Tuesday

September 2, 2014

September 2, 2014

Post a New Question | Current Questions

**alegebra 2**

what is y=16x to the 2nd power-2x-5
*Thursday, October 27, 2011 at 9:07pm*

**algebra**

(5x to the 2nd power minus 4x plus 29) plus (3x to the 2nd power plus 8x minus 77)
*Wednesday, October 19, 2011 at 12:24am*

**math**

3x+y+2z=1 x+2y-z=-8 3x-y-3z=18 after I isolate x what is the 2nd equation
*Friday, October 7, 2011 at 8:42pm*

**Math**

If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your grade, then will your final grade be a B? If not a B, then what will your final grade be?
*Friday, September 2, 2011 at 4:22am*

**algebra**

what is 4.14 times 10 to the 2nd power ?
*Thursday, August 18, 2011 at 4:21pm*

**math**

what is (x to the 3rd power + x to the 2nd power) divided by ((x+4)(X-4)) multiplied by (x+4) divided by (3x to the 4th power + x to the 3rd power + 2x to the 2nd power)
*Wednesday, August 3, 2011 at 4:48pm*

**Algebra 1**

complete. 6t to the 2nd power - 23t + 20=(3t - 4)(2t - .....)
*Sunday, June 26, 2011 at 5:43pm*

**Algebra 1**

Complete. g to the 2nd power - 8g+16=(g - 4)(g....4)
*Sunday, June 26, 2011 at 5:41pm*

**Math**

If Brittany has a 49.7% grade average then for her final exam that is worth 20% of the grade and she gets a 90% what would her final grade be?
*Tuesday, May 31, 2011 at 4:51pm*

**Pre algebra**

Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?
*Wednesday, May 25, 2011 at 8:07am*

**Math**

Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?
*Wednesday, May 25, 2011 at 8:02am*

**8th grade math**

a basketball player scored 8 pts total during 1st and 2nd quarters of a game. During the 3rd quarter she scored 3 times as many pts as she did in the 4th quarter. Let P = the # of pts the player scored in the 4th quarter. Write and simplify an expression to represent the total...
*Wednesday, May 11, 2011 at 12:52pm*

**how to write 2nd may 2011 in 5 letters without usi**

how to write 2nd may 2011 in 5 letters without using numbers
*Tuesday, May 3, 2011 at 2:45am*

**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) ...
*Friday, April 15, 2011 at 1:03pm*

**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
*Thursday, March 10, 2011 at 8:32pm*

**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 ___________
*Thursday, March 10, 2011 at 1:44am*

**algebra**

12 to the negative 2nd power
*Monday, January 24, 2011 at 5:28pm*

**College Algebra**

simplify x-2/8x to the 2nd power - 32
*Thursday, December 23, 2010 at 4:18pm*

**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!
*Sunday, December 5, 2010 at 10:02am*

**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 ...
*Monday, November 15, 2010 at 7:50pm*

**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 ...
*Monday, November 15, 2010 at 7:49pm*

**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 ...
*Monday, November 15, 2010 at 5:40pm*

**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?
*Wednesday, November 10, 2010 at 6:06am*

**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. ...
*Wednesday, November 3, 2010 at 12:11am*

**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?
*Thursday, September 23, 2010 at 7:56pm*

**Math**

How is 3x2 different from 3 to the 2nd power ?
*Tuesday, September 21, 2010 at 9:43pm*

**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.
*Wednesday, September 8, 2010 at 9:13pm*

**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?
*Wednesday, September 8, 2010 at 8:42pm*

**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
*Thursday, September 2, 2010 at 7:21pm*

**algebra**

10+2[2+(1+1)-2 to the 2nd power]
*Tuesday, August 31, 2010 at 8:47pm*

**math **

Factor the expression: x to the 2nd power+3x+2?
*Tuesday, July 13, 2010 at 11:51am*

**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!!!!! {____}...
*Thursday, June 17, 2010 at 1:48pm*

**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
*Sunday, May 16, 2010 at 6:34pm*

**algebra**

(-3x+4)+(x tothe 2nd power +x-5)
*Saturday, May 15, 2010 at 12:23pm*

**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.- ...
*Wednesday, April 28, 2010 at 7:29pm*

**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!!!!
*Sunday, April 18, 2010 at 6:11pm*

**math**

division (x to da 2nd power + x - 6) / (x - 2)= ?
*Thursday, April 8, 2010 at 7:30pm*

**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 ...
*Friday, March 19, 2010 at 10:01am*

**Calculus**

2nd derivative of 3t^2 Cos(4t)
*Wednesday, March 17, 2010 at 11:02pm*

**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 ...
*Monday, March 8, 2010 at 10:04pm*

**math**

how would u factor ab (to the 2nd power) - b
*Sunday, February 21, 2010 at 5:25pm*

**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.
*Thursday, February 18, 2010 at 10:37pm*

**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.
*Monday, February 1, 2010 at 6:52pm*

**Math **

what is 12 to the 2nd power?
*Sunday, December 6, 2009 at 5:12pm*

**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?
*Thursday, December 3, 2009 at 7:03pm*

**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 ...
*Sunday, November 1, 2009 at 4:34pm*

**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 ...
*Tuesday, October 27, 2009 at 10:52am*

**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 thats the directions :S 1. ...
*Tuesday, September 22, 2009 at 9:02pm*

**Algebra**

Solve the following 2x (2nd power) + 5x - 12 = 0
*Monday, September 14, 2009 at 12:41pm*

**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 ...
*Wednesday, June 17, 2009 at 2:14pm*

**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 ...
*Tuesday, April 28, 2009 at 7:38pm*

**math**

dividing moniomials. 2 to the 2nd/2to the -3
*Sunday, March 8, 2009 at 2:17pm*

**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.
*Wednesday, February 25, 2009 at 3:00pm*

**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 ...
*Tuesday, January 20, 2009 at 5:30pm*

**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.
*Monday, December 8, 2008 at 8:23pm*

**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...
*Monday, December 1, 2008 at 11:14am*

**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?
*Sunday, November 16, 2008 at 1:16pm*

**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 ...
*Tuesday, October 14, 2008 at 3:41am*

**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?
*Wednesday, October 8, 2008 at 12:58am*

**english**

I need you to grade my paper for me . I dont 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&#...
*Friday, October 3, 2008 at 4:54am*

**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 ...
*Monday, April 21, 2008 at 10:28pm*

**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'...
*Friday, April 18, 2008 at 12:25pm*

**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 ...
*Sunday, February 24, 2008 at 4:45pm*

**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 ...
*Monday, January 28, 2008 at 12:13pm*

**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)
*Sunday, January 13, 2008 at 5:19pm*

**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 ...
*Saturday, October 13, 2007 at 12:50pm*

**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 ...
*Monday, August 27, 2007 at 7:12pm*

**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 ...
*Tuesday, May 8, 2007 at 4:41am*

**chem**

this is my question Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. I dont 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 ...
*Friday, March 23, 2007 at 9:40pm*

**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...
*Sunday, January 28, 2007 at 11:59pm*

**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...
*Tuesday, January 2, 2007 at 6:44pm*

**local and state gov.**

someone plz i really need help plz i cant find it in my text so someone plz!!! For a democracy right??? search google: branches of Government Click Bens Guide to Government for kids (1st or 2nd link) Then when you get there select your grade level in the ballon... This shows ...
*Sunday, November 12, 2006 at 7:58pm*

**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 ...
*Sunday, October 29, 2006 at 8:49pm*

**statistics**

You want to estimate the difference in grade point averages between two groups of university students to be accurate within 0.2 grade point, with probability approximately equal to 0.95. If the standard deviation of the grade point measurements is approximately equal to 0.6, ...
*Wednesday, August 13, 2014 at 2:43pm*

**statistics**

The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...
*Saturday, August 2, 2014 at 7:14pm*

**math**

how to write 2nd august 2014 in 5letters without numbers
*Friday, August 1, 2014 at 9:31pm*

**MATH**

if f(x)=x[x] / sin[x] then show that there is no existence of lim f(x) x>0 2nd prob: show lim (tanx-sinx)/x^3 =1/2 x>0
*Friday, July 11, 2014 at 11:28am*

**What does your overall grade have to be to pass?**

I'm in the eighth grade and mine is 64 percent am I passing?
*Thursday, June 5, 2014 at 10:57am*

**Algebra**

Alma can grade a batch of placement exams in 3hr and Kevin can grade a batch in 4hr. if they work together to grade a batch of exams, what percentage of the exams will have been graded by Alma?
*Saturday, May 24, 2014 at 2:36am*

**ALGEBRA**

2nd posting - my mistake When will the dependent variable in the equation y= sqrt [x+4-3] equal or exceed 4 • x ≥ –0.17 • x ≥ 45 ** is it this one? • x ≥ 48 • x ≥ 53
*Saturday, May 10, 2014 at 4:11pm*

**Math**

2(x-14)+3=7x+5 1xt open bracket=2x-28+3=7x+5 2nd 2x-25=7x+5 3rd 2x-7x=30 -5x=30 x=30/-5 x=-6
*Friday, May 2, 2014 at 12:07am*

**math question**

If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?
*Monday, April 28, 2014 at 9:39am*

**social studies**

what is the 2nd most spoken language?
*Thursday, April 24, 2014 at 8:31pm*

**Math**

How many roots does x to the 3rd power -2x to the 2nd power-13x-10=0 have
*Monday, April 21, 2014 at 4:24pm*

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 5:01pm*

**Math **

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 1:14am*

**Fractions**

Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.
*Wednesday, March 26, 2014 at 7:50pm*

**Computer **

Home work:- Write a program to read 5 records consists of first name, last name, id and grade. Assign the grade according to the following specifications: 0<g<= 50 F 50<g<=60 D 60< g<= 70 C 70<g<=90 B 90<g <=100 A Use Stringtokenizer and buffering...
*Thursday, March 20, 2014 at 12:49pm*

**algebra**

How would you solve polynomial equation for, a to the 8th power minus a to the 2nd power and b to the 6th power?
*Monday, March 17, 2014 at 5:26pm*

**math**

please solve 100 divided by 5 to the 2nd power times 4 to the 3rd power.
*Sunday, March 16, 2014 at 7:59pm*

**CHEM**

which formula do i use to solve for the rate constant of a 2nd order half life?
*Wednesday, March 12, 2014 at 10:31pm*

**MATH**

SIMPLIFY. 4 TO THE 4TH POWER TIMES 4 TO THE 2ND POWER.
*Friday, February 28, 2014 at 5:24pm*

**probability**

Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.
*Thursday, February 27, 2014 at 5:48pm*

**2nd Math**

My daughter is learning about comparison problems. I would like to know how to write one and solve it.
*Thursday, February 20, 2014 at 8:17pm*

**math**

lenzy has a 77 a c. as a grade. if she fails a test worth 26% 0/22 what will her grade be
*Tuesday, February 18, 2014 at 3:36pm*

**Statistics in Psychology**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 1:17pm*

**STATISTICS**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 5:29am*

**math**

in an AP the 10th term is 54 and 5th term is 4 times the 2nd term . Find the 1st term 'a' and common difference 'd'
*Monday, February 3, 2014 at 10:58pm*

**Math**

I got a couple questions. 1. The quotient of c and 8 2. 16 more the the product of 5 and p 3. 9 less than the sum of x and 5 4. 5x(7+3) 5. 2x(4 to the 2nd power -5) 6. 7(8)-4(8)
*Tuesday, January 28, 2014 at 4:23pm*

**maths**

The 2nd term in a geometric sequence is -4 and the 5th term is 32
*Tuesday, January 21, 2014 at 2:41pm*

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