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Question 1028995: With a 30-60-90 TRIANGLE and assign the side opposite the 30 degree angle a value if 'X'. Using the pythogorean Theorem and the trigonometric functions (sin,Cos, Tan) prove that the opposite the 60 degree angle is �square root 3 and the hypotenuse is 2x.
Click here to see answer by mananth(16946)

Question 1029019: The velocity in ft/sec of a particle is given by v(t) = −16t + 2. Find the position function s(t), of the particle if it has an initial position s(0) = 6 feet.
Click here to see answer by Alan3354(69443)

Question 1029021: The first three terms of a geometric progression are 100, 90 and 81.
Find the common ratio of this progression.?
Click here to see answer by Boreal(15235)

Question 1029021: The first three terms of a geometric progression are 100, 90 and 81.
Find the common ratio of this progression.?
Click here to see answer by stanbon(75887)

Question 1029044: Solve the quadratic equation by factorization.
X�-64=0
could I be shown it by step by step please

Click here to see answer by Cromlix(4381)

Question 1029033: 1. If you dine out at a restaurant and the bill come to R289,00 calculate the full bill if there was a discount of 15% included.
2. What fraction of an hour is 15minutes, 30 minutes, 45 minutes, 20 minutes and 10 minutes
Click here to see answer by Cromlix(4381)

Question 1029006: the area by the curve y^2 = x(2-x) is given by?

Click here to see answer by Alan3354(69443)

Question 1029025: The first term of a geometric progression is 5 and the fifth term is 1280, the common ratio is 4
Find the expression of the nth term?

Click here to see answer by ikleyn(52781)

Question 1029022: The first term of a geometric progression is 5 and the fifth term is 1280, the common ratio is 4
Find the eighth term of the sequence
Click here to see answer by ikleyn(52781)

Question 1029103: Suppose you roll two dice. Find the probability of not rolling a sum of 12
Click here to see answer by solver91311(24713)

Question 1029105: At the end of 2 years, P dollars invested at an interest rate r compounded annually increases to an amount, A dollars, given by the following formula.
A=P(1+r)2

Find the interest rate if $128 increased to $242 in 2 years.
Click here to see answer by stanbon(75887)

Question 1029018: For an object whose velocity in ft/sec is given by v(t) = sin(t), what is its distance, in feet, travelled on the interval t = 1 to t = 5?
Click here to see answer by robertb(5830)

Question 1029017: If a spring is oscillating (moving) according to the velocity equation v(t) = cos(t) (in ft/s), then what is its displacement over its first 2π seconds of travel?
Click here to see answer by robertb(5830)

Question 1029016: Find the average value of f(x) = x2 over the interval [−2, 2].

Click here to see answer by robertb(5830)

Question 1029014:
Which of the following statements is true? The volume of the solid formed by rotating the region bounded by the graph of y = x2, x = 0, and y = 9 around the y-axis is
pi times the integral from 0 to 3 of x squared, dx
pi times the integral from 0 to 9 of the y, dy
pi times the integral from 0 to 9 of the 9 minus y, dy
Click here to see answer by robertb(5830)

Question 1029009: Find the area of the region bounded by the functions f(x) = x4 and g of x equals the square root of the absolute value of x.

Click here to see answer by robertb(5830)

Question 1029007: the area by the curve y^2 = x(2-x) is given by?
Click here to see answer by robertb(5830)

Question 1029125: bil and his brother is playing a board game . bill is currently 11 space from the finish line. if they only roll one dice per turn. what is the probability he will win in two turns
Click here to see answer by Theo(13342)

Question 1029008: Find the area of the region bounded by the graphs of y = x, y = −x + 4, and y = 0.
Click here to see answer by Fombitz(32388)

Question 1029199: The first term of a geometric progression is 5 and the fifth term is 1280, the common ratio is 4
Find the expression of the nth term?
Can someone explain this step by step please
Click here to see answer by stanbon(75887)

Question 1029200: the first three terms of a geometric progression are 100,90 and 81 , the common ratio is 0.9
Find the sum to infinity of its terms ?
Can someone explain this step by step please
Click here to see answer by Fombitz(32388)

Question 1029203: expand (x+2)(2x-3)(x+3)
Can someone explain this step by step please
Click here to see answer by stanbon(75887)

Question 1029202: Expand (x+2)(2x-3)(x+3) ?
Can someone explain this step by step please
Click here to see answer by stanbon(75887)

Question 1029219: the first three terms of a geometric progression are 100,90 and 81 , the common ratio is 0.9
Find the sum to infinity of its terms ?
Can someone explain this step by step please as I do not understand

Click here to see answer by ikleyn(52781)

Question 1029216: the first term of a geometric progression is 5 and the fifth term is 1280 and the common ratio is 4.
Find out the expression of the nth term.?

IS THE ANSWER OF THE NTH TERM 4N+1?
Click here to see answer by ikleyn(52781)

Question 1029231: A circular cone whose radius is 3 meters has a volume of 12 pi meter cubed.Find the height of the cone.
Click here to see answer by Alan3354(69443)

Question 1029242: If you flip three fair coins, what is the probability that you'll get all three tails?
Thanks!
Click here to see answer by Fombitz(32388)

Question 1029279: A circular cone whose radius is 3 meters has a volume of 12 pi meter cubed. Find the height of the cone.

Note. I am having a hard time with this problem. I do not know how to solve for the height even though I may know equation I do not know how to finish it.
Click here to see answer by josgarithmetic(39617)

Question 1029306: Two sides of an isosceles triangle measure 21 and 51. What is the length of the third side?
Click here to see answer by josgarithmetic(39617)

Question 1029325: Ted and Charlene sold cookies. After 5 days, they had sales totaling $40.00. Each day, their sales were $0.25 higher than on the previous day. What were the sales on the first day?
Click here to see answer by josmiceli(19441)

Question 1029307: True or False The Triangles formed by connecting the midpoint of all three sides of a triangle is similar to the original triangle.
Click here to see answer by ikleyn(52781)

Question 1029340: write in summation notation:
3/5 + 3/4 + 15/16 + 75/64 + .......
Click here to see answer by Edwin McCravy(20055)

Question 1029341: A square has a side length of 9 cm. the midpoints of each side is connected to form another square. this process continues indefinitely. Consider each square separately. Find the
(a). Total perimeter of all the squares
(b). total area of all the squares
Click here to see answer by ikleyn(52781)

Question 1029355: Use the Fundamental Theorem to evaluate the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx.
(Your answer must include the antiderivative.)
Use a graph of the function to explain the geometric meaning of the value of the integral.
Click here to see answer by Fombitz(32388)

Question 1029354: Use the Fundamental Theorem to evaluate the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx.
Click here to see answer by Fombitz(32388)

Question 1029324: Tommy is 45 pounds plus a third of his weight. How much does Tommy weigh?
Click here to see answer by Fombitz(32388)

Question 1029324: Tommy is 45 pounds plus a third of his weight. How much does Tommy weigh?
Click here to see answer by ikleyn(52781)

Question 1029353: Express the given integral as the limit of a Riemann sum but do not evaluate: the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx.
Click here to see answer by Edwin McCravy(20055)

Question 1028021: The Denver Post reported that, on average, a large shopping center had an incident of shoplifting caught by security 1.2 times every three hours. The shopping center is open from 10 A.M. to 9 P.M. (11 hours). Let r be the number of shoplifting incidents caught by security in an 11-hour period during which the center is open.

What is λ? (Use 2 decimal places.)

(b) What is the probability that from 10 A.M. to 9 P.M. there will be at least one shoplifting incident caught by security? (Use 4 decimal places.)

(c) What is the probability that from 10 A.M. to 9 P.M. there will be at least three shoplifting incidents caught by security? (Use 4 decimal places.)

(d) What is the probability that from 10 A.M. to 9 P.M. there will be no shoplifting incidents caught by security? (Use 4 decimal places.)
Click here to see answer by robertb(5830)

Question 1029380: Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer.
Explain, using a graph of f(x), what the Riemann sum in Question #1 represents.
Click here to see answer by Edwin McCravy(20055)

Question 1029449: solve the quadratic equation by factorization
3x�-5x+2=0 ?
and can i be shown a checking method to show this is correct thank you

Click here to see answer by Fombitz(32388)

Question 1029452: solve the following quadratic equation by using formula
3x�-4x-5=0 ?
can I also be shown a checking method to show that my answer is correct
Click here to see answer by Alan3354(69443)

Question 1029450: solve the following quadratic equation by using formula
2x� + 8x +7 =0 ?
can I also be shown a checking method to show that my answer is correct
Click here to see answer by ankor@dixie-net.com(22740)

Question 1029529: HELP PLEASE !!!
The cubic function
A)HAS TWO TURNING POINTS
B)HAS ONE LOCAL MAXIMUMAND ONE LOCAL MINIMUM
C)INCREASES,THEN DECREASESAND UNCREASES AGAIN
D)ALL OF THE ABOVE
WHICH ONE IS CORRECT
Click here to see answer by richard1234(7193)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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