Saturday
April 19, 2014

Homework Help: 2nd Grade

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2nd grade
Ok,the first number is 72 (it has two ones), then 73, 74 ... On the second, the number before the last has to be 42 This is using the unit digit as number Cubes, that is, two ones.
Tuesday, January 20, 2009 at 6:21pm

math
With each grade, the workers added 4 cookies. 1st -- 4 2nd -- 8 3rd -- 12 4th -- 16 5th -- 20 6th -- ?? 7th -- ??
Sunday, January 11, 2009 at 9:43pm

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
Wednesday, January 7, 2009 at 7:22pm

2nd grade
Being on time by learning the daily school __ __ __ __ __ule.?
Monday, December 15, 2008 at 9:20pm

2nd grade
uh uh uh.....
Wednesday, December 10, 2008 at 11:41pm

2nd grade math
Here's a better way. After you've drawn 18 marbles, color 4 of them gold. Then color half of the rest black and the other half gold.
Monday, December 8, 2008 at 8:44pm

2nd grade
I have project to do I have to do some invention can any one give me idea what to do? thanks.
Saturday, November 22, 2008 at 10:57pm

Math Check
is the 2nd equation 2x + 2y = 112 I don't get 4... I'm sure the 1st equation is x+y = 110 but I can't figure out the 2nd.
Wednesday, November 19, 2008 at 5:14pm

2nd grade
Draw four parallel horizontal lines on a piece of paper. Then see how many vertical lines you have to draw to create sixteen intersections.
Sunday, November 16, 2008 at 1:27pm

2nd grade
wooden ( I went to Google, searched for "anagram", clicked on the first link, pasted "oedown" into the box, and clicked "Get anagrams" )
Thursday, November 13, 2008 at 9:48pm

math need help please
-9 to the 2nd power - (-6) to the 2nd power
Wednesday, November 5, 2008 at 11:43am

2nd grade
I didn't see ladybird in that site. This beetle is also called a ladybug in North America. However, I still didn't find any reference to what the babies are called.
Sunday, November 2, 2008 at 10:03am

2nd grade
it is 37 if you add 3+7=10 37 is between 30 and 40
Wednesday, October 29, 2008 at 10:38pm

2nd grade english
What is a predicate? What is the subject & predicate of the following sentence? Mom parked the car.
Wednesday, October 29, 2008 at 7:29pm

2nd grade
what is the number? it is greater than 30 and less than 40 if you add the digits the sum is ten write the word number
Monday, October 6, 2008 at 8:19pm

math 7th grade
what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.
Monday, September 22, 2008 at 8:50pm

Help!
I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50 is the 1st number, ...
Friday, September 19, 2008 at 12:14pm

2nd grade
Closing Signature Some letters also include the address of the sender and the address of the person receiving the letter at the top.
Monday, September 1, 2008 at 8:44pm

2nd grade science
Horse flies aren't a social insect, like honeybees or some wasps which live all together in a nest, but they tend to congregate where there is a source of food, and places to lay their eggs. So, usually when you find one horsefly, you'll find a bunch more.
Monday, August 25, 2008 at 2:40am

math
evaluate 17-5to the 2nd powerdivde by(2 the fourth power + 3 to the 2nd power
Tuesday, September 11, 2007 at 5:13pm

2nd grade math
Mental Math is math that you do inside your head.
Monday, August 27, 2007 at 7:22pm

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. ...
Thursday, September 7, 2006 at 9:13pm

maths
If the first is a, then the 2nd is ar In the AP, then, 2ar-a = ar^2-2ar r^2 - 4r + 1 = 0 r = 2±√3 Since we know r>0, r=2+√3 check: without loss of generality, w can take a=1. Then we have GP: 1, 2+√3, 7+4√3 if we double the 2nd term, we have 1...
Sunday, April 6, 2014 at 1:39pm

MATH
so 1/4 in fourth and 1/4 in fifth grade 1 = 2/5 * 400 = 2 * 80 = 160 grade 2 = 2/8 * 400 = 2 * 50 = 100 grade 3 = 1/10 *400 = 1 * 40 = 40 grade 4 = 1/8 * 400 = 1 * 50 = 100 grade 5 = 1/8 * 400 = 1 * 50 = 100 grade 2 is 2/8 which is 1/4 by the way, sme as grades 4 and 5
Monday, March 24, 2014 at 3:23pm

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)
Monday, March 24, 2014 at 3:14pm

Math - PreCalc (12th Grade)
spread = 5-2 = 3 if cut into n pieces, each base = 3/n endpoint of 1st rectangle = 2 + 3/n endpoint of 2nd rectangle = 2 + 2(3/n) ... endpoint of kth rectangle = 2 + k(3/n) = 2 + 3k/n f(2+3k/n) = 2(2 + 3k/n) + 1 = 5 +6k/2 I see you have two other questions above that follow ...
Friday, March 21, 2014 at 11:40am

technology
Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? ...
Friday, March 14, 2014 at 6:58pm

2nd grade
The first group has straight lines .(AEFHIKLN) The second group has curved lines.(BCDGJOP) The rule is straight lines.
Monday, March 10, 2014 at 8:29pm

2nd grade
The first group has straight lines . The second group has curved lines. The rule is straight lines.
Monday, March 10, 2014 at 8:27pm

math(QUESTION)
Suzan has a 69 as her grade in a class. If she does a quiz worth 9% of her grade what will her grade be?
Friday, March 7, 2014 at 11:13am

mat 116
if you rearrange into the same format, you have 2x+4y = -1 6x+12y = -3 If you multiply the 1st by 3, you see that it is the same as the 2nd. So, they are really the same line, and there are infinitely many solutions. That is, every point on the 1st line is also on the 2nd line...
Sunday, March 2, 2014 at 11:32am

Math.G.P
arithmetic mean of 1st and 3d = (x-2 + x+6)/2 = (2x + 4)/2 = x+2 let the 2nd be y then y/(x-2) = (x+6)/y y^2 = (x-2)(x-6) y = ± √((x-2)(x+6)) mean:2nd = 5:3 (x+2)/√((x-2)(x+6)) = 5/3 square both sides and expand (x^2 + 4x + 4)/(x^2 + 4x - 12) = 25/9 25x^2 + ...
Friday, February 14, 2014 at 9:28am

2nd grade math
80m/11 lights = 7.2728 m between lights, 7.2728 * 4 for a distance of 4 lights in between the two is = 29.1 m
Sunday, February 2, 2014 at 8:52pm

Math help
for all 3 , elimination looks like the easiest way 1. -7x-6y=-21 -x-6y=-3 subtract them to eliminate the y's -6x = -18 x = 3 back into the 2nd: -3-6y=-3 -6y=0 y = 0 ----------> x = 3, y = 0 2. -7x+2y=13 -14x+4y=26 Did you notice that the 2nd equation is simply twice the...
Saturday, January 25, 2014 at 10:07pm

math
just solve as for equations. If you find the roots, then for the parabola, y>=0 outside the interval containing the roots. For the cubic, you know y<0 where x is less than the smallest root. y>0 between the 1st and 2nd roots, y<0 between the 2nd and 3rd roots y>...
Sunday, December 15, 2013 at 6:14pm

Algebra2
minus the first from the 3rd equation we get 3x-3x + 2y-2y + 3z -z = 7-1 2z = 6 z = 3 plug into the 2nd equation to get 5x+5y = 3-12 = -9 plug into the first equation to get 3x+2y = 4 Multiply the 2nd equation by 2 and the 1st by 5 10x+10y = -18 15x+10y = 20 minus first from ...
Tuesday, December 10, 2013 at 9:45am

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...
Thursday, December 5, 2013 at 7:50pm

Algebra 1 Answer Check (Reiny or Kuai)
1. y=6 and y=-8 are parallel, they are both horizontal y=6x + 5 and y = 6x-7 are parallel, they both have a slope of 6 2. the first and third are parallel, you had that but also the 2nd and last line are parallel, both have a slope of -2 3. the 1st and 2nd lines are ...
Monday, December 2, 2013 at 7:20pm

5th grade math
In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
Sunday, December 1, 2013 at 8:35pm

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
Thursday, November 21, 2013 at 9:53pm

Math
prob of getting one black from 1st box = 3/4 prob of getting one black from 2nd box = 6/8 = 3/4 mmmmmhhhh? prob(2 blacks from 1st) = (3/4)(2/3) = 1/2 prob(2 blacks from 2nd) = (6/8)(5/7) = 15/28 mmmh again!
Tuesday, November 12, 2013 at 11:27am

Algebra 1 (Ms. Sue or Steve or Reiny)
1. So he can hire up to 5 more people 0 ≤ x ≤ 5, where x is the number of people still to be hired. (4/5)h ≥ -2 times 5 4h ≥ -10 divide by 4 h ≥ -5/2 mmmh, what is 115/12 ? Will she have enough buttons to make 10 shirts? 5. Depending on the "...
Monday, October 28, 2013 at 9:19pm

math
Simplify the expression. 5(x − 1) − 3(x2 + 4x + 5) − 8(x + 7) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial
Saturday, October 19, 2013 at 12:12pm

math
(x + 6y − 5z) − (x − 2y + 4z) Classify the answer by number of terms and degree. 1st-degree monomial 1st-degree binomial 1st-degree trinomial 2nd-degree binomial 2nd-degree trinomial
Saturday, October 19, 2013 at 11:21am

VNS,Math
let distance he went each way be x miles time for first leg = x/4 time for 2nd leg = x/3 x/4 + x/3 = 7/2 times 12 3x + 4x = 42 x = 6 he went 6 miles into the road check: time for 1st part = 6/4 hrs time for 2nd part = 6/3 hrs and 6/4 + 2 = 3/2 + 2 = 7/2
Wednesday, October 9, 2013 at 1:41pm

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 dont know the steps to.
Thursday, October 3, 2013 at 7:44pm

2nd Grade REading
http://www.jiskha.com/display.cgi?id=138​0422555
Tuesday, October 1, 2013 at 9:40pm

Grammar Advisor
I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct sentence using the ...
Wednesday, September 25, 2013 at 10:13pm

check answer - Maths
or ... using substitution from the 1st: y = 3x-2 sub into the 2nd 3(3x-2) + 9x = 4 9x - 6 + 9x = 4 18x = 10 x = 5/9 back into the 1st: y = 3(5/9) - 2 = 5/3 - 2 = -1/3 in original: 1st equation: LS = 3(5/9) - (-1/3) = 6/3 = 2 = RS 2nd equation: LS= 3(-1/3) + 9(5/9) = -1 + 5 = 4...
Friday, September 20, 2013 at 7:35am

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)
Saturday, September 7, 2013 at 2:05pm

Math
growth factor in first year = 1+r growth factor in 2nd year = 1.08 growth factor in 3rd and 4th year = 1.02 so 150000(1+r)(1.08)(1.02)^2 = 150000+45000 1+r = 195000/(150000(1.08)(1.02)^2) 1+r = 1.15696 r = .15696 = 15.696fi or appr 15.7 % so at end of first year sales ...
Thursday, August 15, 2013 at 8:38am

algebra
let's eliminate the y's 1st times 7 --> 49x -63y = 91 2nd times 9 -> 81x + 63y = 819 add them: 130x = 910 x = 7 back into 2nd ... 9(7) + 7y = 91 7y = 28 y = 4 x=7 , y = 4
Wednesday, August 7, 2013 at 10:27am

Math
1st one: 5u + 2v = 15 double the 2nd: 6u + 2v = -14 subtract them: -u = 29 u = -29 sub into 2nd: 3(-29) + v = -7 v= -7 + 87 = 80 u = -29 , v = 80
Thursday, July 25, 2013 at 2:15pm

math
#4. Represent the unknowns with a variable. Let x = smallest side Let x + 5 = larger side (according to the 2nd statement) Let 2x - 1 = largest side (according to the 2nd statement) Then setup the equation. Recall that the perimeter of a triangle is just the sum of the lengths...
Monday, July 8, 2013 at 11:32pm

math
I guess I did not interpret the question correctly the first time around. "At least 4 blocks" means that the 2nd, 3rd, 4th streets (north-south) are not accessible. Similarly, the 2nd to the 12th avenues (east-west) are not accessible. So near the starting point ...
Saturday, June 15, 2013 at 2:45pm

conditional sentence
1. If the sound system hadn't failed,last night's show would have been better a. this is a correct sentence using the 1st conditional form b. this is correct sentence using the 2nd conditional form C. this is a correct sentence using the 3rd conditional form answer A 2...
Wednesday, June 12, 2013 at 6:04am

applications of vectors
first vector = (150cos62.4, 150sin62.4) 2nd vector = (114cos54.9 , 114sin 54.9) resultant = first vector + 2nd vector = (135.045 , 226.1996) magnitude = weight = √(135.045^2 + 226.1996^2) = appr 263.4
Sunday, May 12, 2013 at 11:04pm

Math
Adam --- x apples Bob ---- y apples x+39 = 2y or x - 2y = -39 2x = y + 39 or 2x - y = 39 the first equation: x - 2y = -39 double the 2nd : 4x - 2y = 78 subtract them: 3x = 117 x = 39 into the 2nd: 78 - y = 39 -y = -39 y = 39 They each picked 39 apples.
Sunday, May 12, 2013 at 10:56pm

Grade 12 Calculus
I will do the first, you do the 2nd a) y = x^2 - 4x + 3 dy/dx = 2x - 4 = 0 for max/min 2x=4 x = 2 if x=2, y = 4 - 16 + 3 = -9 if x = 0, y = 3 if x = 3 , y = 9 - 12+3 = 0 the min is -9 and the max is 3
Wednesday, April 17, 2013 at 10:59pm

algebra
I believe it was a sum of -30 no big deal .... 1st integer x-2 2nd integer x 3rd integer x+2 x-2 + x + x+2 = -30 3x = -30 x = -10 1st is -12 2nd is -10 3rd is -8
Thursday, April 11, 2013 at 8:13am

language arts
http://www.dictionary.com My grandkids have been looking words up since 2nd grade.
Friday, March 29, 2013 at 6:21pm

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...
Sunday, March 24, 2013 at 5:22pm

maths-trignometry
let tanA = 1/7 and tanB = 1/13 then tan(A+B) = (tanA + tanB)/( 1 - tanAtanB) = (1/7 + 1/13)/(1 - (1/7)(1/13) ) = (20/91) / (90/91) = 20/90 = 2/9 and if we let tanC = 2/9 then A + B = C thus tan^-1 (1/7) + tan^-1 (1/13) = tan^-1 (2/9) check with your calculator take 2nd Tan (1/...
Saturday, March 16, 2013 at 3:02pm

Math
speed for first leg --- x mph speed for 2nd leg ---- x+10 mph time for 1st leg = 150/x time for 2nd leg = 183/(x+10) 183/(x+10) - 150/x = 3/60 = 1/20 times 20x(x+10) 3660x - 3000(x+10) = x(x+10) 3660x - 3000x - 30000 = x^2 + 10x x^2 - 650x + 30000 = 0 (x-600)(x - 50) = 0 x = ...
Thursday, February 28, 2013 at 10:28pm

algebra
12m to the 3rd power plus 12m to the 2nd power plus 0m divided by 3m to the 2ns power divided by 3m to the 2nd power
Tuesday, February 19, 2013 at 11:53am

Algebra
x 1st + even integer x+2 2nd + even integer x^2+(x+2)^2= 164 x^2+x^2+4x+4-164=0 1/2(2x^2+4x-160=0) x^2+2x-80=0 (x+10)(x-8)=0 x=-10 & x=8, disregard -10 since we are looking for positive integers... so, x=8 (1st even) x+2= 10 (2nd even)
Monday, February 4, 2013 at 5:31am

algebra
plug the 2nd into the 1st 5(2-3y) + 8y = -4 10 - 15y + 8y = -4 -7y = -14 y = 2 plug into the 2nd to get x looks like one solution , which was not one of your possible choices
Sunday, January 27, 2013 at 9:16am

2nd grade
The first set of letters has all straight letters and the second set of letters are all curved in some sort!!! I seriously sat there four hours trying to figure out what the heck they were talking about, I actually tried sounding them all out thinking that was what they were ...
Thursday, January 10, 2013 at 8:11am

maths
given: sum of 2n terms = 3* sum of n terms (2n)/2 [2a + (2n-1)d ] = 3(n/2) [2a + (n-1)d ] 2(2a + 2nd - d) = 3( 2a + nd - d) 4a + 4nd - 2d = 6a + 3nd - 3d -2a = -nd -d 2a = nd + d then sum of 3n terms : sum of n terms = sum of 3n terms / sum of n terms = [ (3n/2) [2a + (3n-1)d...
Tuesday, January 8, 2013 at 8:23am

maths
Engineering -- E Science ------ S Prob (E is picked from 1st group) = 3/8 prob(E is picked from the 2nd group) = 5/8 first picking is determined by a die toss of 3 or 5 which has a prob of 2/6 or 1/3 2nd picking is determined by any other die toss which is 2/3 prob of your ...
Friday, December 28, 2012 at 8:27am

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...
Wednesday, December 19, 2012 at 10:28pm

physics math
first car: a = 2 m/s^2 v = 2t + c when t = 0 , v = 0 m/s 0 = 0 + c , so c=0 so v = 2t d = t^2 + k when t = 0, d = 0 0 = 0 + k, so k=0 for 1st car: d = t^2 2nd car: v = 35 d = 35t + c when t= 0 , d = 0 , so c = 0 for 2nd car : d = 35t so we want t^2 = 35t t^2 - 35t = 0 t(t-35...
Monday, December 10, 2012 at 9:00am

Math (trigonometry)
should have been cos 45 = x/27.4, you have it upside down, cos ? = adjacent/hypotenuse x = 27.4(cos45) = 19.3747 so the centre is 19.3747 ft from home making the pitcher mount 19.3747 - 18.4 or .9747 ft from the centre, and being closer to home than 2nd base. BTW, you should ...
Sunday, December 2, 2012 at 4:55pm

Chemistry
Energy Level Transfer of Hydrogen's electron. For each line, determine the prinicpal energy level to which hydrogen's electron was excited. When the electron fell to the 2nd level, energy was released corresponding to each of the lines. E= 2.179X10-18 (1/n2 lo- 1/n2 hi...
Wednesday, November 7, 2012 at 2:33pm

Math
A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.
Sunday, October 21, 2012 at 12:23pm

Algebra2
domain is set of all 1st numbers range is the set of all 2nd numbers function iff each 1st number maps to a unique 2nd number. So, what do you get?
Thursday, October 11, 2012 at 3:22pm

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?
Thursday, October 4, 2012 at 9:36am

Math
let time of 1st jet be t hrs then time of 2nd jet = t-1/2 hrs distance of 1st = 564t distance of 2nd = 722(t-1/2) = 722t - 361 but they went the same distance, so ... 564t = 722t - 361 -158t = -361 t = 2.285 hrs so the 2nd takes 2.285 - .5 hrs = 1.785 hrs or 1 hour and 47 minutes
Wednesday, October 3, 2012 at 3:13pm

Math
let's look at the prob that they are all different start by picking any glove, now you have 1 there is 1 of the remaining 9 that will match we don't want that, so the prob that the 2nd is NOT a match is 8/9 prob that the 2nd and third are NOT a match = (8/9)(7/8) prob ...
Tuesday, October 2, 2012 at 8:03pm

Calculus
Your method is correct, except you must have made an arithmetic error, I got (-4, -5, -2) as the cross-product a) which we can change to (4,5,2) b) since we have a point (0,0,0) the equation of the required plane is 4x + 5y + 2z = 0 Another way: Add the two equations -x + 2z...
Monday, October 1, 2012 at 7:55pm

math
Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person catch up with the ...
Monday, October 1, 2012 at 11:28am

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.
Friday, September 28, 2012 at 8:52pm

spanish
I do not like the phrase I found because it does not have meaning, but the three words exists in spanish: sos apiles hispanohablante sos (in Argentina) conjugation of the verb to be, singular 2nd person. apiles - conjugation of the verb apilar, singular 2nd person, and the ...
Tuesday, September 25, 2012 at 6:11pm

7th Grade Math
They started at the 34 yard line. They need to get to the 44 yard line for a first down. On the first play they lost 12 yards and on the 2nd play they lost 8 more yards. It is now 3rd down. Please help me. Thank ya
Thursday, September 13, 2012 at 2:12pm

Math
third piece ---- x 2nd piece = (4/7)x 1st piece = (5/8)(4/7)x = (5/14)x a) ratio of 1st : 2nd : third = (5/14)x : (4/7) : x = 5/14 : 4/7 : 1 = 5 : 8 : 14 b) do the same way c) add up the 3 pieces x + (4/7)x + (5/14)x = (14x + 8x + 5x)/14 = (27/14)x first : total = (5/14) x : (...
Tuesday, September 11, 2012 at 8:57am

health, safety and nutrition
Dear 2nd graders, When you are in third grade you will have lots of fun. You will earn toknes or something else for being good. You can also spend them. 3rd grade is really fun because you can play learning games. When you spend your toknes on prizes there is always one secret...
Friday, August 24, 2012 at 6:12am

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?
Tuesday, July 10, 2012 at 3:02pm

College algebra
Let X be distance per hour, Ist trip=18miles =18/X 2nd trip=23miles =23/X,=1hr longer speed,S=2nd trip-1st trip X=23-18 X=5mph. checkings 23/5 -18/5 =4.6-3.6=1hr
Friday, June 22, 2012 at 8:51pm

physics
For the first divergent lens F1= - 8 cm, object distance u = 4 cm. Apply 1/F1 =1/v+1/u, plug the value of F1 and u, and solve for v -1/8 = 1/4 + 1/v, the image distance for first lens (to the left ofthe first lens) v = -2.67cm. Distance between two lences d= 15 cm. Image ...
Thursday, May 31, 2012 at 4:18am

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.
Sunday, May 20, 2012 at 1:42pm

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
Tuesday, May 15, 2012 at 3:49pm

math
3p + b = 826 2p + 2b = 696 divide the 2nd by 2 p + b = 348 subtract from the 1st 2p = 478 p = 239 sub into simplified 2nd 239 + b = 348 b = 109 pizza slice costs $2.39 and a brownie costs $1.09
Wednesday, May 9, 2012 at 8:08am

algebra ll
1st term: 3rd Deg. 2nd term: 2nd Deg. 3rd term: 1st Deg. 4th term: 0 Deg. The deg. of a polynomial with one variable(x) is = to the largest exponent. Therefore, we have a 3rd deg. or 3rd order polynomial.
Monday, May 7, 2012 at 3:56pm

2nd grade math
dont just solve for him show him how he can do it joei you know you want 4/6 of 18 so lets say x is the number that you are searchign for x/18 = 4/6 cross multiply, meaning x times 6 and 4 tiems 18 giving you 6x= 72 and then divide by 6 on both side so 6x divide by 6 is x ...
Monday, April 30, 2012 at 5:39pm

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)
Tuesday, April 10, 2012 at 7:07pm

Geometry
since C=2pi*r, the radius of the 2nd pipe is 20π/2π = 10 so, the 2nd pipe has radius twice the 1st pipe. If linear dimensions scale by n, area scales by n^2 volume scales by n^3 So, now you have what you need.
Friday, April 6, 2012 at 2:52pm

Algebra
time for first trip --- x hrs time for 2nd part of trip ---- (5-x) distance for 1st part = 56x miles distance for 2nd part = 60(5-x) so solve: 56x + 60(x-5) = 290
Sunday, March 25, 2012 at 10:02pm

math
I would use substitution from the 2nd equation.... x + y = 18 ----> y = 18-x sub into the 1st 3x + 2(18-x) = 40 3x + 36 - 2x = 40 x = 40-36 = 4 sub that into y = 18-x = 18-4 = 14 x=4 , y = 14 or..... double the 2nd 2x + 2y = 36 3x + 2y = 40 , now subtract them -x + 0 = -4 x...
Thursday, March 22, 2012 at 10:24am

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
Wednesday, February 29, 2012 at 11:15pm

math 2nd grade
Dwayne eats 1/9 of the raisin bread. Francisco eats 1/3 of the raisin bread. Who eats more raisin bread?
Wednesday, February 29, 2012 at 11:13pm

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