Questions on Algebra: Linear Algebra (NOT Linear Equations) answered by real tutors!

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Question 896190: Steve and tom sold 94 raffle tickets for their school. Steve sold 16 more than twice as many raffle tickets as tom. How many raffle tickets did each boy sell? How many raffle tickets did Tom sell?
Click here to see answer by richwmiller(17219)

Question 896258: If and are roots of an equation,form the equation?
Click here to see answer by jim_thompson5910(35256)

Question 896400: Solve using substitution method
9x-3y=6
3x-2=y
show all work
Click here to see answer by Alan3354(69443)

Question 896401: Solve using substitution method
2x+7y=26
x=34-7y
show all work
Click here to see answer by Alan3354(69443)

Question 896405: solve the following system using the substitution method. show all work.
2x+4y= -3
2x-2 = y
Click here to see answer by Alan3354(69443)

Question 896404: solve the following system graphically. write the answer as an ordered pair or solution set. if it can,t be solved state so. show all work.
3x-y=9
9x-3y=9
Click here to see answer by harpazo(655)

Question 896428: How do I determine the polynomial function of least degree whose graph passes through the given points (−1, 2), (0, 0), (1, 1), (4, 58), p(x)=?
Thank you!!!
Click here to see answer by josgarithmetic(39615)

Question 896837: The amount of paper needed to cover a box top in the shape of a trapezoid is 198cm squared.if the height of the box top is 18cm and the length of one of the bases is 10cm,find the length of the other base.
Click here to see answer by Theo(13342)

Question 897141: m=1/7, p(-1,4)
instructions are to find point-slope form and the slope intercept form with the given slope which passes through the given point
Click here to see answer by Theo(13342)

Question 897545: find the slope intercept form of the line which passes the given points
p(4,-8), q(5,-8)
Click here to see answer by lwsshak3(11628)

Question 897654: How do you solve 5-7(P+1)=10P=3
Click here to see answer by jim_thompson5910(35256)

Question 897740: Determine if the set of all tripled of real numbers of the form (o,y,z) where y=z with standard operations on R3 is a vector space.
Click here to see answer by Fombitz(32388)

Question 898155: Hi, this is my math problem
Determine the f(x) = mx + b, given the slope and y-intercept of the linear function.
x-intercept -4, y-intercept -8

Thankyou so much.
Click here to see answer by stanbon(75887)

Question 898166: Hi, this is my problem, thanks for helping me.
Determine the f(x) = mx + b, given the slope and y-intercept of the linear function
slope 3, y-intercept 2
Click here to see answer by ewatrrr(24785)

Question 898263: 9x-2(4x+5)=2x-(4-x)-12
Click here to see answer by ewatrrr(24785)

Question 898668: Determine the gradients of the lines that pass through the following points: (1;-3) (3;1)
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Question 898832: Sum of 2 #'s is = 12 and the diff of same #'s is -4
Click here to see answer by Fombitz(32388)

Question 899755: The Seahawks left Seattle heading south at 260 km/hr. At the same time, the Broncos left Denver headed north traveling at 210 km/hr. After 3.85 hours both teams landed at the airport to Vegas at the same time, how far apart are Seattle and Denver?
Click here to see answer by lwsshak3(11628)

Question 899997: Find the equation of the line passing through the point (1,-2) and the mid point of the line segment with end points (-5,-2) and (3,6).
Click here to see answer by ewatrrr(24785)

Question 900839: Hello,
I am working on this problem and I need help with it.
Which of the following is the point and slope of the equation y + 7 = �(x + 1)?
a.(-7,-1),1/2
b.(-1,-7),1/2
c.(1,7),1/2-i got this answer
d.(-1,-7),-1/2

i got C because i put x=1 and y=7 so i put that in the parentheses together and that how i got my answer.not sure if i did it right
Click here to see answer by ewatrrr(24785)

Question 900846: Hello,
I am working on this problem ..
Which of the following is the midpoint between (1, 1) (7, 5)?
a.(3,3)
b.(3,4)
c.(3,2)
d.(4,3)

I got D because x + 7y = 4 and tha how i got the 3
Click here to see answer by josgarithmetic(39615)

Question 901010: solve system by graphing or using a table
Y=x-2
Y=-2x+7
Click here to see answer by rothauserc(4718)

Question 901413: Write an equation for the horizontal translation of f(x)=xsquared
3.7 units right
We have no idea where to start to answer this question.
Click here to see answer by rothauserc(4718)

Question 901628: Two cars leave town traveling in opposite directions.one travels at 80 km\h and the other at the 96km\h.in how many hours will they be 528km apart? I'm really bad at math but someone please help I've gotten this far in this system of two equation ...
problem* a) let x=80km\h
. y=96 ???? I dont even know so confused please help c:

Click here to see answer by josgarithmetic(39615)

Question 901629: At a club play , 117 tickets were sold Adults~ tickets cost $1.25,and children~s tickets cost $0.75.in all,$129.75 was taken in.How many of each kind of tickets were sold ? Help please its a using a system of two equation I dont understand please help ...
Click here to see answer by lwsshak3(11628)

Question 901630: System of two equations
Paula is 12 yrs older than her brother bob. Four yrs from now bob will be two thirds as old as Paula. How old are they ? Help plz :\
Click here to see answer by lwsshak3(11628)

Question 901633: Using a system of two equation
The perimeter of a lot is 190 m.the width is one fourth the length. Find the dimensions.help cxplease
Click here to see answer by josgarithmetic(39615)

Question 901639: Using a system of two equations
Two cars leave town traveling in opposite directions.one travels at 80 km\h and the other at 96km\h. In how many hrs will they be 528km apart. Please help sorry it's late In just not getting any of this xc
Click here to see answer by josgarithmetic(39615)

Question 901895: tickets for your schools play is $3 for students and $5 for non students. on opening night 937 tickets were sold and $3943 is collected. how many tickets were sold to students and non students
Click here to see answer by richwmiller(17219)

Question 902010: y=-x & y=x+5 & y=x-2
Click here to see answer by Fombitz(32388)

Question 902916: From 2001 to 2008, approximately 66 people, or 80.5% of the people killed in deer-vehicle collisions, were driving motorcycles. How many people in all were killed as the result of a deer collision during this time period?
Click here to see answer by josmiceli(19441)

Question 902919: Please help me solve this equation: According to WebMD, snacks account for approximately 1/4 of a child's daily calories. If a child consumes 500 calories from snacks, what is the daily calorie consumption?
Click here to see answer by ewatrrr(24785)

Question 902915: Please help me solve this word problem: The number of people hurt (injured and killed) in deer-vehicle collisions in 2008 was 33 less than double the number of people hurt in such collisions in 1978. If the total number of people hurt in both these years was 819, how many were each in each year?
Click here to see answer by ewatrrr(24785)

Question 903216: Determine the equation of the line, in standard form, that will get your spacecraft from the Launch Area to Point A. Launch Area: (1,2), Point A: (0, 3)
Click here to see answer by stanbon(75887)

Question 903219: Determine the equation of the line, in slope-intercept form, that will get your spacecraft from Point B to Point C. Point B: (-3, 0), Point C: (-1, -4)
Click here to see answer by thesvw(77)

Question 903217: 1) Determine the equation of the line, in point-slope form, that will get your spacecraft from Point A to Point B. Point A: (0,3), Point B: (-3, 0)
Click here to see answer by thesvw(77)

Question 903387: A man left A at 6:00 am expecting to reach B at 9:00 am. But after walking one hour, he was delayed for half an hour and so he had to increase his rate by 1 mile per hour to reach B at 9:00 am. Find his speed before the delay and the distance between A and B.
Click here to see answer by josgarithmetic(39615)

Question 903384: A crew rows 4 miles downstream and 2 miles upstream in one hour. Then it rows 6 miles downstream and 5 miles upstream in 2 hours. Find the rate of the stream and that of the crew in still water
Click here to see answer by mananth(16946)

Question 903416: .) A train, after travelling for 3 hours
Click here to see answer by richwmiller(17219)

Question 903385: Two travelers, A and B, 165 kilometers apart, traveled toward each other. A started at 5:30 a.m. while B started half an hour later. They met on the road at 9:00.a.m. Had B started half an hour earlier than A, they would have met at 8:36 a.m. Find the speed of each other.
Click here to see answer by richwmiller(17219)

Question 903383: A train, after travelling for 3 hours, was detained 40 minutes. Then it proceeded at 6/5 its former rate and arrived 10 minutes late. If the delay had occurred at a point 15 kilometers farther from its destination, the train would have been only 5 minutes late. Find the rate of the train and the total distance traveled.
Click here to see answer by ankor@dixie-net.com(22740)

Question 903591: Which is smaller, A = (2015)(2014)(2013)(2012)(2011) or 20135?
Click here to see answer by richard1234(7193)

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