Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 132878: Could someone please help me solce this equation using the multiplication method?

Click here to see answer by elima(1433)

Question 132902: 1.) What will it cost to tile a kitchen floor that is 12 feet wide by 20 feet long if the tile cost $8.91 per square yard?
2.) In a writing competition, the first place winner receives ½ of the prize money. The second runner up receives ¼ of what the winner won. What was the total amount of prize money distributed if the winner receives $6,000?

I have done this problem so many times and keep getting 15.000 the wrong answer please help. thanks
Click here to see answer by oscargut(891)

Question 132978: Hi, I really need some help with this problem. Thank you so very much in advance! Here is the question...
The Diameter of Mars is about 4,000 miles. Find the approximate volume.
Thanks again!
Click here to see answer by jim_thompson5910(28476)

Question 132959: Which best describes the effect on the graph of f(x)=4x+8 if the y-intercept is changed to-3?
Click here to see answer by checkley71(8403)

Question 132958: 1/2N + 11 = 2N please show me the correct steps
Click here to see answer by checkley71(8403)

Question 132958: 1/2N + 11 = 2N please show me the correct steps
Click here to see answer by jim_thompson5910(28476)

Question 132937: Please help me solve this formula for the specified variable:
1/a+1/b=c for b
Click here to see answer by checkley71(8403)

Question 132937: Please help me solve this formula for the specified variable:
1/a+1/b=c for b
Click here to see answer by vleith(2825)

Question 132901: How many cubed pieces of fudge that are 3 inches on an edge can be packed into a Christmas tin that is 9 inches deep by 12 inches wide by 8 inches high with the lid still being able to be closed?
On a Map, 1 inch represents 20 miles. The distance between 2 towns is 6 1/5 inches. How many miles are actually between the two towns.
These two problems are really kicking my butt, please help your my last resort, please anyone.
Click here to see answer by Fombitz(13828)

Question 133051: I am having problems solving these types of questions could someone please show me how to solve this.
Solve each forula for the given variable.

Click here to see answer by nycsharkman(136)

Question 132881: Please help me solve this equation:
y+1/y+6-y/y^2-36=y-3/y-6
Click here to see answer by nycsharkman(136)

Question 133215: Two cans of soda and an order of fries cost $2.60. One can of soda and two orders of fries cost $2.80. What is the cost of a can of soda and of an order of fries?
Click here to see answer by stanbon(57226)

Question 133390: From 1990 to 2000, the population of Texas increased from 16,985 to 20,851,820. If the growth rate remained same, what would be the population of Texas in 2030?
Click here to see answer by checkley71(8403)

Question 133554: 7/25= 28/100
fill in the blank fill this problem
Click here to see answer by checkley71(8403)

Question 133595: How do you solve this formula w=p(v2-v1) solve for v1
Click here to see answer by jim_thompson5910(28476)

Question 133594: 1. I think of two consecutive odd numbers. 5 times the smaller plus 3 timesthe larger is 62. find the two numbers.
2. Two numbers differ by 5. Seven times the smaller plus 4 times the larger is 108. find the numbers.
3. Find three consecutive odd numbers that have a sum of 57.
4. I write down 3 consecutive even numbers. 6 times the smallest plus 2 times the largest equals seven times the middle number. Find the three numbers.
5. When soe cards are dealt to six people, each receives three more than when the same cards are dealt to eight people. how many cards are there?
6. John is 'x' years old. his sister mary is 3 year older than john is.
a)write an expression for the sum of their ages
b)the diferrence between their ages. if 4 times the sum of their ages didvided by 20 is equal to difference between their ages, find both jons and mary's ages.
These six example questions that im having problem with i hope you could exlplain every single one for me thans in advance..
Click here to see answer by checkley71(8403)

Question 133590:
Refrigerator A costs $600 and costs $35 a year to operate.
Refrigerator B costs $800 and costs $40 a year to operate.
how many years are the total costs of the 2 regrigerators the same?

Click here to see answer by checkley71(8403)

Question 133652: can you please explain this step by step?
3k+5=11
Click here to see answer by jim_thompson5910(28476)

Question 133689: Solve for the indicated variable:
3x +4y=-2 FOR y
y = mx + b FOR m
Click here to see answer by jim_thompson5910(28476)

Question 133686: How many lbs of Brazilian coffee costing $6.00 per lb must be mixed with how many lbs of columbian coffee costing $4.00 per lb to produce 36 lbs of a mixture costing $4.50 per lb?
Click here to see answer by stanbon(57226)

Question 133687: Solve for the indicated variable:
3x +4y=-2 FOR y
y = mx + b FOR m
Click here to see answer by edjones(7569)

Question 133685: The length of a rectangle is 5 ft more than the width. If the perimeter must be at least 38ft but no more than 62 ft, find the possible values for the width.
Click here to see answer by edjones(7569)

Question 133719: check whether the givenx- value is a solution of the question
x-5=8; x=169
Click here to see answer by edjones(7569)

Question 133865: what is 8-x =2x-1
Click here to see answer by snwbrdfrk(10)

Question 133823: the area of a garden is 120 square feet. the length of the garden is 1 foot less then twice the width. what are the dimensions of the garden?
Click here to see answer by checkley71(8403)

Question 133902: Find the value of x in the equation 5x+20=4x+30
Click here to see answer by jim_thompson5910(28476)

Question 133923: Hi i'm not sure if this problem is an equation :

Carol is re-finishing her kitchen floor. The dimensions of her kitchen floor are shown below.
(go onto http://www.mdk12.org/assessments/k_8/sample_grade8_math.html to see the scale) (please)(problem number 6)

What is the area, in square feet, of Carol's kitchen floor? Round your answer to the nearest whole number. Use = 3.14.
a.89 square feet
b.326 square feet
c.349 square feet
d.350 square feet

Click here to see answer by solver91311(16868)

Question 133959: (a) 2(2x + 1)
(b) 4(3x-5)
(c) (7a +2)3
(d) 3m(2-n)
(e) 4m (3+5n)
Click here to see answer by checkley71(8403)

Question 133956: 2(5a+6b-3)
Click here to see answer by checkley71(8403)

Question 133956: 2(5a+6b-3)
Click here to see answer by nycsharkman(136)

Question 134017: Need help, got a test on Tuesday could you please show me how to work this problem.
y=mx+b;find m when x=-2, y=1, and b=5

I really appreciate any help you could give me
Click here to see answer by vleith(2825)

Question 134019: Solve the equation:
t+7=-3
Click here to see answer by checkley71(8403)

Question 134019: Solve the equation:
t+7=-3
Click here to see answer by vleith(2825)

Question 133964: Suppose that your math teacher was born on feburary 29, 1944. How many bdays has he had? EXPLAIN
Click here to see answer by vleith(2825)

Question 133867: Hi, I am helping my grandson with his homwork and I have no idea how to do algebra.
Equation: x% = 2x + 1 divided by 300
I would appreciate any help you could give me. Thanks
Click here to see answer by scott8148(6628)

Question 134057: The difference between six times a numbeer and 9 is equal to five times the sum of the number and 2. Find the number.
Click here to see answer by vleith(2825)

Question 134211: FIND THE LCM (5+2P), (25-4P 2SQUARED), AND (5-2P)
I AM HAVING TROUBLE FINDING THE LCM FOR THIS QUESTION. CAN YOU PLEASE WALK ME THROUGH THE STEPS TO SOLVE.
THANKS,
JESSICA B.
Click here to see answer by ptaylor(2048)

Question 134349: -22+x=50
Click here to see answer by jim_thompson5910(28476)

Question 134348: 3+u=-21
Click here to see answer by jim_thompson5910(28476)

Question 134255: x-4=3/4(x-8) change to standard from
Click here to see answer by Juhi(44)

Question 134027: can you help to determine the value of X
-9 (6+X) -2X = -10
Click here to see answer by Juhi(44)

Question 134390: Please help me solve this equation: -8(4-2)-3/-2.
Here is what I have so far:
-8(2)-3/-2
-16-3/-2
Please help.
Click here to see answer by MathLover1(6618)

Question 134436: y=3/4x+1/2
Click here to see answer by checkley71(8403)

Question 134433: Hi. I have taken a certification test this past weekend and want to know if I got the answer to the problem below correct or not. Thanks!
(3+1)
______
(6+4)^2
Click here to see answer by checkley71(8403)

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