Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 32086: what would be me first step to solve this formula 3x6squared-2/6?
Click here to see answer by stanbon(57953)

Question 32108: Is the following a Diophantine equation?
5x + 6y + 27
Click here to see answer by Earlsdon(6294)

Question 31951: how would i write out the expression a=3b squared +2?
Click here to see answer by stanbon(57953)

Question 32248: Write an equation in slope-intercept form for each line described:
containing (2,-9) slope -1
containing (3,-4) slope 0
containing (3,1) and (6,-3)
containing (-2,7) and (-2,3) Please help!!!
Click here to see answer by venugopalramana(3286)

Question 32235: Where should parentheses be placed so that when you evaluate the expression
6*3-5/2*6+5, the answer is -9.5?
Click here to see answer by mukhopadhyay(490)

Question 32285:
9r=3r+6
5s-6=2s
Click here to see answer by mbarugel(146)

Question 32304: There are x teams in a league and each team plays each other team twice, then the total number of games, N, played for the season is: N=x^2-x. If the league played 182 games, how many teams are there?
Click here to see answer by checkley71(8403)

Question 32340: i=sqrt(p/r) if p=500 ,r=25. would that make the answer 20 ?
Click here to see answer by checkley71(8403)

Question 32338: in the formula 3x6squared-2/6 ,do i find the value of 6squared first?
Click here to see answer by stanbon(57953)

Question 32331: in the formula c=sqrt of(2a squared+b squared). a=4 and b=5.my answer was 7.550? is this correct.
Click here to see answer by mukhopadhyay(490)

Question 32501: i am just starting algebra and i kind of want to get ahead of the game i was wondering if you could just show me how to solve it like the work not really the answer. The problem is y=x(squared)+2x+4 and their asking you to find a, b, and c.
Click here to see answer by stanbon(57953)

Question 32518: 15j+10j+8=11
Click here to see answer by ikdeep(226)

Question 32544: (4S - 8) square = 81
Click here to see answer by mukhopadhyay(490)

Question 32542: z^4 -11z^2 +30=0
Click here to see answer by mukhopadhyay(490)

Question 32541: x^2=12 + 5x
Click here to see answer by mukhopadhyay(490)

Question 32540: x^2 -6x+25=0
Click here to see answer by mukhopadhyay(490)

Question 32483: Solve for y
4/9y -5 = 3
3/7y -4= 2

Click here to see answer by mukhopadhyay(490)

Question 32334: which formula can i use to find side w,in the formula p=2l+2w?
Click here to see answer by mukhopadhyay(490)

Question 32543: sqrt x =12-x
Click here to see answer by stanbon(57953)

Question 32600: 4a+3=11
Click here to see answer by mukhopadhyay(490)

Question 32600: 4a+3=11
Click here to see answer by Jeremiah Beard(1)

Question 32617: (7-4i)^2
Click here to see answer by venugopalramana(3286)

Question 32615: (9-2i)(6+5i)
Click here to see answer by venugopalramana(3286)

Question 32658: Samantha is 8 and two-third older than John. The sum of their ages is 23 years. How old is John?
Click here to see answer by mukhopadhyay(490)

Question 32736: Solve: 4/m^2-7=1
cant figure this one out.. math is hard, but fun!
Click here to see answer by mukhopadhyay(490)

Question 32785: Is –5 a solution to the equation 9-8x=49
Click here to see answer by stanbon(57953)

Question 32824: Complete the ordered pairs so that each is a solution for the given equation:
(show your work)

3x + 4y = 12 (0, ), ( ,3/4), ( , 0), (8/3, )
Click here to see answer by stanbon(57953)

Question 32825: Science and medicine. Celsius temperature readings can be converted to Fahrenheit readings using the formula F=9/5C + 32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures:
-10, 0, 15, and 100?
Click here to see answer by sarah_adam(201)

Question 32827: Business and finance. When x number of units are sold, the price of each unit (in dollars) is given by p = -x/2 + 75. Find the unit price when the following quantities are sold: 2, 7, 9, 11.
Click here to see answer by sarah_adam(201)

Question 32842: I am struggling with this word problem:
Business and finance. The revenue for a sandwich shop is directly proportional to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner spending on advertising?
Click here to see answer by sarah_adam(201)

Question 32845: HELP!! I am struggling in solving this equation. I am never sure on the negative numbers on how to figure.
Solve the following equation by first solving for y: 2x - 3y = 12
Click here to see answer by oo70mar(1)

Question 32859: aBusiness and finance. The cost of producing a number of items x is given by C=mx+b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
b) Graph the cost equation.
c) The revenue generated from the sale of items is given by R=50x. Graph the revenue equation on the same set of axes as the cost equation.
d) How many items must be produced for the revenue to equal the cost (the break-even point)?

Click here to see answer by stanbon(57953)

Question 32848: 3X+4=10
Click here to see answer by benni1013(197)

Question 32846: Can anyone help me solve this equation? I always struggle when fractions are involved.
I need to find what the x and y coordinates are.
y = 3/4x + 2
Click here to see answer by benni1013(197)

Question 32847: 3x+4=10
Click here to see answer by mukhopadhyay(490)

Question 32840: Solve the following:
2x + 3y = 6
Click here to see answer by mukhopadhyay(490)

Question 32839: Solve the following:
y = 3/4x + 2
Click here to see answer by mukhopadhyay(490)

Question 32772: Tell whether the given value is the solution of the equation

m/1.4=5,m=7
Click here to see answer by sarah_adam(201)

Question 32734: Isolate for "t": m=16t^2+vt+7
thanks, i cant seem to figure it out... are you supposed to divide it out?
Click here to see answer by venugopalramana(3286)

Question 32500: How does finding a solution to 8=2x-6 help find the coordinates of a point on the line of the equasion y=2x-6?
Click here to see answer by venugopalramana(3286)

Question 32963: the sum of two consecutive oddintegers is 244. what is the smaller integer?
Click here to see answer by checkley71(8403)

Question 32971: how do i solve the eqation
xsquared + 61x -1422=0
cannot remeber what to do if i cannot factor??/
thank you
Click here to see answer by checkley71(8403)

Question 32976: i know conners age but i dont really know how to make this question an equation
Nathan has two brothers, Conner and Josh. If we add 2 to Conner’s age, it is exactly ½ the age of their older brother Josh, who is 12. How old is Conner?

Click here to see answer by ikdeep(226)

Question 33175: 2x-2=6
Click here to see answer by sarah_adam(201)

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