Questions on test answered by real tutors!

Tutors Answer Your Questions about test (FREE)

Question 94530: what is the domain of y=cos^-1(x)
Click here to see answer by edjones(8007)

Question 94524: simplify e^4lnx
Click here to see answer by stanbon(75887)

Question 94687: solving for variables
---------------------
solve for I
A=P+I
Click here to see answer by edjones(8007)

Question 94829: The Acme Plumbing Company will send a team of 3 plumbers to work on a certain job. The company has 4 experienced plumbers and 4 trainees. If a team consists of 1 experienced plumber and 2 trainees, how many different such teams are possible?
Click here to see answer by stanbon(75887)

Question 94828: The sum of two numbers that differ by 1 is t. In terms of t, what is the value ofthe greater of the two numbers?
(A) t-1/2
(B) t/2
(C) t+1/2
(D) t/2+1
(E) 2t-1/2
Click here to see answer by stanbon(75887)

Question 94830: If p, r, and s are three different prime numbers greater than 2, and n = p X r X s, how many positive factors, including 1 and n, does n have?
Click here to see answer by edjones(8007)

Question 94908: If 30 percent of m is 40, what is 15 percent of m?
Click here to see answer by stanbon(75887)

Question 94911: If n is any negative number, which of the following must be positive?
(A) n/2
(B) 2n
(C) n + 2
(D) n - 2
(E) 2 - n
Click here to see answer by stanbon(75887)

Question 94909: The ratio of 1.2 to 1 is equal to which of the following ratios?
(A) 1 to 2
(B) 12 to 1
(C) 5 to 6
(D) 6 to 5
(E) 6 to 50
Click here to see answer by stanbon(75887)

Question 95373: x+6=3(5-x)
Click here to see answer by edjones(8007)

Question 94906: How many integers in the set of all integers from 1 to 100, inclusive, are not the square of an integer?
Click here to see answer by bucky(2189)

Question 94907: If the sum of the consecutive integers from -22 to x, inclusive, is 72, what is the value of x?
Click here to see answer by bucky(2189)

Question 95415: a bus went 318 km farther than a car. the car went 1/3 as far as the bus. how far did each vehicle travel? choices for cars distance: 147, 151, 159
Click here to see answer by scott8148(6628)

Question 95521: 54-6/2+6 = ?
a. 6
b. 24
c. 27
d. 30
e. 57
I need explanation please Thanks

Click here to see answer by checkley71(8403)

Question 95277: If the sum of the consecutive integers from -22 to x, inclusive, is 72, what is the value of x?
Click here to see answer by ankor@dixie-net.com(22740)

Question 95679: I am to use a real life situation that follows a linear equation with the independent variable being years. What would the slope tell you about future years?
I don't even know where to start here, I would appreciate your help!
Click here to see answer by stanbon(75887)

Question 95279: Kyle's lock combination consists of 3 two-digit numbers. The combination satisfies the three conditions below.
-One number is odd.
-One number is a multiple of 5.
-One numbers is the day of the month of Kyle's birthday.
If each number satisifes exactly one of the conditions, which of the following could be the combination to the lock?
(A) 14-20-13
(B) 14-25-13
(C) 15-18-16
(D) 20-15-20
(E) 34-30-21
Click here to see answer by checkley71(8403)

Question 95698: I am wondering what if an equation had three variables, how would you solve and graph it? Does it change the graph?
Click here to see answer by stanbon(75887)

Question 95735: Write 2.85 as a percent?
An appliance dealer marks up refrigerators 20% ( based on cost). If the cost of one model is $500, what should it's selling price be?
Click here to see answer by checkley71(8403)

Question 95956: How do you display a number with lot of decimal places without simply rounding it yet is shows that there is indeed more to the number? For example, how would you display 4.518765304189430458970548924534885 to the hundredths place while still showing that there is more to the number? Or is there even such a mathematical rule?
Click here to see answer by edjones(8007)

Question 95955: How do you display a number with lot of decimal places without simply rounding it yet is shows that there is indeed more to the number? For example, how would you display 4.518765304189430458970548924534885 to the hundredths place while still showing that there is more to the number? Or is there even such a mathematical rule?
Click here to see answer by ankor@dixie-net.com(22740)

Question 96432: HELP!!! OK I tried to do this but it didn't work...
Problem: The length of a rectangle is 3 meters less than twice the width. The perimeter is 18 meters. Find the width.
So is it 18=2*2x-3*2x
THANK YOU SO MUCH AGAIN!

Click here to see answer by checkley71(8403)

Question 97069: A fireman stood on the middle rung of a ladder pouring water on a building. As the smoke cleared, he stepped up 3 rungs. A sudden flare up forced him to go down 5 rungs. later he climbed 7 rungs to work on the fire. then he climbed the remaining 6 rungs to the top of the ladder and stepped off to stand of the roof. How mant rungs did the ladder have?
I don't understand this questoin at all could someone please help?!
Click here to see answer by coyote(32)

Question 97070: A can of 40 marbles in it weighed 135 grams. The same can with 20 marbles weighed 75 grams. What is the mass of each marble? What is the mass of the can?
This problem was very confusing to me on my test and i just want ot know how to solve it and the answer please.
Click here to see answer by checkley71(8403)

Question 97482: find f(3) when f(x)=x^2-5x-4
Click here to see answer by mathslover(157)

Question 97492: i have to find an equation of the line with a slope of -4/3 and a y-intrercept 3?
i have to leave it in slope-intercept form.

Click here to see answer by mathslover(157)

Question 97513: i have to find the center of a circle with an equation (x-2)squared+(y+3)squared=16
Click here to see answer by mathslover(157)

Question 97513: i have to find the center of a circle with an equation (x-2)squared+(y+3)squared=16
Click here to see answer by edjones(8007)

Question 97519: givin points C (4,3) and S (5,1) find the sope of every perpendicular to RS
how do i do that??!?!
Click here to see answer by checkley71(8403)

Question 97519: givin points C (4,3) and S (5,1) find the sope of every perpendicular to RS
how do i do that??!?!
Click here to see answer by mathslover(157)

Question 97517: how do i graph the line x-y=1 on a graph?
Click here to see answer by checkley71(8403)

Question 97516: i have to use distance formula to find the distance between point a which is
(-2,5) and point b which is (4,-3).
how do i do that?
Click here to see answer by checkley71(8403)

Question 97512: i have to find an equation of a line that goes through the point (2,1) and has a slope of 4.
i have to leave it in slope intercept form.
Click here to see answer by scott8148(6628)

Question 97735: true or false?
if the volume of a cube is 1000, the length of each of its edges is 10.
Click here to see answer by longjonsilver(2297)

Question 97711: i have to find the volume of a rectanglar solid with a lenth 8, width 4, and height 2.

Click here to see answer by elima(1433)

Question 97714: i have to find the total area of a cube with edge 4.
Click here to see answer by elima(1433)

Question 97716: i have to find the volume of a rectangular square pyramid with a base edge 4 and height 6 m.
Click here to see answer by elima(1433)

Question 97717: i have to find the volume of a right cylinder with a radis 4 cm and height 7 cm.
i have to leave answer in terms of pie.
Click here to see answer by elima(1433)

Question 97718: i have to find the volume of a right cone with a radius 6 cm and height 10 cm.
i have to leave answer in terms of pie.
Click here to see answer by elima(1433)

Question 97719: i have to find the volume of a sphere with a radius 3 cm.
i have to leave answer in terms of pie.
Click here to see answer by elima(1433)

Question 97719: i have to find the volume of a sphere with a radius 3 cm.
i have to leave answer in terms of pie.
Click here to see answer by mathslover(157)

Question 97723: what is the volume of a cube with the edge of 2?
Click here to see answer by elima(1433)

Question 97732: find the total surface area of a cylinder with a radius 3 and height 8.
Click here to see answer by elima(1433)

Question 98258: find the volume of a right cylinder with radius of 4cm and height 7cm leave the answer in terms of pi
Click here to see answer by benni1013(206)

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, 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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650