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Question 994076: There are 520 people in a village...200 of them are females what is the percentage of men?

Click here to see answer by Boreal(15235)

Question 994076: There are 520 people in a village...200 of them are females what is the percentage of men?

Click here to see answer by stanbon(75887)

Question 994214: find the area of the triangle
A (10,6) B (3,-1) C-1,3)
Click here to see answer by Alan3354(69443)

Question 994253: Find the point with coordinates of the form (a, 3a) that is in the third quadrant and is a distance 5 from
P(2, 1)...
Click here to see answer by josgarithmetic(39613)

Question 994509: Why is the product of a non zero rational number and an irrational number irrational ?
Click here to see answer by MathLover1(20849)

Question 994613: what is the similarity between numbers 85,17,19,4,2
Click here to see answer by Alan3354(69443)

Question 994927: The average of seven numbers ia 38.What is the total of the numbers
Click here to see answer by ikleyn(52747)

Question 994967: Gold has a density of 19.3 / cm3 what is this density in pounds per cubic foot 3
Click here to see answer by Alan3354(69443)

Question 995006: Two cars start moving from the same point. One travels south at 64 mi/h and the other travels west at 48 mi/h. At what rate is the distance between the cars increasing three hours later?
Click here to see answer by Alan3354(69443)

Question 995082: Suppose y = sqrt 2x + 1 where x and y are functions of t.
a) If dx/dt = 3,find dy/dt when x = 4.

(b) If dy/dt = 4,find dx/dt when x = 12.
Click here to see answer by rothauserc(4718)

Question 995107: Mary decided to have a Super Bowl party she invited 12 men 14 women and 18 children to the party if eats man gets the slices of pizza each woman gets two slices in each child gets one size how many large pizza pies should she buy
Click here to see answer by solver91311(24713)

Question 995562: a garrison of 600 men had provision for 25 days.after 9 days an addition of men was made and the remaining provision latest only for 4 days.find the number added.
Click here to see answer by josmiceli(19441)

Question 995631: I have no idea what formula to use for this problem. Can someone help me work this problem please.
Christina is selling an antique dining room furniture set through a broker. She wants to get $1500 for herself, but the broker gets 15% of the selling price as commission. What should the selling price be?
Click here to see answer by addingup(3677)

Question 995689: A park has a permiter of 140. If the length of the park is 20meters more than its width.,what is the are?

Click here to see answer by phillywily(18)

Question 995739: write and equation in ax+by+c=0 form of the line that satisfies the given conditions below
A passing through point (-4,2) with no x intercept
B the line passes through (-3,5) and is parallel to the line x+3y=1
(I have no idea how to do this how can there be no x intercept does that mean it is just x=0?)
Click here to see answer by Theo(13342)

Question 995740: 300k by the fraction of 20 naira
Click here to see answer by Alan3354(69443)

Question 995774: How do I do this problem?
�Safety, Ethical Considerations, and Application Guidelines for the Use of Transcranial Magnetic Stimulation (TMS) in Clinical Practice and Research� (Rossi, Hallett, Rossini, Pascual-Leone, Clinical Neurophysiology , Vol 120 Issue 12 (Dec 2009)) reports that the number of research papers addressing TMS was 30 in 1986. That number climbed to 3000 by 2008.
(a) Which of the following linear equations could be used to predict TMS research papers published y by given year x, where x = 0 represents year 1986? Explain/show work.
A. y = 135x + 1986 C. y = 0.0074x + 1986 B. y = 135x + 30 D. y = 0.0074x + 30
(b) Use the equation from part (a) to predict number of TMS research papers published by the year 2024. Round answer to nearest whole number. Show work.
(c) Fill in the blanks to interpret the slope of the equation: The rate of change of TMS research papers published with respect to time is ______________________ per ________________. (Include units of measurement.)
Click here to see answer by Boreal(15235)

Question 995798: Find the differential of each function. y = (2-v^2)/(2 + v^2)
Click here to see answer by ikleyn(52747)

Question 995781: I need a guidance as to how to solve this problem.
Fifteen people are summoned to jury duty. 9 are women and 6 are men.
(a) In how many ways can 12 jurists be randomly selected out of the 15 people? Show work.
(b) In how many ways can 12 jurists be chosen, if 7 must be women and 5 must be men? Show work.
(c) If 12 jurists are randomly selected from the 15 people, what is the probability that 5 are men and 7 are women? Round answer to nearest ten-thousandth (4 places after decimal). Show work.
Click here to see answer by ikleyn(52747)

Question 995885: Application Of Linear Inequalities In One Variable
One number is twice another number.Twice the lesser number increased by the greater number is at least 90.What is the least possible value for the lesser number?
Click here to see answer by josgarithmetic(39613)

Question 996219: Find the differential of each function. (a) y= tan(sqrt 3t)
Click here to see answer by Alan3354(69443)

Question 996221: Find the differential of each function. y = (2-v^2)/ (2 + v^2)

Click here to see answer by Alan3354(69443)

Question 996221: Find the differential of each function. y = (2-v^2)/ (2 + v^2)

Click here to see answer by Boreal(15235)

Question 996223: Find the derivative. g(x) = cosh(ln(x))
Click here to see answer by Alan3354(69443)

Question 996374: In the xy-plane, if the parabola with equation y=axsquared+bx+c, where a, b, and c are constants, passes through the point (-1, 1), which of the following must be true?
Click here to see answer by stanbon(75887)

Question 996387: The formula for a surface area of a cube is Sa= 6e^2. If the surface area of this cube is 6x^2-24x+24 what is the measure of one edge

Click here to see answer by stanbon(75887)

Question 996793: calculate a diameter of a solid cylinder which has height of 82cm and total surface area of 2square meter
Click here to see answer by Alan3354(69443)

Question 997116: STYUisrectangleprovethat

Click here to see answer by ikleyn(52747)

Question 997483: Make R2 the subject of the formula from parallel resistor formula.

Click here to see answer by Alan3354(69443)

Question 997611: How many complete turns will a car wheel with a diameter of 8 dm to cover 3 km?
Click here to see answer by ankor@dixie-net.com(22740)

Question 997771: I must Solve for the equation for x. Assuming a is NOT EQUAL (Not Equal to sign) to 0.
2 - ax = -8
Thanks and sorry for making it complicated.
Click here to see answer by MathLover1(20849)

Question 997770: 19 = 10 - 3a

Thanks
Click here to see answer by MathLover1(20849)

Question 997769: a
- - + 7 = -14
6

Its Negative A over 6 plus 7 = Negative 14
Thanks
Click here to see answer by MathLover1(20849)

Question 997918: The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. The swimmer finishes the race in 30 seconds with the average speed of 5 feet per second. Find the average speed of the swimmer if it takes 50 seconds to finish the race.
Click here to see answer by Theo(13342)

Question 998281: OgJYLl http://www.FyLitCl7Pf7kjQdDUOLQOuaxTXbj5iNG.com
Click here to see answer by Alan3354(69443)

Question 998301: Determine the location of each extremum of the function
f(x)= x^3-1/2x^2-6x+4
f(x)= 3x^2-x-6
= x^2-x/3-2=0 that's all i got

Click here to see answer by Alan3354(69443)

Question 998276: 5.Find the probability of correctly answering the first 4 questions on a multiple choice test using random guessing. Each question has 3 possible answers.

Click here to see answer by fractalier(6550)

Question 998431: What does it mean for a number to be the least common multiple of two numbers

Click here to see answer by fractalier(6550)

Question 998506: Machine A produces bolts at a uniform rate of 120 bolts every 40 seconds and machine B produces bolts at a uniform rate of 100 bolts every 20 seconds. If the two machines are run simultaneously, how many seconds will it take for them to produce a total of 200 bolts?
Click here to see answer by fractalier(6550)

Question 998678: gina has $2 more than three times the amount fred has. when gina gave fred $5 fred then had one half asa much as gina. how much did gina have at first
Click here to see answer by stanbon(75887)

Question 998742: For each pair of lines, determine if they are parallel, perpendicular or neither.
A.
l1 : x-2y=6
l2 : 2x+y=3
AND

B.
l1 : 3x-y=1
l2 : -x+3y=3
Click here to see answer by Boreal(15235)

Question 998776: d3y7LA http://www.FyLitCl7Pf7kjQdDUOLQOuaxTXbj5iNG.com
Click here to see answer by ikleyn(52747)

Question 998959: solve 3(x+y)=z for x
AND (I'm sorry I put two, but theres a question limit and i have many more questions)
V=1/3(3.14)r^3h for h
help, please?

I know this is a stretch and I so understand if two questions is enough, but if you have time maybe help also with
2a+3b=10 for b
THANK YOU THANK YOU THANK YOU!!
Click here to see answer by MathLover1(20849)

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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