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Recent problems solved by 'Alan3354'

Alan3354 answered: 30973 problems
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Travel_Word_Problems/673558: What would be the rate table for 480 miles and 10 gallons of gas 1 solutions Answer 418712 by Alan3354(30993)   on 2012-10-29 21:21:00 (Show Source): You can put this solution on YOUR website! What would be the rate table for 480 miles and 10 gallons of gas --------- In what units?

Linear-equations/673551: How do I write 9x-5=y in slope intercept form? 1 solutions Answer 418711 by Alan3354(30993)   on 2012-10-29 21:07:57 (Show Source): You can put this solution on YOUR website! How do I write 9x-5=y in slope intercept form? ------------- Like that y = 9x - 5

test/673518: Hi my name is Kyle I need a help in math home work I m a 9 grade student would you plz help me .... 1 solutions Answer 418705 by Alan3354(30993)   on 2012-10-29 20:48:43 (Show Source): You can put this solution on YOUR website! Hi my name is Kyle I need a help in math home work I m a 9 grade student would you plz help me ---------- If you post your problems here someone will help.

Miscellaneous_Word_Problems/673493: Two neon lights are turned on at the same time. One blinks every 4 seconds and the other every 6 seconds, how many times will they blink at the same time? 1 solutions Answer 418696 by Alan3354(30993)   on 2012-10-29 20:27:03 (Show Source): You can put this solution on YOUR website! Two neon lights are turned on at the same time. One blinks every 4 seconds and the other every 6 seconds, how many times will they blink at the same time? ---------------- It's the LCD, 12 seconds 3 times 4 and 2 times 6.

Points-lines-and-rays/673503: 4x + 6y= 5x +6y how do i find x and y? 1 solutions Answer 418695 by Alan3354(30993)   on 2012-10-29 20:07:15 (Show Source): You can put this solution on YOUR website! 4x + 6y= 5x +6y how do i find x and y? ------------- You can't. If you have 2 variables, you have to have 2 equations.

test/673512: 126-3x=x solve this for me please 1 solutions Answer 418694 by Alan3354(30993)   on 2012-10-29 20:06:21 (Show Source): You can put this solution on YOUR website! 126-3x=x solve this for me please ------------- Add 3x to both sides Divide by 2

Functions/673504: How do you find the average rate of change between x=3 and x=5 if f(x)=x^2+5x+15 1 solutions Answer 418693 by Alan3354(30993)   on 2012-10-29 20:05:34 (Show Source): You can put this solution on YOUR website! How do you find the average rate of change between x=3 and x=5 if f(x)=x^2+5x+15 ------------ Find f(5) and f(3) Subtract f(3) from f(5) divide by (5-3)

Unit_Conversion_Word_Problems/673470: A mixture of 45 g of salt and 29 g of baking soda is poured into 370 ml of water. What is the total mass of the mixture in grams? 1 solutions Answer 418682 by Alan3354(30993)   on 2012-10-29 19:06:27 (Show Source): You can put this solution on YOUR website! A mixture of 45 g of salt and 29 g of baking soda is poured into 370 ml of water. What is the total mass of the mixture in grams? ------------ Water has density of 1 gm/cc --> 370 gm of water --> 45 + 29 + 370 grams total

Evaluation_Word_Problems/673481: how do you make a word problem for substitution? 1 solutions Answer 418680 by Alan3354(30993)   on 2012-10-29 19:04:50 (Show Source): You can put this solution on YOUR website! how do you make a word problem for substitution? ------ I don't.

Probability-and-statistics/673473: PLEASE HELP! Assuming boy and girl babies are equally likely, find the probability that a family with 3 children will have exactly 2 boys? 1 solutions Answer 418679 by Alan3354(30993)   on 2012-10-29 19:02:29 (Show Source): You can put this solution on YOUR website! Assuming boy and girl babies are equally likely, find the probability that a family with 3 children will have exactly 2 boys? ----------- 3 kids, each with 2 genders --> 2^3 = 8 possiblities However, that includes having 0, 1 or 2 progeny. If there are 3: BBB BBG BGG GGG 2 boys & 1 girl is 1 in 4 probability.

Travel_Word_Problems/673479: chealsea was walking to her friends house she walked for 3 miles in 30 minutes.How fast was she going? 1 solutions Answer 418678 by Alan3354(30993)   on 2012-10-29 18:58:54 (Show Source): You can put this solution on YOUR website! chealsea was walking to her friends house she walked for 3 miles in 30 minutes.How fast was she going? ---------------- d = r*t r = d/t r = 3 mi/30 mi = 0.1 mile/minute

Travel_Word_Problems/673461: Jim was driving to work.He drives 50 miles in 60 minutes.How fast was he going? 1 solutions Answer 418676 by Alan3354(30993)   on 2012-10-29 18:44:28 (Show Source): You can put this solution on YOUR website! Jim was driving to work.He drives 50 miles in 60 minutes.How fast was he going? ------------ 50 mi/60 min = 5/6 miles per minute

Functions/673460: you eat poop 1 solutions Answer 418674 by Alan3354(30993)   on 2012-10-29 18:41:47 (Show Source): You can put this solution on YOUR website! you eat poop ------------- Your future as a comedian is assured. That's really funny. No need to bother going to school, just get on TV, you're a funny person. Moron.

Exponents/673432: Hi please help i will be forever grateful!! the problem is 2*2^7 and the instructions say Write as a power of 4 1 solutions Answer 418671 by Alan3354(30993)   on 2012-10-29 18:24:49 (Show Source): You can put this solution on YOUR website! the problem is 2*2^7 and the instructions say Write as a power of 4 ----------- =

Distributive-associative-commutative-properties/673447: Simplifying the expression and justifying the steps? 2(25a - 5) - 100a 1 solutions Answer 418669 by Alan3354(30993)   on 2012-10-29 18:23:15 (Show Source): You can put this solution on YOUR website! Make an effort. I'll check your work.

Distributive-associative-commutative-properties/673450: Simplify the expression and justify the steps? -36 ÷ (-12) 1 solutions Answer 418668 by Alan3354(30993)   on 2012-10-29 18:22:56 (Show Source): You can put this solution on YOUR website! Make an effort. I'll check your work.

Distributive-associative-commutative-properties/673440: Simplifying the expression and justifying the steps? 10x + 3(1/3 - x) 1 solutions Answer 418667 by Alan3354(30993)   on 2012-10-29 18:22:39 (Show Source): You can put this solution on YOUR website! Simplifying the expression and justifying the steps? 10x + 3(1/3 - x) ------------- Make an effort. I'll check your work.

Polynomials-and-rational-expressions/673425: I need help with this problem. Find the product: -4^2(y^4 + 9y^3 - y^2 + 3y +2) I'm thinking it should be: -4y^6 - 36y^5 + 4y^4 - 12y^3 - 8y^2 Am I correct or missing something? Thank you! 1 solutions Answer 418659 by Alan3354(30993)   on 2012-10-29 18:00:41 (Show Source): You can put this solution on YOUR website! I need help with this problem. Find the product: -4^2(y^4 + 9y^3 - y^2 + 3y +2) --> ---------------- I'm thinking it should be: -4y^6 - 36y^5 + 4y^4 - 12y^3 - 8y^2 Am I correct or missing something? Thank you!

test/673417: I need help with math to take the tabe test can u help me please 1 solutions Answer 418657 by Alan3354(30993)   on 2012-10-29 17:44:20 (Show Source): You can put this solution on YOUR website! I need help with math to take the tabe test can u help me please ---------- I don't know what a "tabe" test is, but if you post problems you're likely to get help.

Polynomials-and-rational-expressions/673372: 625x^4 − 16 factor polynomial completely. (5x-2)(5x+2)(25x-10i)(25x+10i) is this correct? 1 solutions Answer 418656 by Alan3354(30993)   on 2012-10-29 17:43:13 (Show Source): You can put this solution on YOUR website! 625x^4 − 16 factor polynomial completely. (5x-2)(5x+2)(25x-10i)(25x+10i) is this correct? ================== If you multiply the x terms, you get 15625x^4, so I'd say not. = (5x-2)(5x+2)(25x + 4) -------------- Factor, unless spec'd otherwise, means integers, not complex numbers.

absolute-value/673384: Please solve |x^2=3x+3|=3 Thanks 1 solutions Answer 418649 by Alan3354(30993)   on 2012-10-29 17:09:44 (Show Source): You can put this solution on YOUR website! Please solve |x^2=3x+3|=3 ============== Too many equal signs. Limit 1 per equation.

Travel_Word_Problems/673357: If there's a truck carrien logs going 70 mph on a straight of way, which direction will the logs fall side to side or back wards? 1 solutions Answer 418646 by Alan3354(30993)   on 2012-10-29 17:08:32 (Show Source): You can put this solution on YOUR website! If there's a truck carrien logs going 70 mph on a straight of way, which direction will the logs fall side to side or back wards? -------------- If they're tied down, they won't fall.

Geometry_proofs/673397: given that <1 and <5 are supplementary. prove that m is parallel to n 1 solutions Answer 418643 by Alan3354(30993)   on 2012-10-29 17:04:57 (Show Source): You can put this solution on YOUR website! given that <1 and <5 are supplementary. prove that m is parallel to n ------------ Where are these angles, and m & n?

Linear-systems/673387: Show the system,or show it has no solution. 1/2x+3/4y=3 4/3x+2y=8 1 solutions Answer 418642 by Alan3354(30993)   on 2012-10-29 17:04:05 (Show Source): You can put this solution on YOUR website! 1/2x+3/4y=3 4/3x+2y=8 --------------- 1/2x+3/4y=3 times 8 --> 4x + 6y = 24 4/3x+2y=8 times 3 --> 4x + 6y = 24 --------- Same equation --> dependent --> infinite # of solutions.

test/673391: Slope & rate of change 1 solutions Answer 418640 by Alan3354(30993)   on 2012-10-29 16:59:49 (Show Source): You can put this solution on YOUR website! Slope & rate of change ------------ They're similar.

Exponents/673346: I have tried to solve the following problem but can't get anyone to agree with me. Are my processes correct and why? 126 divided by 2y to the third--where y=3. 126 divided by 2 x (3 x 3 x 3)= 126 divided by 2 x 27 126 divided by 54= 2.3 Everyone else is saying that the problem should read: 126 divided by 2 x y to the third. (126 divided by 2) x (3 x 3 x3) 63 x 27=1701 1 solutions Answer 418630 by Alan3354(30993)   on 2012-10-29 16:21:40 (Show Source): You can put this solution on YOUR website! I have tried to solve the following problem but can't get anyone to agree with me. Are my processes correct and why? 126 divided by 2y to the third--where y=3. 126 divided by 2 x (3 x 3 x 3)= 126 divided by 2 x 27 126 divided by 54= 2.3 Everyone else is saying that the problem should read: 126 divided by 2 x y to the third. (126 divided by 2) x (3 x 3 x3) 63 x 27=1701 --------------- You have to know which it is.

test/673382: 3x+_14y=o 1 solutions Answer 418629 by Alan3354(30993)   on 2012-10-29 16:18:17 (Show Source): You can put this solution on YOUR website! 3x+_14y=o ------------ What does the underscore mean? Is that o? Or zero?

Angles/673359: i am having trouble understanding how to find the measure of s supplementary angle. i understand it has to equal 180, but how do i figure out which angles need which numbers? 1 solutions Answer 418623 by Alan3354(30993)   on 2012-10-29 16:02:14 (Show Source): You can put this solution on YOUR website! i am having trouble understanding how to find the measure of s supplementary angle. i understand it has to equal 180, but how do i figure out which angles need which numbers? ------------- "it" doesn't equal 180. The sum of 2 supplementary angles = 180 degs ---- The supplement of angle A = 180 - A If you know one angle, you subtract to find the other one.

Rational-functions/673355: 4^2x-1 = the square root of 2 4^2x-1 = 2^1/2 2x-1 = 1/2 2x = 1/2 + 1 x = 3/2 divided by 2 x = 3/2 * 1/2 x = 3/4 But this answer doesn't work in the equation. Can you please help me? 1 solutions Answer 418607 by Alan3354(30993)   on 2012-10-29 15:29:17 (Show Source): You can put this solution on YOUR website! 4^2x-1 = the square root of 2 4^2x-1 = 2^1/2 2x-1 = 1/2 ********* This is not true. 2x = 1/2 + 1 x = 3/2 divided by 2 x = 3/2 * 1/2 x = 3/4 But this answer doesn't work in the equation. Can you please help me? ============ 4x-2 = 1/2 4x = 5/2 x = 5/8

Graphs/673075: A satellite is in orbit around the moon. A coordinate plane containing the orbit is set up with the center of the moon at the origin, as shown in the graph, with distances measured in megameters (Mm). The equation of the satellite's orbit is (x − 3)^2/25 + y2/16 =1 1 solutions Answer 418491 by Alan3354(30993)   on 2012-10-28 23:31:51 (Show Source): You can put this solution on YOUR website! A satellite is in orbit around the moon. A coordinate plane containing the orbit is set up with the center of the moon at the origin, as shown in the graph, with distances measured in megameters (Mm). The equation of the satellite's orbit is (x - 3)^2/25 + y2/16 =1 ======================== Great. Thx for letting us know.

Rectangles/673114: A carpenter is building a rectangular room with a fixed perimeter of 420 ft. What are the dimensions of the largest room that can be built? What is its area? 1 solutions Answer 418487 by Alan3354(30993)   on 2012-10-28 23:09:34 (Show Source): You can put this solution on YOUR website! A carpenter is building a rectangular room with a fixed perimeter of 420 ft. What are the dimensions of the largest room that can be built? What is its area? ---------- A square, 105 by 105.