Questions on Algebra: Equations answered by real tutors!

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Question 89553: Solve the equation: 30x^2+24e+16=0
It's a summer assignment & I need to have my mind refreshed!! Thank you for your help. You don't know how much I appreciate it.

Click here to see answer by checkley75(3666)

Question 89601: This is a word problem - HELP oh please HELP
Your company needs to make both long and short range missiles. Production cannot make more than 50 missiles and no more than 30 long range. Your company spends $60,000 to make a short range missile and $90,000 to make a long range missile and how no more than 3.6 million to spend. Find the max profit the company can make if they receive $400,000 for each short range and $850,000 for each long range. How many long range missiles can they make?
Need the following:
Constraints
objetive function
graph and solution
Oh help please - this is so very hard to understand - thank you thank you

Click here to see answer by stanbon(75887)

Question 89723: The sum of a numer and its reciprocal is 5/2
and solve
Click here to see answer by checkley75(3666)

Question 89812: 3x+4y=2
x-y=1
Click here to see answer by tutorcecilia(2152)

Question 89811: 3x+4y=2
x-y=1
Click here to see answer by checkley75(3666)

Question 89901: How would I solve this problem :ex finding x and r
7x+10=3r+50
Click here to see answer by stanbon(75887)

Question 90006: A train travels 20 mi/hr faster than a car. If the train covers 160 miles in the same time the car covers 80 miles, what is the speed of each of them?
Click here to see answer by padejr(3)

Question 90007: Solve the system of linear equations using addition/subtraction method.
2x+y=3
x-2y=-1
Click here to see answer by padejr(3)

Question 90012: Solve the system of linear equations using substitution method:
2x+3y=5
2x+y=3
Click here to see answer by jim_thompson5910(35256)

Question 90004: Graph the solution to : 2x+3y<6
Click here to see answer by jim_thompson5910(35256)

Question 90009: Solve the equation:
5/x-3=4/2x-7
Click here to see answer by stanbon(75887)

Question 90003: Suppose one painter can paint the entire house in twelve hours, and the second painter takes eight hours. How long would it take the two painters together to paint the house?
Click here to see answer by stanbon(75887)

Question 90127: Given P(x)=2x^2+13x+11 and Q(x)=2x^2+10x+8 Find P(x)+Q(x)
Click here to see answer by kamallohia(18)

Question 90137: The solution to the system of equations x+3y=12 4x-y=-17 is
Click here to see answer by jim_thompson5910(35256)

Question 90238: 16. 4K - 10 - K
For the given expression:
I have to identify the terms,like terms,coefficients,and constant terms.
Then simplify the equation.
ANY help with this question would be greatly appreciated:)
Click here to see answer by jim_thompson5910(35256)

Question 90211: 12t^2 + 5t-2=0
Click here to see answer by checkley75(3666)

Question 90124: A 6-cylinder car is driven 37,500 miles in 3 years. At that rate, in how many years will the car have 100,000 miles on it?
Click here to see answer by checkley75(3666)

Question 90243: What is 10 + 4 (m + 2) simplified?
Click here to see answer by jim_thompson5910(35256)

Question 90239: 17. -12 - w + 20
For the given expression:
I have to identify the terms,like terms,coefficients,and constant terms.
Then simplify the equation.
Help with this question would be greatly appreciated:)
Click here to see answer by jim_thompson5910(35256)

Question 90244: What is -3 (2y - 9) + y simplified?
Click here to see answer by jim_thompson5910(35256)

Question 90396: Solve: 30x^2+11x-30=0
I'm lost!! Can you help me? Thank you!
Click here to see answer by stanbon(75887)

Question 90395: Solve each linear equation. Show your work and check your answer.
Question #1 v-4(4-v) = -2 (2v-1)
Click here to see answer by stanbon(75887)

Question 90393: Evaluate: (8.3 x 10^-5)(2 x 10^12)
I tried it, but it just didn't seem right.
Thanks for the time!
Click here to see answer by stanbon(75887)

Question 90394: Problem #1 7r/12=-14
Problem #2 1/3 s + 7/9 = 4/3 s
Use the appropriate property os eqaulity to solve each problem.
Click here to see answer by stanbon(75887)

Question 90383: P and Q vary inversely. If P is 16.4 when Q is 123, find an equation relating P and Q.
Idon't know what inversely means, so I'm kind of stuck right at the beginning. Thank you for your time.
Click here to see answer by kev82(151)

Question 90399: X=2/3x+6
Click here to see answer by checkley75(3666)

Question 90404: Wendy took a trip to Davenport to Omaha, a distance of 300 mi. She traveled part of the way by bus, which arrived at the train station just in time to complete her journey by train. The bus average 40 mi/hand the train 60 mi/h. the entire trip took 51/2 h. How long did Wendy spend on the train?
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 90460: 1/2 q - 6 = 1/5 q
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 90535: multiply (2x-3)(3x+2), i used the foil method
First times first 2x times 3x, outside times outside 2x + 2, inside times inside -3 times 3x, then last times last -3 times +2
answer 6xsquared minus 4x minus 6
Click here to see answer by jim_thompson5910(35256)

Question 90370: I am lost on solving these problems and I need some help
Solve each of the equations. be sure to check the solutions:
square 4x+1 +3 =0
and
square2y+7 + 4=y
thank you
Click here to see answer by vertciel(183)

Question 90563: The question I have for homework and I am stuck is:
Solve the following system of equations:
5X + 8Y =1 and 3X - Y = -8
Does anyone have the solution?
Thanks much!!!!
Click here to see answer by checkley75(3666)

Question 90561: Please solve we are working with graphing and equations:
The question to solve please:
1.5X - 2Y=0
3X - 4Y=7
I am assuming the teacher is asking for the value of x and y. Does this make sense?
Please help.
Thank you....;)

Click here to see answer by checkley75(3666)

Question 90713: Subtract. Write your answer in simplest form.
(y-2/y+3) minus (y/2y+6)

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Question 90689: 1 + 2/3 divided by 2 + 1/2
Click here to see answer by checkley75(3666)

Question 90717: One number is 5 times another. If the sum of their reciprocals is , find the two numbers. Define the variables you use, and remember to check your solutions.
Click here to see answer by checkley75(3666)

Question 90729: Define a variable,write an equation and solve the problem: Find two consecutive odd integers whose sum is 116. I know the answer is 57 and 59 but am having trouble with writing the equation. I have so far (x-2)+x=116 and have solved for x and I get 59. I just need to know how to include a variable to show the other integer being 57. Thanks.
Click here to see answer by bucky(2189)

Question 90786:
Click here to see answer by stanbon(75887)

Question 90786:
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 90753: Good Evening,
I am suppose to rewrite the equation as a function of x. The question is
-3x+4y=11
I have gotten f(x)= -3/4x + 11/4 but this does not seem correct could someone please help me with this problem?
Thank you for your help.
Click here to see answer by stanbon(75887)

Question 90801: Please help me solve this problem that I am having trouble with:
2/5x=-10x
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 90805: Please help me solve this problem.
x+2y=8
Solve for y.
Click here to see answer by praseenakos@yahoo.com(507)

Question 90805: Please help me solve this problem.
x+2y=8
Solve for y.
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 90822: Hi,
My brother is 13, and just want to query this question.
9y - 3y = 6y.
Is this correct? or does it subtract the y aswell meaning the answer would be:
9y - 3y = 6.
Thanks!!
Click here to see answer by madhujiithcharu@yahoo.co.in(28)

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39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580