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Recent problems solved by 'Alan3354'

Alan3354 answered: 30973 problems
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Numbers_Word_Problems/610374: if n is an odd number: write an expression for the next three consecutive odd numbers. thank yoou for you help. 1 solutions Answer 384352 by Alan3354(30993)   on 2012-05-13 08:10:00 (Show Source): You can put this solution on YOUR website! if n is an odd number: write an expression for the next three consecutive odd numbers. --------- n+2, n+4, n+6

Radicals/610364: Please help me solve the following problem: sqrt ( x )= sqrt ( x-5 )+1 1 solutions Answer 384343 by Alan3354(30993)   on 2012-05-13 07:09:23 (Show Source): You can put this solution on YOUR website! Please help me solve the following problem: sqrt ( x )= sqrt ( x-5 )+1 --------- Square both sides.

real-numbers/610317: what line is described by the ordered pairs (x,y) such that y=o and x= all real numbers 1 solutions Answer 384314 by Alan3354(30993)   on 2012-05-12 23:18:07 (Show Source): You can put this solution on YOUR website! what line is described by the ordered pairs (x,y) such that y=o and x= all real numbers ------------- The x-axis

Quadratic_Equations/610322: Find the value that completes the square x^2 - 38x + c 1 solutions Answer 384313 by Alan3354(30993)   on 2012-05-12 23:16:18 (Show Source): You can put this solution on YOUR website! Find the value that completes the square x^2 - 38x + c ---------

Triangles/610337: If sin α = 12/13, and cosα = 5/13, then tanα = ? 1 solutions Answer 384311 by Alan3354(30993)   on 2012-05-12 23:08:52 (Show Source): You can put this solution on YOUR website! tan = sin/cos

Triangles/610339: If 0° < x° < 90° and sin x = 1/2, then cos x = ? 1 solutions Answer 384310 by Alan3354(30993)   on 2012-05-12 23:07:56 (Show Source): You can put this solution on YOUR website! If 0° < x° < 90° and sin x = 1/2, then cos x = ? ------------

Quadratic_Equations/610329: find the value of c that completes the square a^2 + 22/13a + c 1 solutions Answer 384308 by Alan3354(30993)   on 2012-05-12 23:03:28 (Show Source): You can put this solution on YOUR website! find the value of c that completes the square a^2 + 22/13a + c -------------

Rational-functions/610299: a ball is thrown vertically with an intial velocity of 96 feet per second. the distance S (in feet) of the ball from the ground after t seconds is given by S(T)=96-16t^2 A)at what time the ball will hit the ground. B)what is the maximum height that the ball can reach? 1 solutions Answer 384299 by Alan3354(30993)   on 2012-05-12 21:35:08 (Show Source): You can put this solution on YOUR website! a ball is thrown vertically with an intial velocity of 96 feet per second. the distance S (in feet) of the ball from the ground after t seconds is given by S(T)=96-16t^2 A)at what time the ball will hit the ground. When s(t) = 0 s(t) = 0 at launch and at impact. ---------- B)what is the maximum height that the ball can reach? The ball is at its apogee when t = 1/2 the time to impact. Find that time, then find s(t) -----------

Miscellaneous_Word_Problems/610305: What is the radius of the largest circular quilt that can be made with an area less than or equal to 70 ft squared? Round your answer to the nearest tenth of a foot if necessary. 1 solutions Answer 384297 by Alan3354(30993)   on 2012-05-12 21:32:02 (Show Source): You can put this solution on YOUR website! What is the radius of the largest circular quilt that can be made with an area less than or equal to 70 ft squared? Round your answer to the nearest tenth of a foot if necessary. --------------

Miscellaneous_Word_Problems/610226: Estimate the amount of words you have typed in your lifetime. 1 solutions Answer 384242 by Alan3354(30993)   on 2012-05-12 15:29:08 (Show Source): You can put this solution on YOUR website! 352,756

Permutations/610242: please simplify the the expression completely (n!n^2-n!)/((n-1)(n+1)) I tried to simplify it, and all I could get was n(n-2)!n^2-n(n+2)! 1 solutions Answer 384241 by Alan3354(30993)   on 2012-05-12 15:27:58 (Show Source): You can put this solution on YOUR website! simplify the the expression completely (n!n^2-n!)/((n-1)(n+1)) I tried to simplify it, and all I could get was n(n-2)!n^2-n(n+2)! ------------ (n!n^2-n!)/((n-1)(n+1)) = n!*(n^2-1)/(n^2-1) = n!

Permutations/610198: Student ID codes consist of uppercase letters as well as the digits 0 through 9. How many 2-character ID codes are possible if at least one of the digits must be a number? 1 solutions Answer 384232 by Alan3354(30993)   on 2012-05-12 14:45:17 (Show Source): You can put this solution on YOUR website! 10*36 = 360

Linear-systems/610230: I need to find out how many miles (m) it will be until the price is the same. y = $.10m + $24,500 y = $.12m + $22,000 1 solutions Answer 384231 by Alan3354(30993)   on 2012-05-12 14:44:18 (Show Source): You can put this solution on YOUR website! I need to find out how many miles (m) it will be until the price is the same. y = $.10m + $24,500 y = $.12m + $22,000 ------------ y = $.10m + $24,500 = $.12m + $22,000 24500 = 0.02m + 22000 2500 = 0.02m m = 125000

Rectangles/610196: If a rectangle has an area of 30 square inches what are the possible dimensions? 1 solutions Answer 384228 by Alan3354(30993)   on 2012-05-12 14:33:24 (Show Source): You can put this solution on YOUR website! If a rectangle has an area of 30 square inches what are the possible dimensions? --------- L*W = 30 1 by 30 2 by 15 pi by 30/pi 0.001 by 30000 etc

Probability-and-statistics/610138: Student ID codes consist of upper case letters as well as the digits 0-9 How many 2-character ID codes are possible? 1 solutions Answer 384212 by Alan3354(30993)   on 2012-05-12 12:27:39 (Show Source): You can put this solution on YOUR website! Student ID codes consist of upper case letters as well as the digits 0-9 How many 2-character ID codes are possible? ------------ 26 letters + 10 digits = 36 characters 36*36 = 1296 possible codes

Pythagorean-theorem/610164: Find the missing length of the right triangle. Round to the nearest tenth. a=8,b=_____, c=13. Can you please show me step by step how you get this. Then I can understand how to do the rest of my problems. I just don't get it. Thanks! 1 solutions Answer 384188 by Alan3354(30993)   on 2012-05-12 09:56:48 (Show Source): You can put this solution on YOUR website! Find the missing length of the right triangle. Round to the nearest tenth. a=8,b=_____, c=13. -----------

Volume/610170: A beach ball has a radius of 12 in.. How much air will the beach ball hold? (leave your answer in terms of π) 1 solutions Answer 384187 by Alan3354(30993)   on 2012-05-12 09:55:07 (Show Source): You can put this solution on YOUR website! A beach ball has a radius of 12 in.. How much air will the beach ball hold? --------- cubic inches The amount of air varies with the pressure.

Complex_Numbers/610141: hi .....please I need to know how can I solve equations for complex numbers like this : z^4+(5-14i)z^2-(24+10i)=0 1 solutions Answer 384169 by Alan3354(30993)   on 2012-05-12 08:37:39 (Show Source): You can put this solution on YOUR website! hi .....please I need to know how can I solve equations for complex numbers like this : z^4+(5-14i)z^2-(24+10i)=0 ------------ It's a quadratic in z^2. The coefficients are complex, which will make it messy.

Travel_Word_Problems/610139: a car drives 150km east in 3 hours , then 50km west in 2 hours . what is the car's average velocity 1 solutions Answer 384157 by Alan3354(30993)   on 2012-05-12 07:41:15 (Show Source): You can put this solution on YOUR website! a car drives 150km east in 3 hours , then 50km west in 2 hours . what is the car's average velocity ------------- The car went 200 km in 5 hours. Avg speed = 200/5 = 40 km/hr Velocity is another matter.

Linear_Algebra/610134: determine whether the equation 3x - 4y = 0 is linear in the variables x and y. 1 solutions Answer 384156 by Alan3354(30993)   on 2012-05-12 07:39:57 (Show Source): You can put this solution on YOUR website! determine whether the equation 3x - 4y = 0 is linear in the variables x and y. ------------- It is. The exponents of x & y are 1. There are no terms with products of x*y.

Miscellaneous_Word_Problems/610088: 1 solutions Answer 384118 by Alan3354(30993)   on 2012-05-11 21:33:58 (Show Source): You can put this solution on YOUR website! The sum of 3 consecutive numbers is 72. What are the smallest of these numbers? -------- The middle number is 72/3

Equations/610093: What are the values of the equation: x^2+x-12 I have four answers to choose from but I am not sure how to do it or even start it.Here are the answers given A. -4,3 B. 3,4 C. 6,2 D. 6,-2 1 solutions Answer 384117 by Alan3354(30993)   on 2012-05-11 21:32:44 (Show Source): You can put this solution on YOUR website! What are the values of the equation: x^2+x-12 ---------- It's not an equation. There's no equal sign.

Volume/610049: if pie=3.14 then 12=? 1 solutions Answer 384099 by Alan3354(30993)   on 2012-05-11 19:39:08 (Show Source): You can put this solution on YOUR website! if pie=3.14 then 12=? --------------- pie is a dessert. 12 = 12

Trigonometry-basics/610000: cos(θ) sin(80)- cos(80) sin(θ) 1 solutions Answer 384098 by Alan3354(30993)   on 2012-05-11 19:23:44 (Show Source): You can put this solution on YOUR website! cos(θ) sin(80)- cos(80) sin(θ) -------- Do you have a question?

Equations/610025: solve for y: 1/x=3(1/y^2+1/z^2) 1 solutions Answer 384096 by Alan3354(30993)   on 2012-05-11 19:18:20 (Show Source): You can put this solution on YOUR website! solve for y: 1/x=3(1/y^2+1/z^2) ------------- ------------ Answer given is: Same answer ----------- is better

Trigonometry-basics/610030: Can you please help me solve this: What is the number of degrees in an angle whose radian measure is 11pi/12 1 solutions Answer 384075 by Alan3354(30993)   on 2012-05-11 17:34:40 (Show Source): You can put this solution on YOUR website! Can you please help me solve this: What is the number of degrees in an angle whose radian measure is 11pi/12 --------- Multipy radians by 180/pi to get degrees -------- 1 revolution = 360 degs = 2pi radians

Equations/610023: If 6X - 9X + 1 = 10, the X = ? Would you please show me how to arrive at the answer? 1 solutions Answer 384074 by Alan3354(30993)   on 2012-05-11 17:33:27 (Show Source): You can put this solution on YOUR website! 6X - 9X + 1 = 10 -3x + 1 = 10 -3x = 9 x = -3

Pythagorean-theorem/609999: a^2+16^2=20^2 a=? Help me, please and thank you! I'm unsure how to do this yet, please explain? 1 solutions Answer 384068 by Alan3354(30993)   on 2012-05-11 16:23:32 (Show Source): You can put this solution on YOUR website! a^2+16^2=20^2 a=? ------------ a^2+16^2=20^2

Signed-numbers/610009: 160 is 32% of what number? 1 solutions Answer 384067 by Alan3354(30993)   on 2012-05-11 16:21:49 (Show Source): You can put this solution on YOUR website! 160 is 32% of what number? 32% = 0.32 0.32*(what number) = 160 what number = 160/0.32

Polynomials-and-rational-expressions/610013: Factor the following trinomials. 6. n to the second +15n+26 7. -2xsquared +5x+3 8. 2hsquared +5h +3 9. 3xsquared +x-14 Solve the equations show all work. 10. 2asquared +26a-0 11. 3t squared -33t=0 12. 4a squared -7a +3=0 13. 6nsquared +13n=5 Thanks!!! 1 solutions Answer 384066 by Alan3354(30993)   on 2012-05-11 16:20:45 (Show Source): You can put this solution on YOUR website! Factor the following trinomials. 6. n to the second +15n+26 Hint: 26 is either 1*26 or 2*13 ---------- 7. -2xsquared +5x+3 8. 2hsquared +5h +3 9. 3xsquared +x-14 Solve the equations show all work. 10. 2asquared +26a-0 No equal sign -------------- 11. 3t squared -33t=0 Divide by 3 -------------- 12. 4a squared -7a +3=0 13. 6nsquared +13n=5

Radicals/609877: How do I solve the square root of x+6 =-9? 1 solutions Answer 384065 by Alan3354(30993)   on 2012-05-11 16:18:35 (Show Source): You can put this solution on YOUR website! How do I solve the square root of x+6 =-9? ------ Square both sides.