Questions on test answered by real tutors!

Algebra ->  Test -> Questions on test answered by real tutors!      Log On


   



Tutors Answer Your Questions about test (FREE)


Question 972343: . Find the center and radius of the circle whose equation is x2 + y2 – 4 = 0.

Click here to see answer by Alan3354(69443) About Me 

Question 972349: . Find the center and radius of the circle whose equation is x2 + 2x + y2 – 4y + 1 = 0.
Click here to see answer by stanbon(75887) About Me 

Question 972352: 9.Find the equation of a circle with center (1, -1) and that passes through the origin.

10. Find the equation of a circle with center (2, 1) that is tangent to the x-axis.

Click here to see answer by stanbon(75887) About Me 

Question 972419: Find the area between y = −x2−11 x−18 and the x-axis.
Click here to see answer by Fombitz(32388) About Me 

Question 972406: What does the expression 25t + 45m
Click here to see answer by Alan3354(69443) About Me 

Question 972488: Set A, B, C and D are defined by: A = {2,3,4,5,6,7} B = {3,5,7} C = {3,5,7,20,25,30}
D = {20,25,30}

Find AnnB

Click here to see answer by Edwin McCravy(20054) About Me 

Question 972521: A rectangle has one side twice as long as the other. Its area is equal to 8 square
meters. What are the dimensions of the rectangle?

Click here to see answer by Alan3354(69443) About Me 

Question 972551: 2. Given the function g(t) = 2t^2– t – 1, which of the following equals g(2 + 3 )?
Click here to see answer by stanbon(75887) About Me 

Question 972690: A spherical balloon is inflated, and its diameter as a function of time is given by d(t) = t + 2 . Which of the following represents the surface area of the balloon.
Click here to see answer by Alan3354(69443) About Me 

Question 972699: Please help me solve this equation, step by step with websites suggestions were I can practice more. i would really appreciate it. Thank you.
If r = 5 z then 15 z = 3 y, then r =

Click here to see answer by Theo(13342) About Me 

Question 972811: Find the interest rate necessary for a present value of $28,955 to grow to a future value of $33,925.40 if interest is compounded quarterly for two years
Click here to see answer by Alan3354(69443) About Me 

Question 972810: Find the interest rate necessary for a present value of $28,955 to grow to a future value of $33,925.40 if interest is compounded quarterly for two years
Click here to see answer by Alan3354(69443) About Me 

Question 972859: Suppose $1000 is invested in an account that earns 7% interest compounded
annually. How much will be in this account after 10 years?

Click here to see answer by Fombitz(32388) About Me 

Question 972862: Suppose $1000 is invested in an account that earns 7% interest compounded
annually. How much will be in this account after 10 years

Click here to see answer by Fombitz(32388) About Me 
Question 972862: Suppose $1000 is invested in an account that earns 7% interest compounded
annually. How much will be in this account after 10 years

Click here to see answer by solver91311(24713) About Me 

Question 972860: Suppose $1000 is invested in an account that earns 7% interest compounded
annually. How much will be in this account after 10 years.

Click here to see answer by Fombitz(32388) About Me 

Question 972865: Suppose you want to be able to save $50,000 for college by the time you graduate four years from now. If you plan to invest in an account which earns 5% interest compounded monthly, how large will your initial investment have to be?
Click here to see answer by solver91311(24713) About Me 

Question 972870: A colony of bacteria has an initial population of 1500 bacteria. After 1 hour, the colony has grown to a size of 1750 bacteria. Which of the following is an
exponential function that approximately describes the number of bacteria as a
function of time t hours after the initial observation of 1500 bacteria?

Click here to see answer by Boreal(15235) About Me 
Question 972870: A colony of bacteria has an initial population of 1500 bacteria. After 1 hour, the colony has grown to a size of 1750 bacteria. Which of the following is an
exponential function that approximately describes the number of bacteria as a
function of time t hours after the initial observation of 1500 bacteria?

Click here to see answer by solver91311(24713) About Me 

Question 972701: Given f (x) = x +1 and g(x) = 2x − 3, determine (f*g) (11/2)?
Click here to see answer by Theo(13342) About Me 

Question 972745: Find the quotient when p(x)=x^2+3x-2 is divided by D(x)=x+1
Click here to see answer by josgarithmetic(39616) About Me 

Question 972982: A surface receiving sound is moved from its original position to a position three times farther away from the source of the sound. The intensity of the received sound thus becomes
A. three times as low.
B. three times as high.
C. nine times as high.
D. nine times as low.
I think it may be C nine times as high

Click here to see answer by macston(5194) About Me 

Question 973060: the sum of23 two times a number is 49

Click here to see answer by Jwine(1) About Me 

Question 973304: What is the distance along the earth’s surface between the North Pole and a point at 60° north latitude? (Use a radius for the earth of 3,960 miles.)
Click here to see answer by macston(5194) About Me 

Question 973556: Find the remainder when P(x)=x^2+3x-2 is divided by D(x)=2x-1
Click here to see answer by josgarithmetic(39616) About Me 

Question 973575: I need help with this question
"peanut butter can be brought in 250g jars for $6.50 or in 100g jars for $3.10. Which is the cheaper way of buying and how large is the saving

Click here to see answer by rothauserc(4718) About Me 

Question 973527: If 64×2a=8b-5 and b= 4, then why is the real number value of a?
Click here to see answer by Fombitz(32388) About Me 

Question 973593: James scored 64% on the first test, and 70% on the second. Was James right in thinking that he had a much better result in the second test?
Term 1 test mean=58% Standard deviation=6
Term 2 mean=65% Standard deviation= 5

Click here to see answer by stanbon(75887) About Me 

Question 973833: Find an equation of the line L that passes through the point (−2, 6)and satisfies the given condition. (Let x be the independent variable and y be the dependent variable.)
L is perpendicular to the line 4x + 3y = 6

Click here to see answer by Alan3354(69443) About Me 

Question 973834: Find an equation of the line L that passes through the point (−2, 6)and satisfies the given condition. (Let x be the independent variable and y be the dependent variable.)
L is perpendicular to the line 4x + 3y = 6

Click here to see answer by Alan3354(69443) About Me 
Question 973834: Find an equation of the line L that passes through the point (−2, 6)and satisfies the given condition. (Let x be the independent variable and y be the dependent variable.)
L is perpendicular to the line 4x + 3y = 6

Click here to see answer by josmiceli(19441) About Me 

Question 973835: Find an equation of the line L that passes through the point (−2, 6)and satisfies the given condition. (Let x be the independent variable and y be the dependent variable.)
L is perpendicular to the line 4x + 3y = 6

Click here to see answer by Alan3354(69443) About Me 

Question 973917:
Click here to see answer by Alan3354(69443) About Me 

Question 973961: solve: The n th term of a sequence is 9n + 4.Calculate the value of the term that is closest to 2012.
Click here to see answer by stanbon(75887) About Me 

Question 973832: The demand equation for the Drake GPS Navigator is
x + 4p − 1100 = 0,
where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation
x − 21p + 1000 = 0,
where x is the quantity the supplier will make available in the market each week when the wholesale price is p dollars each. Find the equilibrium quantity and the equilibrium price for the GPS Navigators.
equilibrium quantity= units
equilibrium price $=

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 974087: Please help me solve this:
Find a number t such that the distance between
(−3, 2)
and
(3t, 2t)
is as small as possible

Click here to see answer by Alan3354(69443) About Me 
Question 974087: Please help me solve this:
Find a number t such that the distance between
(−3, 2)
and
(3t, 2t)
is as small as possible

Click here to see answer by Boreal(15235) About Me 

Question 974211: Find a polynomial p of degree 3 such that −2, −1, and 4 are zeros of p and
p(1) = 2

Click here to see answer by Boreal(15235) About Me 

Question 974499: 3,3,6,9,15,24,.....
The first two terms in the sequence above are 3. Each term after the first two is equal to the sum of the two previous terms. How much greater is the tenth term of the sequence than the seventh term of the sequence?
My email address is janetgaines39@gmail.com

Click here to see answer by Boreal(15235) About Me 

Question 974451: In how many different ways can a panel of 12 jurors and 2 alternates be chosen from a group of 16 prospective jurors?
Click here to see answer by Alan3354(69443) About Me 

Question 974579: Solve the inequality then graph the solution:
-2 (x+4)>3x+17

Click here to see answer by josgarithmetic(39616) About Me 
Question 974579: Solve the inequality then graph the solution:
-2 (x+4)>3x+17

Click here to see answer by MathTherapy(10551) About Me 

Question 974699: Evaluate 4b+c if b=4 and c=10

Click here to see answer by Alan3354(69443) About Me 

Question 974788: the area of a circle is 616 sq. decimeter. Find its radius
Click here to see answer by Alan3354(69443) About Me 

Question 975003: THE NUMBER OF THE SEQUENCE IS 17.THE SECOND IS 3.WHAT IS THE FIRST NUMBER?
Click here to see answer by Alan3354(69443) About Me 

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