram contains (1) square, the 2nd diagram (4) squares and the 3rd diagram (13) squares, I would like to know how to find how many ...

visual basic
Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' read grade ...

9th grade science
Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i think that the 2nd one is correct because i no that energy is not lost ...

math
dividing moniomials. 2 to the 2nd/2to the -3

2nd grade
can you please help me with my project its about different types of Transportation eg water transportation, land trasportation and air transportation i found out land and water but cant fine anything about AIR can you please help me as my project is due tomorrow, thank you.

2nd grade
Okay, my child is doing problem solving lesson 5-7 in scott foresman addison wesley book. The question that we are having a problem with is a number line. there are 10 spaces in the number line and the clues are: Clue 1: the number are between 70 and 82 Clue 2: the first ...

2nd grade
Carly looked at a map of her neighborhood and saw that the streets form 16 intersections. Some streets on the map were represented by horizontal lines, and some streets were vertical lines. How many streets could there be in Carly's neighborhood?

Math
Hi! im looking to find relationships between sets of polygonal numbers. I have found a few through the use of finite differences, (a relationship occurs between the formula to determine the polygonal number). I have also found that the 2nd derivative of these formula ...

3rd grade
There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?

english
I need you to grade my paper for me . I don't have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it's ok...

algebra
7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please simplify these ...

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

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

Data managment math
7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...

english
when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)

Physics/Moons Orbit
The Moon describes an elliptical path around the Earth and a complete orbit is 29d 12h 44m 3s Approximately! At its closest during this orbit it is termed Perigee and at its farthest Apogee. However there must be 2 other points opposite Perigee & Apogee where the moon is at ...

2nd grade math
what is mental math and how does it work. the question is use mental math to find the missing numbers. look for the pattern in each chart.the chart ooks like eight boxes two rows of four, the filled in is 0,1,2,3,4the second row is empty, the second queston is make 6 two rows ...

2nd grade math
If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. What about a 2x2 square? A rectangle of 3x2 ...

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

chem
this is my question Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. I don't have invlog on my calculator so I hit log(7.3)= .863 for hydronium. Is this dumb for me to do? That is dumb for you to do. Get a calc that has...

Permutations
I am having trouble with this maths problem: There are 8 people at a round table - 6 guests, 2 hosts. How many possible arrangements are there if the 2 hosts aren't allowed to sit next to each other. Thanks hint: sit the two host first, then let the guest find their seats. So...

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

Stats
Dee's store monthly sales for April, May, June are three independent random variables with means and variances as follow: April: Mean: $9500 Variance: $1250 May: Mean: $7400 Variance: $1425 June: Mean: $8600 Variance: $1610 a) find the mean and standard deviation of the total ...

2nd university of Namíbia programming 2d
Give me de code for this programming 2d

Writing
What is the correct way to write this sentence? For the fourth-grade class hike, a lot if kids wore new hiking shoes, they were sturdy. Answer choices A For the fourth-grade class hike, there were a lot if kids they wore new hiking shoes that were sturdy. B For the fourth-...

math
Determine the number of ways three trumpet players out of 6 are chosen for 1st chair, 2nd chair, and 3rd chair.

Albegra
diego wrote one equation to find a missing angle measure.Write three more equations to solve the same problem 180 grade - -------=48 grade

Math
There are 6 boys entered in the 100-meter dash. How many different ways could the come in 1st, 2nd, and 3rd? They are John, Jacob, Harry, Milton, Peter and Mike. How do I solved this problem.

Math
If the 2nd and 5th term of a geometric progression are -6 and 48 respectively. Find the sum of the first four terms.

Trigonometry
2x is a 2nd quadrant angle. In which quadrant does x/2 lie?

Math
These are the first 5 terms of a quadratic sequence: 1 3 7 13 21 1st difference: 2 4 6 8 2nd difference: 2 2 2 1n^2: 1 4 9 16 25 adjustment: ? ? ? ? ? Thank you very much.

computer,science, java
Inorder to motivate the employees, the company has decided to announce the different types of bonus depends up on the employee’s Grade. If the employee belong to Grade A bonus=20% basic Grade B bonus=15% basic Grade C bonus=10% basic Grade D bonus=7% basic Grade E bonus=5% ...

science
Write a java program using classes and object to read the em[loyee code (Integer), Imployee name (string), Basic salary )double), Category (Character)then calculate the bonus(double)and the total salary(double)eligible for each employ. The output should have the employee code...

math(geometric series)
the common ratio of the infinite geometric series whose 2nd term is 3/2 and its sum is 8?

Maths
The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

Pre Algebra Review
Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?

Maths
The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

Maths
The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

Math
In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests?

Math
The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.

additional mathematics
if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference

Personal question
How would you deal with someone that has been bullying you since fourth grade? I have talked to adults talked to councelors and I have talked to his mother who happened to be my fifth grade teacher yet he is still at it. I don't want to seem like a baby and file a no contact ...

Pre alg
find 2 numbers of the 2nd number if the second number is 11 less than 3 times the first and the sum of 153?

Science
So I have an 89% in my science class and we took a test worth 15 points. I only got 8 correct which is an F. I have 2 A's, a B, and a D as the other grades in the grade book. How will this F affect my grade? I need it to stay a B

maths
The sum of first 6 terms of an Arithmetic progression is 6 the product of 2nd term and 5th term is -80 . Find the terms of A.P.

Math
A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this

Math
In​ Marissa's calculus​ course, attendance counts for 10​% of the​ grade, quizzes count for 20​% of the​ grade, exams count for 55​% of the​ grade, and the final exam counts for 15% of the grade. Marissa had a 100% average for&#...

Math
A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...

SAT Prep's
A survey asked students from grades 8 and 9 about their favorite sport. The table contains data from the survey. Baseball Basketball Football Hockey Soccer Grade 8 8 2 12 3 5 Grade 9 6 3 10 2 4 The percentage of 8th grade students who said football is their favorite sport is...

Algebra2
Let g(x) be the reflection of f(x)=x^2+5 What is the function rule for g(x)? I know the first part would be-x^2 but not sure if the 2nd part is a plus or minus.

Math
When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks

Math
How do u simplify ab to the 3rd power over b to the 2nd power

math
how many different ways can 24 horses win 1st & 2nd places

math
Two negative inetegers has a product of 35.The 2nd no. Is three more than twice the 1st no.What are the integers

GP
two consecutive terms of a GP are the 2nd ,4th and 7th terms of an A.P respectively.find the common ration of the GP

RE
I am going to take the Regents Algebra 1(Common Core)and I'd like to know whether a certain procedure of mine could lower my grade. When solving linear equations I do this: x+2=20 I just pass the 2 negative to the other side without subtracting it from the left . Can this ...

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