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Question 1031574: The area of a pizza is 616 square centimeters, what is the radious?
A=22/7r^2
Click here to see answer by ikleyn(52747)

Question 1031526: Please help me with this problem:
Let R be the region bounded by the x axis and the graph of y = tan x on the closed interval [0,(pi/4]. Use the "disk method" to find the volume of the solid formed when R is revolved about the x axis. Evaluate the interval.
Click here to see answer by solver91311(24713)

Question 1031628: Steven is planning a big garden that is 25 meters longer than its width. The garden will have an area of 5100m^2.
Find the dimensions of the garden.

Click here to see answer by mananth(16946)

Question 1031647: what is the golden ratio in simplest radical form?
Click here to see answer by fractalier(6550)

Question 1031658: 471=14
953=12
367=18
279=?
Click here to see answer by ikleyn(52747)

Question 1031665: please help me with this problem:
Differentiate: y =
Click here to see answer by rothauserc(4718)

Question 1031812: Can you please help me with this problem?
Differentiate: y = x sec x + +
Click here to see answer by Fombitz(32388)

Question 1031991: For which equation is it best to use the Factoring Method to solve this trinomial?

A.)

B.)
C.)

Click here to see answer by Boreal(15235)

Question 1032007: Please help me with this problem:
Find a general solution to the differential equation =
Click here to see answer by Boreal(15235)

Question 843132: 1.A yearbook publishing company charges $50 for every yearbook printed and an additional $2,500 for labor. Which function will determine the average cost per copy of the yearbook?
2.
The football team has won 4 out of 5 games. Which function will determine the team's winning percentage if it wins x more games?
3.
What is the value of x in the following equation?
1+4/x=12/x^2
A. 2 or �6
B. 3
C. 6
D. 12 or �4

Click here to see answer by tatianahall20(1)

Question 1032790: If forester Pete walks 15 paces in a chain, and he walked 45 paces between points c and d, how far apart, in feet, are points c and d?
Click here to see answer by stanbon(75887)

Question 1032795: Julie wants to build a sidewalk of uniform width around her garden. Her garden is rectangular, and its dimensions are 20 feet by 30 feet. She has enough pavers to cover 900 square feet and wants to use all the pavers. Complete the following statement. Round to the nearest tenth. Julie should make the width of the sidewalk _ _ _ _ _ feet.
Click here to see answer by mananth(16946)

Question 1032788: Q: Mary invested an amount of 20000 partly at the rate of 5% and partly at the rate of 8% interest per anum.If the amount of interest in the second case is 820$ more than the amount of interest earned in the first case,How much was invested at 5%?
Click here to see answer by mananth(16946)

Question 1032885: a man has 100,000 part of which he invest at 12% interest and the rest at 18%. He received a total annual interest of 15,300. how much did he invest at each rate?
Click here to see answer by stanbon(75887)

Question 1032916: Please help me with this problem:
Suppose f(x) = . Find the slope of the line which passes through the points(0,f(0)) and (2,f(2)). Illustrate the mean value theorem for derivatives by finding a number c in (0,2) such that f'(c) equals the slope of the line described.
Click here to see answer by robertb(5830)

Question 1032914: Please help me with this:
Suppose f(x) = and g(x) = cosx and h(x) = ( f o g)(x). Find the equation of h' and evaluate h'
Click here to see answer by robertb(5830)

Question 1033062: On the Fahrenheit scale for measuring temperature, 32 degrees is the freezing point of water, and 212 degrees is the boiling point. Michael invented his own temperature scale, which also is linear, where water freezes at 83 degrees and boils at 128 degrees. If the temperature is 98 degrees on Michael's scale, what is the temperature in degrees Fahrenheit? At what temperature are the two scales the same?
SO far, I've tried to use ratios to answer this question, but the difference or the values are different, so it doesn't make sense.
Click here to see answer by josgarithmetic(39613)

Question 1033081: Please help me with this:
The function f(x) = + x is a one-to-one function, and thus its inverse is also a function. Find the equation of the tangent line which can be drawn to the graph of at the point (2,1).
Click here to see answer by robertb(5830)

Question 1033079: Please help me with this problem:
Let R be the region bounded by the y axis and the graph of x = 1 - . Use y as the variable of integration to write a definite integral whose value equals the volume of the solid formed when R is revolved about the y axis.
Click here to see answer by robertb(5830)

Question 1033145: Solve by factoring: 6x^2 + 5x = 6
Click here to see answer by ikleyn(52747)

Question 1033577: multiply (-2/3)(6/11)(-22/25)
Click here to see answer by josmiceli(19441)

Question 1033741: Prove that n^8 − n^4 is divisible by 5 for any natural n.
Click here to see answer by robertb(5830)

Question 1033741: Prove that n^8 − n^4 is divisible by 5 for any natural n.
Click here to see answer by ikleyn(52747)

Question 1033738: Write down the converse of the following statement.
if n is prime then n is not divisible by 9
Say whether the original statement and its converse are True or False, and justify your answers.
Click here to see answer by robertb(5830)

Question 1033736: Which of the following statements are True, and which of them are False?
� if 10 is a prime then 100 is composite
� if 100 is a perfect square then 100 is a perfect cube
� if 1000 is composite then 7 is prime

Click here to see answer by robertb(5830)

Question 1033753: For which natural numbers from 1 to 100 is it true that k/√5k is integer? Give a complete proof
Click here to see answer by robertb(5830)

Question 1033752: Prove that there are no positive integers x, y, z such that
x^2+y^2 = 3z^2
.
Click here to see answer by ikleyn(52747)

Question 1033751: The FIbonacci numbers f_n are defined by the equations f_1 = 1, f_2 = 1,
f_(n+1) = f_n + f_(n−1) (n ≥ 2).
Find gcd(f_10,7!)

Click here to see answer by ikleyn(52747)

Question 1033739: Find all natural n such that
n^3 + 8 is prime.
Click here to see answer by robertb(5830)

Question 1033740: By giving a proof or a counterexample, determine the truth value of the following statement.
For every pair of natural numbers x and y such that
x^2 > y^4
there is a natural number z such that
x^2 > z > y^4

Click here to see answer by robertb(5830)

Question 1033733: Prove that there are natural numbers x, y such that
x^3 + 4 = 17y^2 and xy = 8. How many examples are there?

Click here to see answer by robertb(5830)

Question 1033742: The sequence u_n is defined recursively by the rules
u_1 = 2, u_2 = 4, u_(n+2) = 4u_(n+1) + 5u_n for all n ∈ N.
Prove the general term formula u_n = 5^n + (−1)^n.
Click here to see answer by robertb(5830)

Question 1033771: The distnace around a carousel is 21.98 yards what is the radius

Click here to see answer by Alan3354(69443)

Question 1033749: Prove that there are countably many primes of the form 8n − 1 or 8n + 3.
Click here to see answer by ikleyn(52747)

Question 1033818: Please help me with this problem:
A particle moves along the x axis so that its velocity at time t, t > 0, is given by v(t) = . If the particle's position at t = 1 is x = 10, write an equation which describes the position of the particle as a function of t.
Also, what velocity does the particle approach as t get large?
Click here to see answer by Fombitz(32388)

Question 1034159: If HE=41, SHE=39 then COME will be equal to
(A)36
(B) 70
(C) 72
(D) 78
Click here to see answer by ikleyn(52747)

Question 1034188: A bookstore bought a case of 10 books at a wholesale price of $84. The bookstore will sell the books at a 25 percent markup, and each book will be sold for the same amount. How much will they sell each book in the case for?

Click here to see answer by jorel555(1290)

Question 1034210: Please simplify this expression. Assume that no variable equals 0.
The formula is a bit complicated to write out, here is an image.
Problem: http://postimg.org/image/7r3gjietd/
TY
Click here to see answer by ankor@dixie-net.com(22740)

Question 1034225: Please simplify this expression. Assume that no variable equals 0.
Problem: http://postimg.org/image/bybn3upa9/
TY
Click here to see answer by josgarithmetic(39613)

Question 1034233: t4t2Ys http://www.y7YwKx7Pm6OnyJvolbcwrWdoEnRF29pb.com
Click here to see answer by ikleyn(52747)

Question 1034309: f(x) = 8x2 � 16x � 15 solutions?

Click here to see answer by stanbon(75887)

Question 1034312: Please help me solve this question
Log 2 base x multiplied by log 2 base 2x = log 2 base 4x
Click here to see answer by stanbon(75887)

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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 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, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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