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Question 33197: Solve the equation.
http://www.ccaurora.edu/mat090/Tests/test_chapter_8_files/image050.gif
...._____
8)/ 3x + 1 -1=x (that is the sqrt symbol to start the problem)

A) 0, 2

B) 0

C) 2

D) 0, 1
How do I enter this problem to solve it myself?
Click here to see answer by mukhopadhyay(490)

Question 33403: I need major help! (n+1)²-3n Which sequence follows the rule where n equals the number's position in the sequence.

Click here to see answer by AnlytcPhil(958)

Question 33431: This is a word problem - the problem is - if Janice can paint a room in 10 hours and Jim can paint the same room in 8 hours - how long will it take to paint the room if they both work together?
I think the ans should be 4.5 hours but I am not sure how to set up the equation

Click here to see answer by mukhopadhyay(490)

Question 33405This question is from textbook prentice hall mathematics
: find the solution of each equation for x=-3,0,and 2.
the problems are
x-2y=3 and y=-x-1.5
This question is from textbook prentice hall mathematics

Click here to see answer by sarah_adam(201)

Question 32664: A=(a+b)h/2,if A=300,h=5,b=30 would that make the value of a=10?
Click here to see answer by stanbon(26259)

Question 33475: What is the answer to:
1.5 = -1.2n - 0.9
Thank you for your time in helping me.
Annie
Click here to see answer by mszlmb(115)

Question 33517: I need help please with the following equations:
-8 is less than/equal to 4d - 26
15 + 2(5z - 50) <68
5 - 40X <125
9n - 54 > -36
Thank you so much!!

Click here to see answer by ikdeep(182)

Question 33513: Can you please help me with the following equations. I don't know my negative/positives very well and fractions:
2/7b - 9 = 2
3(22V - 1) = 162
-6 (m+2)+ 2) +4 = 36
5 - 40x = 125

Thank you for your time and help on this.
Click here to see answer by sarah_adam(201)

Question 33557This question is from textbook ultimate exam practice

: X2-X-12=0This question is from textbook ultimate exam practice

Click here to see answer by Earlsdon(4898)

Question 31546: i am trying to find out how you would find the super compaonent of a full package of $85000.
I thought you would do:
xy=z
x=unknown
y=.09
z=85000
so what is x? and how do you do it and an algebra formula.
Click here to see answer by venugopalramana(3286)

Question 33707: Solve the equation. Express radicals in simplest form.
5x^2 = 35
Click here to see answer by ntnk(49)

Question 33719: Solve the following equations and word problems using any method (for problems with two unknowns, make sure to use two answers):
1.4x + 7y = 7
6x - 7y = 6
2. 1/5 x + 1/3y = -4
x-y = -6
3. 3x = 4 - 4y
2x - 4y = 5
4. The length of a rectangular swimming pool is 11 feet longer than the width. If the perimeter is 75 feet, then what is the length and width of the rectangle?

Click here to see answer by sarah_adam(201)

Question 33726: Solve the equation abx=cy for each of the following
x
a
c
i know that i have to do something with both sides but ivd tried and tried and i just dont understand...please be very simple
Click here to see answer by Nate(3495)

Question 33796: Five divided by the sum of a number and 1, minus the quotient of 3 and the difference of the number and 1 isequal to six times the reciprocal of the difference of the number squared and 1. What is the number?
Click here to see answer by AnlytcPhil(958)

Question 33816: Please help me to understand how I solve these types of questions, I'am having a lot of trouble with this
Solve for y
3y=ab
bx/y=r
ab=cy
Click here to see answer by ice_water35(8)

Question 33766: Solve the following word problem using any method (if the problem has two unknowns, it should be two answers):
1. Steve has 35 coins consisting of dimes and nickels. If the value of the coins is $3.20, then how many of each type does he have?
Determine the equation of each line (write in slope-intercept form):
1.The line through (0, 6) that is parallel to the line 3x + 5y = 15
2.The line through (8, 0) that is perpendicular to the line x + y = 3
Write equation in slope-intercept form
1. 10 - x - 2y = 0
Click here to see answer by venugopalramana(3286)

Question 33856: How do I solve
x +3y -6z =7
2x -y +z =1
x +2y + 2z =1
Thanks,
Tijuana
Click here to see answer by venugopalramana(3286)

Question 33856: How do I solve
x +3y -6z =7
2x -y +z =1
x +2y + 2z =1
Thanks,
Tijuana
Click here to see answer by AnlytcPhil(958)

Question 33916This question is from textbook
: Please help me to do this equation 15-4x=42-7xThis question is from textbook

Click here to see answer by fanism(39)

Question 34040: -(x+6)+4x=3(x-1)+7
Click here to see answer by xcentaur(357)

Question 34040: -(x+6)+4x=3(x-1)+7
Click here to see answer by ichudov(404)

Question 34039This question is from textbook pre-algebra

: 20.6+2.1x=-8.2xThis question is from textbook pre-algebra

Click here to see answer by ichudov(404)

Question 34062: The problem I have is
7-3(x+3)=-5(x-2)+2x-12
Click here to see answer by fanism(39)

Question 34158This question is from textbook Forgotten Algebra

: I'm trying to solve for b: here's the problem a(x-1)=-x/b
I've tried several times and I can solve for x which is x= ab/ab+1This question is from textbook Forgotten Algebra

Click here to see answer by longjonsilver(2297)

Question 34265: please help solve this
3x=wyz
solve for x, w, and y
please explain so i can try to do others without help, thank you very much
Click here to see answer by kietra(57)

Question 34273: HI - I can't seem to figure this one out:
The current cost of an item is $837, which is a 37% increase over the prior year's cost. What was the prior year's cost? I set up an equation:
(C+(C*37%)=837)
But, can't get the correct answer. By doing a guess and check, i know the answer is $610.95, but can't get there algebraically. HELP! And thanks!
Click here to see answer by fanism(39)

Question 34289: Please can you sole this problem an faster and easier way to figure it out. 2X+2=X+5
Click here to see answer by stanbon(26259)

Question 34144: 35% of wha number is 49
Click here to see answer by stanbon(26259)

Question 34372: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers?
Click here to see answer by lyra(94)

Question 34377: An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
Click here to see answer by Paul(988)

Question 34378: Joe has a collection of nickels and dimes that is worth $5.65. If the number of dimes were doubled and the number of nickels were increased by 8, the value of the coins would be $10.45. How many dimes does he have?
Click here to see answer by Paul(988)

Question 34376: Walt made an extra $9000 last year from a part-time job. He invested part of the money at a 9% annual rate of interest, and the rest at an 8% annual rate of interest. At the end of the year, he made a total of $770 in interest. How much was invested at 8%?
Click here to see answer by checkley71(8405)

Question 34375: On the first day of school, the percentage of boys in a particular class is 60%. During the school year, six girls move away, and are replaced in the class by six boys; this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day of school.
Click here to see answer by checkley71(8405)

Question 34371: In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?
Click here to see answer by checkley71(8405)

Question 34364: if john's present age is 3x years and jane is twice his age, what will be the sum of their ages in 5 years time
Click here to see answer by checkley71(8405)

Question 34370: A shopper buys three oranges and five lemons for $10.26, while a second shopper buys four lemons and six oranges for $11.16. What is the price of each fruit?
Click here to see answer by checkley71(8405)

Question 34374: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of non-food items. If the total bill is $5.15, including $0.18 in tax on the toy ball, what are the prices of the grapefruit and the ball?
Click here to see answer by usyim88hk(157)

Question 34369: A university bookstore recently sold a wirebound graph-paper notebook for $2.50, and a college-ruled notebook for $2.30. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $118.60. How many of each type were sold?
Click here to see answer by usyim88hk(157)

Question 34452: Need some help, please
solve the following equation
2x^2+12x=-10

Click here to see answer by longjonsilver(2297)

Question 34442: can someone please check my answers, and explain if and where i went right, thank you so much..
solve equations for the variable x
4x=y
my answer 4x/4=y/4 x=4/y
xyz=t
my answer xyz/xy=t/xy x=xyz/t
4xz=p
my answer 4xz/4=p/4 x=4xz/p
y=xtz
my answer y/y=xtz/y x=xtz/y
xyz/t
my answer xyz/xy=t/xy x=xyz/t
3.5tpx=r
my answer 3.5/tpx=r/3.5 x=tpx/r
Click here to see answer by venugopalramana(3286)

Question 34373: A bricklayer and an electrician together spend 90 hours working on a new house. If the bricklayer earns $12 per hour, the electrician earns $16 an hour, and the owner pays them a total of $1350 for their work, how many hours does each worker spend on the house?
Click here to see answer by hydromojo(20)

Question 34485: Hello! Thank you for your time. I've been trying to solve this for a week now.
Solve: X=51n(7+3y)for y.

The answer is supposed to be:
x
-
e5-7
____
3
This is the same answer without the Division bars
x
e5-7
3

Click here to see answer by mukhopadhyay(490)

Question 34490: Hello! Thank you for your time. I've been trying to solve this for a week now.
Solve for y.
X=51n(7+3y)for y.

Click here to see answer by Earlsdon(4898)

Question 34530This question is from textbook strategies for problem solving
: Question: in 1054ad the supernova that is now the crab nebula was observed, using the velocity of light which is 186000 miles per second, devise and execute a strategy for finding out when the suernova actually occurred, relative to when it was observed..
i found how far the supernova is from earth, its 6000 light years away and i know that if you subtract 6000 from 1054 then its 4946bc and that is probably the answer but i dont know how to put it all together using d=rt or r=dt, can someone please help me???
the questions im trying to answer are as follows:
what strategy is best for finding a solution d=rt or r=dt?
what additional information, if any, is necessary to solve the problem?
any help is very appreciated :)
please feel free to email me directThis question is from textbook strategies for problem solving

Click here to see answer by josmiceli(3003)

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