Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 146191: Please write an equation of the line through (-5,4) and perpendicular to the line 5x + 4y = 24. Thank You
Click here to see answer by jim_thompson5910(28595)

Question 146192: Please find an equation of the line passing through the points (7.5,2) and 7.5,9)
Thank you
Click here to see answer by jim_thompson5910(28595)

Question 146199: im sorry if i could get help on this last problem thanks alot!
which product of factors is equivalent to (x+1)-y? (please note there is a little 2 over on top next to the 1 out of the paranthesis and another little 2 over the y ? THANK YOU AGAIN.
Click here to see answer by jim_thompson5910(28595)

Question 146247: 3
-x -7=5(-x+1)
8
Click here to see answer by jim_thompson5910(28595)

Question 146245: 2
-x-3=4(x-1)
3
Click here to see answer by jim_thompson5910(28595)

Question 146267: Please Determine the slope and y-intercept of the line 3x + 2y - 2 = 0
Thank you
Click here to see answer by jim_thompson5910(28595)

Question 146269: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by scott8148(6628)

Question 146268: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by scott8148(6628)

Question 146268: Find the domain of f(t)=(t+3)/(t(t+2))
Thank You
Click here to see answer by jim_thompson5910(28595)

Question 146271:
Please find the domain of H(x)=√(25-x₂)
Thank You
Click here to see answer by Fombitz(13828)

Question 146271:
Please find the domain of H(x)=√(25-x₂)
Thank You
Click here to see answer by Edwin McCravy(8909)

Question 146276: Let R(x)=x+1/x-1. If T(x) = R(x)+1, Then T(x)=
a)2x/x+1
b)x+2/x+1
c)x+2/x-1
d)2x/x-1
Click here to see answer by jim_thompson5910(28595)

Question 146280: How many positive real solutions are there in:
f(x)=x^4-4x^3+6x^2-4x+1
a)1 or 0
b)2 or 0
c)4 or 2
d)2 or 0
Click here to see answer by jim_thompson5910(28595)

Question 146282: Let R(x)=x^3-7/x^2+1; what happens to R(x) if we now have R(x+2)?
a)It shifts 2 units to the left
b)It shifts 2 units up
c)It shiftes 2 units to the right
d)It remains stationary; there is no effect of adding 2 to x
Click here to see answer by jim_thompson5910(28595)

Question 146284: Descrate's Rule of Signs looks for what in a Polynomail expression?
a)The number of sign changes between consecutive terms
b)The number of sign changes between consecutive factors
c)The number of sign changes between consecutive terms divided by the degree of the polynomial plus one
d)The number of sign changes between alternating terms
Click here to see answer by jim_thompson5910(28595)

Question 146285: What is the equation of the slant asymptote for R(x)=x^2-x+17/x^2+1?
a)R(x)=x-1
b)R(x)=1
c)R(x)=x+17
d)There is no slant asympote
Click here to see answer by jim_thompson5910(28595)

Question 146287: Let R(x)=x^3-7/x^2+1; what happens to R(x) if we now have R(x)-3?
a)It shiftes 3 units to the left
b)It shiftes 3 units down
c)It shiftes 3 units to the right
d)It shiftes 3 units up
Click here to see answer by Edwin McCravy(8909)

Question 146307: An astronaut on the moon tosses a ball upwards; when will the ball initially be 35 feet above the lunar surface if the ball's height (feet) follows: h(t)=-2.6t^2+32.1t_5.5, and t is in seconds from release?
a)1 second
b)2 seconds
c)1/2 seconds
d)13.2 seconds
I came up with 1 second and 11.. a little confused.
Click here to see answer by stanbon(57361)

Question 146305: what is the range for P(x)=x^2+5x+6<0?
a)x=(-3,-2)
b)P(x)=(-3,-2)
Click here to see answer by stanbon(57361)

Question 146305: what is the range for P(x)=x^2+5x+6<0?
a)x=(-3,-2)
b)P(x)=(-3,-2)
Click here to see answer by edjones(7569)

Question 146281: What are the zero(s) for this equation:
4(x+6)^2-8=-4
a)x={-5}
b)x={-5,-7}
c)x={-5,0}
d)x={5,-7}
Click here to see answer by oscargut(891)

Question 146357: Please evalute complex expression with final solution in standard form (a+bi);
(2+3i)/ (-4+3i)
Thank You
Click here to see answer by nerdybill(6961)

Question 146411: Use the Rational Zero Theorem to find a zero.
f(x)=3x^4-11x^3+10x-4
a)x=0
b)x=1
c)x=-5
d)x=-1
Click here to see answer by stanbon(57361)

Question 146529: 5y/14-8=5-2y/7
Click here to see answer by jim_thompson5910(28595)

Question 146490: An isosceles triangle has two sides congruent. If three times the length of the sum of the congruent sides in this triangle is equal to four times the length of the other side, use the table to find the length of the two congruent sides and the length of the third side.
METHOD
1. Let one of the unknowns be a variable _______________________________
2.Write the other unknown in terms of this variable._____________________
3.Express the problem in terms of the variable.__________________________
4.Solve the equation. _________________________________
__________________________________
__________________________________

5. Answer the question
EACH CONGRUENT SIDES _____________
OTHER SIDE ______________

THANK YOU.
Click here to see answer by stanbon(57361)

Question 146573: Help Please?
3x^2x+1=0
x=2+or-1 'Squared'(-2)^+4(3)(1)
______________________
2(3)
THE DIVISION STARTS FROM THE WORD SQUARED
Click here to see answer by jim_thompson5910(28595)

Question 146585: solve by the elimination method
2x=3y=1
4x+6y=2
what is the solution of the system
Click here to see answer by jim_thompson5910(28595)

Question 146584: Solve by the elimination method
3r-2s=-4
2r+3s=32
what is the solution of the system
Click here to see answer by jim_thompson5910(28595)

Question 146583: Find the slope, if it exists
x=-3
Click here to see answer by Alan3354(30993)

Question 146583: Find the slope, if it exists
x=-3
Click here to see answer by jim_thompson5910(28595)

Question 146248: 4/7 (3-2x)- 8/3x + 2
Click here to see answer by Alan3354(30993)

Question 146587: Soybean meal is 16% protein; cornmela is 8% protein. How many pounds of each should be mixed together in order to get 320-lb mixture that is 14% protein?
How many pounds of the cornmeal should be in the mixture?
How many pounds of the soybean should be in the mixture?
Click here to see answer by jim_thompson5910(28595)

Question 146595: amy paid $86.81 for a pair of running shoes during a 15% sale. What was the regular price?
Click here to see answer by jim_thompson5910(28595)

Question 146600: Soybean meal is 18% protein; corn meal is 9% protein. How many pounds of each should be mixed together inorder to get 360-lb mixture that is 14% protein? How many pounds of cornmeal should be in the mixture?
How many pounds of soybean should be in the mixture?
Click here to see answer by Earlsdon(6287)

Question 146610: Solve the systems of equations by graphing. Then classify the systems as consistant or inconsistant and as dependant or independant.
8x-6y=36
6y-8x=-36
Click here to see answer by jim_thompson5910(28595)

Question 146659: Solve
0.7(3x+4) greater than equal to 1.3-(x+2)
Click here to see answer by checkley77(12569)

Question 146658: One canned juice dring 30% orange juice, another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 19% orange juice.
how may liters of the 30% orange juice should be in the mixture?
How many liters of the 10% orange juice should be in the mixture?
Click here to see answer by checkley77(12569)

Question 146657: Hockey teams recieve 2 points when they win and 1 point when they tie. One season, a team won a championship with 48 points. they won 9 more games than they tied.
How many wins and how many ties did the team have?
Click here to see answer by Nate(3500)

Question 146650: Amy paid 84.1 for a pair of running shoes during 35% off sale. What was the regular Price?
Click here to see answer by checkley77(12569)

Question 146656: graph the inequality on a plane
3y-4x>12
Click here to see answer by jim_thompson5910(28595)

Question 146581: Amy paid $86.81 for a pair of running shoes during a 15% off sale. What was the regular price?
Click here to see answer by Alan3354(30993)

Question 146644: Find the shortest distance between the parallel lines with equations 5x-12y+33=0 and 5x-12y-6=0.
a. 3
b. 39
c. 27/5
d. 27/13
e. nota
i love receiveng all the work step by step it really helps me know where to get started and how to continue im sending different types of problems to help me with those sections of math .THANK YOU!
Click here to see answer by Alan3354(30993)

Question 146660: graph and write the solution in interval notation
x<7 and x greater than equal to -4
Click here to see answer by edjones(7569)

Question 146682: The body mass index,I, can be used to determine an individual's risk for heart disease. an index less than 25 indicates a low risk. the body mass index is given by the formula, or model, I=700w/h2, where w=weight in pounds, and H=height,in inches. Jerome is 66 inches tall. What weights will keep his body mass index between 18 and 28.
Jerome's body mass index wil fall between 18 and 28 for th set of all weights such that _
Click here to see answer by stanbon(57361)

Question 146684: Two angles are complimentary. the sum of the measures of the first angle and half the second angle is 69.5 find the measures of the angles
what is the measure of the smaller angle
what is the measure of the other angle
Click here to see answer by stanbon(57361)

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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, 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, 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