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
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
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
math 2nd grade
Dwayne eats 1/9 of the raisin bread. Francisco eats 1/3 of raisin bread. who eats more raisin bread?
Wednesday, February 29, 2012 at 11:12pm
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?
Wednesday, February 29, 2012 at 9:49pm
math 2nd grade
Wednesday, February 29, 2012 at 9:40pm
8th grade math
graph the two lines and see where the first line is below the 2nd line Or, change to 9x - 36 < 0 and graph y=9x-36 and see where it is below the x-axis.
Friday, February 24, 2012 at 10:42am
Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number?. This is the word problem for 2nd grade math
Tuesday, January 31, 2012 at 7:13pm
social studies - 2nd grade
People change the environment by: building houses, roads, parking lots, stores, and schools polluting the air by buses, trucks and cars polluting the water by dumping stuff into rivers and lakes People change their communities in the same ways. They also: make the community a ...
Saturday, January 28, 2012 at 6:31pm
How do you solve 2t - 4t to the 2nd power? 2t-4t to the 2nd power Identify the greatest common factor Factor this expression
Saturday, December 24, 2011 at 9:41pm
first speed --- x second speed --- x-1 time at first speed = 6/x time at 2nd speed = 7/(x-1) 6/x + 7/(x-1) = 2 1/42 = 85/42 times: 42x(x-1) 6(42)(x-1) + 7(42)x = 85x(x-1) 252x - 252 + 294x = 85x^2 - 85x 85x^2 - 631x + 252 = 0 x = (631 ± √312481)/170 = 7 or ... aha...
Thursday, December 15, 2011 at 5:12pm
agebra 2 honors
substitution is a poor choice for your equations, elimination is the obvious way to go add 1st and 2nd --> -z = 7 z = -7 sub that into 2nd --> -x - y = 9 sub z=-7 into 3rd --> -x + y = 25 (I will assume the 32 is a typo, and you meant 3z ) now add these last two ...
Wednesday, December 7, 2011 at 8:43pm
3 grade math
rate of first man = 1/6 lawn/hr rate of 2nd man = 1/12 lawn/hr combined rate = 1/6 + 1/12 = 3/12 or 1/4 lawn/h time takes when both cutting = 1/(1/4) = 1 (4/1) = 4 hrs (how can the combined work take 9 hours, if one guy alone can do it in 6 hrs??)
Wednesday, November 30, 2011 at 7:55pm
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 ...
Saturday, November 19, 2011 at 3:27pm
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 ...
Wednesday, November 16, 2011 at 12:23pm
sin^-1 (2/5) is the angle Ø of a right angles triangle, where the opposite side to Ø is 2 and the hypotenuse is 5 , sketch that triangle. Using Pythagoras, the third side would then be √21 now we want sec Ø = 1/cosØ = 1/(√21/5) = 5/...
Monday, November 14, 2011 at 7:24pm
Math-System of Equations
From the 3rd: y = -2z-7 in the 1st: 2x - 3(-2z-7) - z = 2 2x +6z +21 - z = 2 2x + 5z = -19 (#4) in the 2nd: -2z - 7 - x + z = 1 x + z = -8 2x + 2z = -16 (#5) #4 - #5 : 3z = -3 z = -1 sub into y = -2z-7 ---> 2-7 = -5 sub into 2nd: -5 - x - 1 = 1 -x = 7 x = -7 so , x = -7, y...
Thursday, November 3, 2011 at 8:28am
time needed by 2nd faucet alone --- t hrs rate for 2nd faucet alone = 1/t time needed by 1st faucet alone --- t+2 hrs rate of 1st faucet along = 1/(t+2) combined rate = 1/t + 1/(t+2) = (t+2 + t)/(t(t+2) = (2t+2)/(t(t+2)) then 1/[ 2t+2)/(t(t+2)) ] = 4/3 t(t+2)/(2t+2) = 4/3 3t^2...
Saturday, October 22, 2011 at 9:06am
(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
2nd grade math
2 Quarters equal 50 cents. 1 dime equals 10 cents 2 pennies equal 2... Add then all together 0.50 0.10 0.02 ____ 0. 62 Subtract 0.75 from 0.62 You get 13
Tuesday, October 18, 2011 at 6:29pm
OK. We can assume that .a is the smallest, since the next digit is zero, and the other two have a nonzero 2nd digit. Given that the 2nd digit is either b or c, that will determine which comes next. if a < c, then .cb will come 4th. if a > c, then .cb will come first.
Monday, October 17, 2011 at 11:18am
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?
Wednesday, October 12, 2011 at 10:08pm
1st number --- x 2nd number --- 15 + (1/3)x x + 15 + (1/3)x = 35 times 3 3x + 45 + x = 105 4x = 60 x = 15 1st number is 15 2nd number is 15+15/3 = 20
Monday, October 10, 2011 at 10:30pm
let the tank contain V units of volume rate of first pipe = V/5 units/hr rate of 2nd pipe = V/x units/hr So the first pipe runs for 3 hrs Volume = 3(V/5) = 3V/5 the second pipe runs for 4 hrs. Volume filled by 2nd pipe = 4(V/x) = 4V/x 3V/5 + 4V/x = V multiply by 5x 3Vx + 20V...
Wednesday, September 14, 2011 at 10:06am
Do you have a list of words? Do you need a list of 2nd grade spelling words? Do you need to make a collage of pictures of these words?
Thursday, September 8, 2011 at 5:13pm
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
(-5X^2+4)(4X^2+X). When multiplying, you add the exponents. 1. Multiply -5x^2 by each term in the 2nd parenthesis. 2. Multiply 4 by each term in the 2nd parenthesis. 3. Combine like-terms. -20X^3-5X^2 + 16X^2+4X = -20X^3+11X^2+4X.
Saturday, June 11, 2011 at 2:56pm
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
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
spelling 2nd grade
Adjectives. Describing Words will make it. Example: The FUNNY man went over to the NAUGHTY man. Funny and Naughty are adjectives in this sentence.
Monday, May 16, 2011 at 6:28am
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
No, had you simply substituted your answer into the 1st equation, you would have seen that it was not correct Add the 1st and 2nd ---> -2x+3y = -7 , (#4) double the 2nd , then add to the 3rd ---> -5x +3y =-13 , (#5) #4 - #5 : 3x = 6 x = 2 sub back into #4 -4 + 3y = -7 3y...
Monday, April 25, 2011 at 5:35pm
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
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) find the probability of drawing a 10 and a 3 in either order.
Friday, April 15, 2011 at 1:01pm
grade nine math
from the 2nd line, when -35 is transposed to other side, 15r - 35 + r = 3r - 9 15r + r - 3r = 35 - 9 ...it must be positive 35. you forgot to change its sign.
Tuesday, April 12, 2011 at 9:47pm
to get 6 points, the 2 runners must have finished 2nd and 6th ---- 5+1 or 3rd and 5th --- 4+2 but the winner was dq'd, so they finished 1st and 5th for 6+2 or 8 points or 2nd and 4th for 5+8 points they got 8 points.
Wednesday, March 16, 2011 at 3:34pm
If you are trying to ask the same thing from both questions, the 2nd is definitely better. If you are talking about quality of the questions, you may still want to be more specific in the first question (eg. what is the author trying to communicate in this chapter). If you do ...
Tuesday, March 15, 2011 at 12:00am
what is the sum of the 1st and last? what is the sum of 2nd and 2nd last ? what is the sum of 3rd and 3rd last ? mmmmhhhh?
Monday, March 14, 2011 at 5:39pm
1. r = 2nd/1st or 3rd/2nd = (1/3) / 1 or (1/9) / (1/3) = 1/3 for both 2. ar = 3 ar^4 = 81/8 divide the second equation by the first r^3 = 27/8 r = 3/2 take it from there 3. to be a GS y/x = 3/y y^2 = 3x that's all you can do, unless you know either x or y 4. 128 , 128r , ...
Saturday, March 12, 2011 at 2:32pm
it depends on the percent weight of the final exam. (e.g. 40% of your grade, 35% of your grade, etc.) assuming your grading scheme for a B is around 83%... and assume your final exam is worth 40% of your overall grade and the rest of your grade (83.17%) is 60% of your overall ...
Saturday, March 12, 2011 at 3:41am
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
1st Hill: 50 m from ground 1st Drop: 10 m from ground 2nd Hill: 40 m from ground 2nd Drop: 1 m from ground 3rd Hill: 45 m from ground Are my explanations correct: 1st Hill: gains the maximum potential energy (PE) and zero kinetic energy (KE)? AGREE (ASSUMING IT IS STOPPED UP ...
Wednesday, March 9, 2011 at 6:22pm
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 ...
Wednesday, March 9, 2011 at 5:56pm
sub the 2nd into the 1st 2x - y = 1 2x - (3x-3) = 1 2x - 3x + 3 = 1 -x = -2 x = 2 back into the 2nd 3(2)-3 = y y = 3
Tuesday, March 8, 2011 at 3:11pm
So, which words are showing possession? Valentine's and Charlotte's, right?See, it is Valentine's Day,(The day BELONGS to Valentine, and it is Charlotte's Web, and the web belongs to Charlotte.) Understand?:)
Wednesday, March 2, 2011 at 8:54pm
9th grade math
3rd side= 2x 1st side(shorter) 1st side=2nd side 2x+2x=31 4x=31 x=31/4=7.75 3rd side= 2*x-1 2*7.75-1= 14.5 1st side and 2nd side= 14.5 3rd side=2cm Ans. 14.5cm, 14.5cm, 2cm
Wednesday, February 23, 2011 at 11:43am
The plan is to get the coefficients of either the x's or the y's to be the same or opposite I will go for the x's to be the same ... 1st equation times (-2) : --> 10x + 14y = -51 2nd equation times (-5): --> 10x - 50y = 45 subtract them .... 64y = -96 y = -96...
Monday, February 21, 2011 at 9:54pm
3rd side = X. 2nd side = 5X + 2. 1st side = 2nd side = 5X + 2. P = X + (5X + 2) + (5X + 2), Simplify: P = 11X + 4.
Saturday, February 19, 2011 at 8:34pm
Calculus 2nd Post please help
I will assume your equation is (x - y - 1)^3 = x then 3(x-y-1)^2(1 - dy/dx) = 1 at the given point... 3(1+1-1)^2(1-dy/dx) = 1 3 - 3dy/dx = 1 dy/dx = 2/3 so now you have the slope m=2/3 and the point (1,-1) Use the method you learned in grade 9 to find the equation of that line.
Friday, February 18, 2011 at 4:38pm
RT = D (rate x time = distance) 800 = rate of 2nd jet T = time of 2nd jet 800T = distance of 2nd jet 600 = rate of 1st jet T + .75 = time of 1st jet (3/4h = .75h) 600(T + .75) = distance of 1st jet Distances are equal 600(T + .75) = 800T Solve for T
Monday, January 24, 2011 at 8:23pm
no according to my formula the slope for the 1st line = -5/4 for the 2nd line = -4/5 they are neither the same, nor are they opposite reciprocals. So the answer is neither. perhaps you are used to changing your equation to the form y = mx + b 1st --- > y = (-5/4)x + 3/4 2nd...
Wednesday, January 19, 2011 at 8:56pm
let her regular rate be $x per hour let her overtime rate be $y per hour first week: 40x + 7y = 390 2nd week: 42x + 8y = 416 1st equat x 8 ---> 320x +56y = 3120 2nd equt x 7 ---> 294x + 56y = 2912 subtract 26y = 208 y = 8 so her overtime rate is $8 per hour
Friday, January 14, 2011 at 4:09pm
in this case, substitution is your obvious choice sub the 2nd into the 1st. 2(4y+1) - 3y = 12 8y + 2 - 3y = 12 5y = 10 y = 2 sub into the 2nd x = 4(2) + 1 = 9 x = 9 , y = 2
Friday, January 14, 2011 at 12:37am
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
1st number = x, 2nd number = 4x - 5, 3rd numbe = 2x - 9, 4(2x - 9) - x 6, 8x - 36 - x = 6, 7x 42, x = 6 = 1st number. (4x - 5) = 4*6 - 5 = 19 = 2nd number. (2x - 9) = 2*6 - 9 = 3 = 3rd number. .
Monday, November 29, 2010 at 5:56pm
12th Grade Calculus
a) correct b) smallest slope ---> minimum slope so set derivative of slope = 0 that is, the 2nd derivative = 0 and solve c) set 3x^2 - 9 = 18 and solve You will get two differenent x's, find the matching y's and do the usual thing to find the equation.
Sunday, November 28, 2010 at 11:18am
My answer to this question is: Circus Clowns were 1st with 12 members Marching Band 2nd with 24 members Girl Scouts 3rd with 30 members Jugglers 4th with 12 members Boy Scouts 5th with 15 members Dancers 6th with 6 members and Football Team 7th with 28 members I am not sure ...
Thursday, November 18, 2010 at 10:25pm
Lets say the number is AB so A+B=10 we also know that A<B and both A and B are prime so possibilities for A and B are 1,2,3,5,7 if A<B then A can only be 1,2,3,or 5 the only pairs such that A+B=10 are 55, 37 of these two only 37 is a prime number But check the logic!
Wednesday, November 10, 2010 at 7:10am
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
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 ...
Wednesday, November 3, 2010 at 12:23am
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.
Tuesday, October 26, 2010 at 5:55pm
represent the unknowns using variables: let x = shortest piece let y = 2nd longest piece let (x+y) - 6 = longest piece *according to the 2nd statement* set up equations: (1) x + y + (x+y) - 6 = 58 *total length must be 58* (2) 5x = y + (x+y) - 6 - 10 *according to 3rd ...
Friday, October 22, 2010 at 5:13am
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)
Wednesday, October 13, 2010 at 2:03pm
Pat, fill in the following blanks Devon _____ , (it is given) Cathy ______, (it is also given) Benny ______ , (found in 2nd sentence) Amy ________, found in 2nd sentence
Monday, October 11, 2010 at 9:35pm
Alternatively "If I am less than 70 greater than 60? " then the possibles are 61, 61 ....69 so the tens is always 6 then if "My tens digit is double my ones digit." then the ones digit is 6/2=3 thus the answer is 63.
Monday, October 11, 2010 at 4:49am
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?
Thursday, October 7, 2010 at 8:04pm
First list the numbers. 44, 45, 46, 47, 48, 49, 50, 51 Then add the digits: 44 = 4 + 4 45 = 4 + 5 and so on. Which of the numbers has digits that add up to 8?
Tuesday, October 5, 2010 at 7:13pm
I advise you to start with heavy corrugated paper or even plywood or a piece of panelling for the base. A flimsier base won't adequately support the glue and other materials you use. You might even paint each section after you're finished. Label the different areas or ...
Saturday, September 25, 2010 at 6:38pm
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
2nd Grade Math
The mode is the number that appears the most. If your numbers are 10, 26, 10, the number that appears the most is 10.
Thursday, September 9, 2010 at 6:18pm
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
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
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
6x + 5y = -4 3x - 3y = 9 Multiply each side of 1st Eq by -3 and 2nd Eq by 6 and add the 2 Eq: -18x - 15y = 12 18x - 15y = 54 0 - 33y = 66 y = -2 Substitute -2 for y in fhe 2nd Eq: 3x -3 * -2 = 9 x = 1 (1 , -2).
Tuesday, August 24, 2010 at 9:14pm
there are 20 pages in jamals book he read 1/5 of the book how many pages did he read
Tuesday, May 11, 2010 at 4:30pm
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
I don't agree Anonymous. To solve 2nd degrees equations (aka find the roots of a trinomial function), you have first to put it to this form : ax² + bx + c = 0 (where a, b and c are reals) Then you have to calculate its discriminant (its delta) : Δ = b² - 4ac...
Tuesday, April 27, 2010 at 5:50pm
5th grade math
hi my name mickey as u can see am smarter than a 5 grade ok and am in the 6 grade so know u now ok
Tuesday, April 20, 2010 at 8:53pm
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
on your calculator enter: 25 + 1 ÷ 60 = 2nd F tan = you should get .466661846 actually on my calculator I have a button labeled DºM'S which allows me to enter time in the base 60 mode, as well as angles so 2nd F tan 25 DºM'S 1 = I got the same answer ...
Wednesday, April 7, 2010 at 10:27am
What do YOU think on the 2nd and 3rd questions? As for the first: first person = I (and the plural "we") 2nd person = you 3rd person = he, she, it (plural = "they") Sra
Saturday, April 3, 2010 at 12:23am
The number of diagonals in the first series of polygons are Number of sides...........n = 3....4....5....6....7....8 Number of diagonals.....N = 0....2....5....9...14..20 1st Difference.......................2....3....4....5....6 2nd Difference.........................1...
Wednesday, March 31, 2010 at 3:22pm
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 Ikes 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
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 ...
Tuesday, March 9, 2010 at 12:12pm
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
I assume you mean do people sink or float in water and why? Some sink, most float. Here is a site that offers some information. If you need further explanation, just ask. Perhaps I can find a more down to earth explanation.
Wednesday, March 3, 2010 at 6:06pm
as Iron ore, there are several common ores. http://en.wikipedia.org/wiki/Iron_ore
Wednesday, February 24, 2010 at 11:52am
No. Most rocks do not come from lava. http://www.rocksforkids.com/RFK/howrocks.html
Monday, February 22, 2010 at 10:55pm
Search the Internet to locate and review your states 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
You use did for the simple past tense, use done for the present perfect and past perfect tenses. (forms of to do) In this case, it is in the present, so you would use 'did.'
Wednesday, February 17, 2010 at 10:42pm
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...
Wednesday, February 17, 2010 at 10:32am
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
Nope! Cartoon... the a is short C-A-R the A is short Otherwise it would say it's name like B-A-K-E The O is short to! OOOO You want it to say it's name for it to be a lONG vowel. Like the word O-A-T
Wednesday, January 27, 2010 at 4:25pm
I do these with the following steps: cos 143 - which quadrant is it in? --- 2nd - by CAST rule, what sign is the cosine in the 2nd? --- negative - how far from 143º to the x-axis ? --- 37 so cos 143 = - cos 37 do the other one the same way.
Monday, January 25, 2010 at 5:55pm
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
Wednesday, January 20, 2010 at 6:23pm
add 100 to 450 to get your answer 100 + 450 = 550 Answer: 550 lbs
Tuesday, December 15, 2009 at 5:40pm
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
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?
Friday, November 6, 2009 at 12:30pm